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Peterbilt 379 Parts

At 4 State Trucks, you’ll find everything you need to keep your iconic 379 model running strong and looking sharp. From bumpers and exhausts to fuel tanks, fenders, and chrome trim, we’ve got Peterbilt accessories and parts designed to fit your specific model year (87’ – 07’). Whether it’s a full-body restoration, a small component replacement, or a custom upgrade, our lineup has what you need.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • FREE SHIPPING OVER $249
    BESTfit Rolling Lobe Air Spring 18.9 X 12.6 Inch Max For Peterbilt Flex Air Suspension Replaces W01-358-8813

    BESTfit Rolling Lobe Air Spring 18.9 X 12.6 Inch Max For Peterbilt Flex Air Suspension Replaces W01-358-8813

    BESTFIT TRUCK PARTS

    $206.99
    Rolling Lobe Air Spring 18.9 X 12.6 Inch Max By BESTfit Replaces W01-358-8813 Fits Peterbilt Flex Air SuspensionThe BESTfit Air Spring is engineered to replace worn or damaged air springs on...
    01-051014K01
    SKU:
    01-051014K01
    Product Type:
    Frame & Chassis
    Height Options:
    18 Inch
    Style Options:
    Rolling Lobe
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Diameter Options:
    12 Inch
    Rating:
    100 PSI
    Make:
    Peterbilt
    $206.99
    Qty in Cart: 0
    Price:
    $206.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Torque Arm Bushing Replaces 44694, 4694-000L, 1693060C1, 350330088, 35033201 & 8079894 For Peterbilt

    BESTfit Torque Arm Bushing Replaces 44694, 4694-000L, 1693060C1, 350330088, 35033201 & 8079894 For Peterbilt

    BESTFIT TRUCK PARTS

    $136.99
    BESTfit Torque Arm Bushing Fits PeterbiltThe BESTfit Torque Arm Bushing is an ideal replacement part for Peterbilt trucks needing torque rod bushing maintenance. Compatible with multiple OEM numbers...
    01-051012K01
    SKU:
    01-051012K01
    Product Type:
    Frame & Chassis
    Length Options:
    14 Inch
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $136.99
    Qty in Cart: 0
    Price:
    $136.99
    Subtotal:
  • BESTfit Wear Pad Assembly With 5/8 Inch Mounting, Replaces E-7862, E7862 For Peterbilt W/ Air Trac Suspension Hangers

    BESTfit Wear Pad Assembly With 5/8 Inch Mounting, Replaces E-7862, E7862 For Peterbilt W/ Air Trac Suspension Hangers

    BESTFIT TRUCK PARTS

    $104.99
    Wear Pad Assembly With 5/8 Inch Mounting By BESTfit Replaces E-7862, E7862 Fits Peterbilt W/ Air Trac Suspension HangersThis Wear Pad Assembly is designed for Peterbilt Air Trac Suspension Hangers...
    01-051013
    SKU:
    01-051013
    Product Type:
    Frame & Chassis
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Position:
    Kit Full
    Location:
    Made In USA
    Ready To Ship:
    Yes
    $104.99
    Qty in Cart: 0
    Price:
    $104.99
    Subtotal:
  • Iowa Customs Black Powder Coated Steel Grease Guard For Peterbilt Front Side 1st Drive Axle

    Iowa Customs Black Powder Coated Steel Grease Guard For Peterbilt Front Side 1st Drive Axle

    IOWA CUSTOMS

    $294.99
    Grease Guard Black Powder Coated Steel By Iowa Customs Fits Peterbilt Front Side 1st Drive AxleKeep your drivetrain running smoothly and extend the life of your components with this high-quality...
    01-051006
    SKU:
    01-051006
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Material Options:
    Steel
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    Location:
    Made In USA
    Finish Options:
    Black Powder Coat
    $294.99
    Qty in Cart: 0
    Price:
    $294.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 22.875 Inch Forged Torque Rod For Peterbilt Air Trac & Air Leaf

    BESTfit 22.875 Inch Forged Torque Rod For Peterbilt Air Trac & Air Leaf

    BESTFIT TRUCK PARTS

    $174.99
    BESTfit Forged Torque Rod Fits PeterbiltThe BESTfit 22.875" Forged Torque Rod is a direct-fit aftermarket replacement designed specifically for Peterbilt Air Trac and Air Leaf suspension setups...
    01-051014
    SKU:
    01-051014
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Length Options:
    22 Inch
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $174.99
    Qty in Cart: 0
    Price:
    $174.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Rolling Lobe Air Bag 13.5 Inch W/ 9 Inch Top Plate & 10.28 Inch Bottom Plate For Peterbilt W/ Low Air Leaf Suspension Replaces 03-06213, 03-07111, W01-358-9026

    Rolling Lobe Air Bag 13.5 Inch W/ 9 Inch Top Plate & 10.28 Inch Bottom Plate For Peterbilt W/ Low Air Leaf Suspension Replaces 03-06213, 03-07111, W01-358-9026

    AUTOMANN USA

    $166.99
    13.5 Inch Rolling Lobe Air Bag W/ 9 Inch Top Plate & 10.28 Inch Bottom Plate Replaces 03-06213, 03-07111, W01-358-9026 Fits Peterbilt W/ Low Air Leaf SuspensionEnsure smooth, reliable ride...
    01-05100911
    SKU:
    01-05100911
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Material Options:
    Rubber
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    Diameter Options:
    12 1/2 Inch
    Style Options:
    Rolling Lobe
    Rating:
    7000 LBS
    Height Options:
    13 1/2 Inch
    Location:
    Made In USA
    $166.99
    Qty in Cart: 0
    Price:
    $166.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Torque Rod Bushing Replaces 44694, 4694-000L, 1693060C1, 350330088, 35033201 & 8079894 For Peterbilt

    BESTfit Torque Rod Bushing Replaces 44694, 4694-000L, 1693060C1, 350330088, 35033201 & 8079894 For Peterbilt

    BESTFIT TRUCK PARTS

    $48.58
    BESTfit Torque Rod Bushing Fits Peterbilt Air Leaf & Air Trac SuspensionsReplace worn or damaged torque rod bushings with this BESTfit model, compatible with a wide range of Peterbilt suspensions...
    01-0510014K01
    SKU:
    01-0510014K01
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Peterbilt
    $48.58
    Qty in Cart: 0
    Price:
    $48.58
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Leveling Valve W/ 1/8 NPT & 1/4 Inch Fittings For Peterbilt Replaces 10464, 121288B

    BESTfit Leveling Valve W/ 1/8 NPT & 1/4 Inch Fittings For Peterbilt Replaces 10464, 121288B

    BESTFIT TRUCK PARTS

    $84.99
    Leveling Valve W/ 1/8 NPT & 1/4 Inch Fittings By BESTfit Replaces 10464, 121288B Fits PeterbiltReplace your worn or faulty leveling valve with this reliable BESTfit Neway Replacement, compatible with...
    01-051001K01
    SKU:
    01-051001K01
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Peterbilt
    Position:
    Kit Full
    Ready To Ship:
    Yes
    $84.99
    Qty in Cart: 0
    Price:
    $84.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Torque Rod Bushing Replaces 47961, 47691000, 47691000L, A1611944800, E5275 & 321-223 For Peterbilt

    BESTfit Torque Rod Bushing Replaces 47961, 47691000, 47691000L, A1611944800, E5275 & 321-223 For Peterbilt

    BESTFIT TRUCK PARTS

    $40.58
    BESTfit Torque Rod Bushing Fits Peterbilt Flex Air SuspensionsRestore your truck's suspension performance with the BESTfit Torque Rod Bushing, a high-quality replacement for OEM part numbers 47961,...
    01-0510013K01
    SKU:
    01-0510013K01
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Length Options:
    4 Inch
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $40.58
    Qty in Cart: 0
    Price:
    $40.58
    Subtotal:
  • Spring Poly Bushing Kit For Peterbilt 379

    Spring Poly Bushing Kit For Peterbilt 379

    AFTERMARKET

    $123.99
    Spring Bushing Kit Fits Peterbilt Airleaf ModelsThe Spring Poly Bushing Kit offers a durable and reliable solution for replacing worn-out spring bushings on heavy-duty trucks. Made from high-quality...
    01-051000003
    SKU:
    01-051000003
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Material Options:
    Plastic/Poly
    Length Options:
    9 Inch
    Width Options:
    4 Inch
    Make:
    Peterbilt
    Position:
    Kit Full
    Ready To Ship:
    Yes
    $123.99
    Qty in Cart: 0
    Price:
    $123.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Turnpike Truck Trim Air Bag Top Trim Stainless Steel For Peterbilt

    Turnpike Truck Trim Air Bag Top Trim Stainless Steel For Peterbilt

    TURNPIKE TRUCK TRIM

    $22.35
    Air Bag Top Trim Fits PeterbiltProtect and beautify your Peterbilt's air suspension with this stainless steel Air Bag Top Trim. It covers the exposed top of your air bag to prevent premature wear...
    01-051002
    SKU:
    01-051002
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $22.35
    Qty in Cart: 0
    Price:
    $22.35
    Subtotal:
  • FREE SHIPPING OVER $249
    Spring Poly Bushing Kit W/ Lock Nut & Spring Bolt, Replaces R307840, CQ70782B, 03AL2 03-AL2 For Peterbilt

    Spring Poly Bushing Kit W/ Lock Nut & Spring Bolt, Replaces R307840, CQ70782B, 03AL2 03-AL2 For Peterbilt

    AFTERMARKET

    $97.99
    Spring Poly Bushing Kit W/ Compression Washer, Sleeve Spring Eye & Eye Washer Poly Replaces R307840, CQ70782B Fits PeterbiltThe Spring Poly Bushing Kit is engineered to provide durable and reliable...
    01-05100010
    SKU:
    01-05100010
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Material Options:
    Plastic/Poly
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $97.99
    Qty in Cart: 0
    Price:
    $97.99
    Subtotal:
  • 19.25 Inch Forged Torque Rod For Peterbilt With 4 Spring Tandem Older Style Glide Ride

    19.25 Inch Forged Torque Rod For Peterbilt With 4 Spring Tandem Older Style Glide Ride

    AFTERMARKET

    $135.99
    Fixed Rod Rebushable Torque Rod With 1.25 Inch Shaft - Replaces 03-01764, 03-01781, 03-04839, 1AAA53The 19.25 Inch Forged Torque Rod is a heavy-duty suspension component designed to provide superior...
    01-051000002
    SKU:
    01-051000002
    Truck Class:
    Heavy Duty
    Length Options:
    19 Inch
    Product Type:
    Frame & Chassis
    Make:
    Peterbilt
    $135.99
    Qty in Cart: 0
    Price:
    $135.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 6.25 Inch Aluminum Rear Steer Spring Hanger For 4 Inch Spring Replaces 02-02311M001 For Peterbilt 379

    BESTfit 6.25 Inch Aluminum Rear Steer Spring Hanger For 4 Inch Spring Replaces 02-02311M001 For Peterbilt 379

    BESTFIT TRUCK PARTS

    $177.99
    BESTfit Spring Hanger For 4 Inch Spring Fits Peterbilt 379The BestFit 6.25 Inch Aluminum Rear Steer Spring Hanger is a premium replacement part designed for 4-inch springs, offering superior strength...
    01-050971K01
    SKU:
    01-050971K01
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $177.99
    Qty in Cart: 0
    Price:
    $177.99
    Subtotal:
  • Stainless Logo Trim For Peterbilt Air Leaf Hanger

    Stainless Logo Trim For Peterbilt Air Leaf Hanger

    ROADWORKS

    $41.54
    Stainless Logo Trim For Peterbilt Air Leaf HangerUpgrade your Peterbilt truck's suspension appearance with this Stainless Logo Trim designed specifically for the Air Leaf Hanger. Made from premium...
    01-051001
    SKU:
    01-051001
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    Location:
    Made In USA
    Make:
    Peterbilt
    $41.54
    Qty in Cart: 0
    Price:
    $41.54
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit U-Bolt Kit 10.25 Inch W/ U Bolts, Washers & Grade 8 Deep Nuts For Peterbilt Replaces 15983092, 15983095

    BESTfit U-Bolt Kit 10.25 Inch W/ U Bolts, Washers & Grade 8 Deep Nuts For Peterbilt Replaces 15983092, 15983095

    BESTFIT TRUCK PARTS

    $41.76
    U-Bolt Kit 10.25 Inch W/ U Bolts, Washers & Grade 8 Deep Nuts By BESTfit Replaces 15983092, 15983095 Fits PeterbiltThe BestFit U-Bolt Kit, measuring 3/4 x 4 x 10.25 inches, provides the strength and...
    01-050966K01
    SKU:
    01-050966K01
    Diameter Options:
    3/4 Inch
    Width Options:
    4 Inch
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Length Options:
    10 Inch
    Make:
    Peterbilt
    Position:
    Kit Full
    $41.76
    Qty in Cart: 0
    Price:
    $41.76
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 7.5 Inch Silent Block W/ 1.063 Inch ID & 1.75 Inch OD For Peterbilt

    BESTfit 7.5 Inch Silent Block W/ 1.063 Inch ID & 1.75 Inch OD For Peterbilt

    BESTFIT TRUCK PARTS

    $43.90
    Silent Block 7.5 Inch W/ 1.063 Inch ID & 1.75 Inch OD By BESTfit Fits PeterbiltDesigned to fit M1813 hangers perfectly, the BestFit 1.75 OD x 7.5 Inch OAL Silent Block Pin provides excellent...
    01-050962K01
    SKU:
    01-050962K01
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    Length Options:
    7 1/2 Inch
    $43.90
    Qty in Cart: 0
    Price:
    $43.90
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Square U-Bolt Kit 3/4 X 4 X 8.875 Inch Replaces 680-322-07-25, K241-309 For Peterbilt

    BESTfit Square U-Bolt Kit 3/4 X 4 X 8.875 Inch Replaces 680-322-07-25, K241-309 For Peterbilt

    BESTFIT TRUCK PARTS

    $46.26
    BESTfit U-Bolt Kit Includes Washers & NutsThe BestFit 3/4 x 4 x 8.875 Inch Square U-Bolt Kit is a heavy-duty replacement designed to secure leaf springs and suspension components with precision and...
    01-050961K01
    SKU:
    01-050961K01
    Truck Class:
    Heavy Duty
    Length Options:
    8 Inch
    Product Type:
    Frame & Chassis
    Diameter Options:
    3/4 Inch
    Width Options:
    4 Inch
    Make:
    Peterbilt
    $46.26
    Qty in Cart: 0
    Price:
    $46.26
    Subtotal:
  • FREE SHIPPING OVER $249
    Drag Link W/ 14.21 Inch C To C & 14.5 Inch E To E For Peterbilt 357, 378 & 379 Replaces 10-02498, DS1179

    Drag Link W/ 14.21 Inch C To C & 14.5 Inch E To E For Peterbilt 357, 378 & 379 Replaces 10-02498, DS1179

    AUTOMANN USA

    $138.99
    Drag Link W/ 14.21 Inch C To C & 14.5 Inch E To E Replaces 10-02498, DS1179 Fits Peterbilt 357, 378 & 379Enhance your truck's steering system with this durable Drag Link featuring a 14.21-inch...
    01-05095000
    SKU:
    01-05095000
    Product Type:
    Frame & Chassis
    Length Options:
    14 Inch
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $138.99
    Qty in Cart: 0
    Price:
    $138.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Spring Pin W/ Double Lock 6.859 Inch For Peterbilt Replaces 02-01767, 02-01781

    BESTfit Spring Pin W/ Double Lock 6.859 Inch For Peterbilt Replaces 02-01767, 02-01781

    BESTFIT TRUCK PARTS

    $23.23
    Spring Pin W/ Double Lock & 5.313 C To C By BESTfit Replaces 02-01767, 02-01781 Fits PeterbiltThe BestFit Spring Pin with Double Lock offers superior strength and secure fastening for heavy-duty...
    01-050957K01
    SKU:
    01-050957K01
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Peterbilt
    Length Options:
    6 3/4 Inch
    Position:
    Front
    Width Options:
    1 1/4 Inch
    $23.23
    Qty in Cart: 0
    Price:
    $23.23
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 177MM OAL 27MM OD Threaded Spring Pin Replaces B65-6008 For Peterbilt COE & Conventional

    BESTfit 177MM OAL 27MM OD Threaded Spring Pin Replaces B65-6008 For Peterbilt COE & Conventional

    BESTFIT TRUCK PARTS

    $31.58
    BESTfit 138MM Center To Center Threaded Spring Pin Fits Peterbilt COE & Conventional 1982-CurrentDesigned to meet OEM standards, the BestFit 177mm OAL x 27mm OD threaded spring pin replaces B65-6008...
    01-05091204K01
    SKU:
    01-05091204K01
    Length Options:
    6 Inch
    Size Options:
    27 mm
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Peterbilt
    $31.58
    Qty in Cart: 0
    Price:
    $31.58
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 7.375 Inch Threaded Spring Pin W/ 5.75 Inch C To C & 1.375 Inch 6 Thread For Peterbilt Replaces 6262, 02-01713

    BESTfit 7.375 Inch Threaded Spring Pin W/ 5.75 Inch C To C & 1.375 Inch 6 Thread For Peterbilt Replaces 6262, 02-01713

    BESTFIT TRUCK PARTS

    $40.58
    7.375 Inch Threaded Spring Pin W/ 5.75 Inch C To C & 1.375 Inch 6 Thread By BESTfit Replaces 6262, 02-01713 Fits PeterbiltThe BestFit 7.375-inch overall length threaded spring pin with a 1.5-inch...
    01-05091203K01
    SKU:
    01-05091203K01
    Length Options:
    7 Inch
    Diameter Options:
    1 Inch
    Style Options:
    Thread On
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $40.58
    Qty in Cart: 0
    Price:
    $40.58
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 7.87 Inch OAL X 1.062 Inch OD Threaded Spring Pin Replaces B65-1008 For Peterbilt COE & Conventional

    BESTfit 7.87 Inch OAL X 1.062 Inch OD Threaded Spring Pin Replaces B65-1008 For Peterbilt COE & Conventional

    BESTFIT TRUCK PARTS

    $26.65
    BESTfit 6.33 Inch Center To Center Threaded Spring Pin Fits Peterbilt COE & Conventional 1982-Current - Replaces PB64-1008The BestFit 7.87-inch overall length threaded spring pin with a 1.062-inch...
    01-05091205K01
    SKU:
    01-05091205K01
    Diameter Options:
    1 Inch
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Length Options:
    7 Inch
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $26.65
    Qty in Cart: 0
    Price:
    $26.65
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 7.5 Inch Silent Block Bushing W/ 6.312 Inch C To C & 2.077 Inch OD For Peterbilt Replaces 52312, 52257, 52757

    BESTfit 7.5 Inch Silent Block Bushing W/ 6.312 Inch C To C & 2.077 Inch OD For Peterbilt Replaces 52312, 52257, 52757

    BESTFIT TRUCK PARTS

    $63.99
    7.5 Inch Silent Block Bushing W/ 6.312 Inch C To C & 2.077 Inch OD By BESTfit Replaces 52312, 52257, 52757 Fits PeterbiltThe BestFit 7.5-inch silent block bushing offers a reliable solution for...
    01-05091202K01
    SKU:
    01-05091202K01
    Truck Class:
    Heavy Duty
    Diameter Options:
    2 Inch
    Product Type:
    Frame & Chassis
    Make:
    Peterbilt
    Length Options:
    7 1/2 Inch
    $63.99
    Qty in Cart: 0
    Price:
    $63.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 4 Inch Threaded Bushing 1.375 Inch W/ 6 Thread & 1.75 Inch OD For Peterbilt Replaces 5295, 52991

    BESTfit 4 Inch Threaded Bushing 1.375 Inch W/ 6 Thread & 1.75 Inch OD For Peterbilt Replaces 5295, 52991

    BESTFIT TRUCK PARTS

    $24.44
    4 Inch Threaded Bushing 1.375 Inch W/ 6 Thread & 1.75 Inch OD By BESTfit Replaces 5295, 52991 Fits PeterbiltThe BestFit 4-inch overall length threaded bushing with 1.375-inch diameter and 6 threads...
    01-05091200K01
    SKU:
    01-05091200K01
    Length Options:
    4 Inch
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    Diameter Options:
    1 3/4 Inch
    $24.44
    Qty in Cart: 0
    Price:
    $24.44
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 101MM OAL X 52.8MM OD 4 Thread Bushing Replaces B13-1002 For Peterbilt COE & Conventional

    BESTfit 101MM OAL X 52.8MM OD 4 Thread Bushing Replaces B13-1002 For Peterbilt COE & Conventional

    BESTFIT TRUCK PARTS

    $38.33
    BESTfit 52.8MM OD 4 Thread Bushing Fits Peterbilt COE & Conventional 1982-CurrentThe BestFit 101mm OAL x 52.8mm OD 4 Thread Bushing is a precision-engineered replacement designed to restore...
    01-05091201K01
    SKU:
    01-05091201K01
    Length Options:
    3 Inch
    Diameter Options:
    2 Inch
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $38.33
    Qty in Cart: 0
    Price:
    $38.33
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Steer Axle Rear Spring Hanger Driver/Passenger Side W/ 3/4 Inch Bolt Hole, Replaces 02-01800M001, 3381230 For Peterbilt 362, 377, 378 & 379

    BESTfit Steer Axle Rear Spring Hanger Driver/Passenger Side W/ 3/4 Inch Bolt Hole, Replaces 02-01800M001, 3381230 For Peterbilt 362, 377, 378 & 379

    BESTFIT TRUCK PARTS

    $69.99
    Steer Axle Rear Spring Hanger Driver/Passenger Side W/ 3/4 Inch Bolt Hole By BESTfit Replaces 02-01800M001, 3381230 Fits Peterbilt 362, 377, 378 & 379Ensure proper suspension alignment and reliable...
    01-0509104
    SKU:
    01-0509104
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    Position:
    Rear Of Front
    Width Options:
    4 Inch
    Material Options:
    Steel
    Location:
    Made In USA
    $69.99
    Qty in Cart: 0
    Price:
    $69.99
    Subtotal:
  • 3 Pad, 2 Leaf Parabolic Spring 25.5 X 27 Inch W/ 2 RNK Bushings For Peterbilt 362, 377, 378 & 379 Replaces 52276, 53278

    3 Pad, 2 Leaf Parabolic Spring 25.5 X 27 Inch W/ 2 RNK Bushings For Peterbilt 362, 377, 378 & 379 Replaces 52276, 53278

    AUTOMANN USA

    $417.99
    25.5 X 27 Inch 3 Pad, 2 Leaf Parabolic Spring W/ 2 RNK Bushings Replaces 52276, 53278 Fits Peterbilt 362, 377, 378 & 379The 2 Leaf Steer Spring is built to offer reliable support and enhanced...
    01-0509103
    SKU:
    01-0509103
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Length Options:
    27 Inch
    Width Options:
    4 Inch
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    Rating:
    5400 LBS
    $417.99
    Qty in Cart: 0
    Price:
    $417.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Spring Shackle Side Bar 6 X 2 Inch Steer Axle Replaces 02-01783, 02-01784 For Peterbilt 379

    BESTfit Spring Shackle Side Bar 6 X 2 Inch Steer Axle Replaces 02-01783, 02-01784 For Peterbilt 379

    BESTFIT TRUCK PARTS

    $30.36
    6 X Inch Spring Shackle Side Bar By BESTfit Replaces 02-01783, 02-01784 Fits Peterbilt 379 Steer AxleThe BestFit Side Bar for Spring Shackle is a key suspension component built to handle the demands...
    01-050909
    SKU:
    01-050909
    Length Options:
    6 Inch
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Material Options:
    Steel
    Width Options:
    2 Inch
    Height Options:
    1 Inch
    Position:
    Rear Of Front
    Ready To Ship:
    Yes
    $30.36
    Qty in Cart: 0
    Price:
    $30.36
    Subtotal:
  • FREE SHIPPING OVER $249
    1.5 Inch OD, 1.25 Inch ID X 4 Inch Spring Bushing For Peterbilt Steer Axle Replaces 16-12399-001, 30057007, 10651H

    1.5 Inch OD, 1.25 Inch ID X 4 Inch Spring Bushing For Peterbilt Steer Axle Replaces 16-12399-001, 30057007, 10651H

    AUTOMANN USA

    $8.25
    Spring Bushing 1.5 Inch OD, 1.25 Inch ID X 4 Inch Replaces 16-12399-001, 30057007, 10651H Fits Peterbilt Steer AxleMaintain proper alignment and reduce wear in your front suspension system with this...
    01-0509100K01
    SKU:
    01-0509100K01
    Truck Class:
    Heavy Duty
    Diameter Options:
    1 Inch
    Product Type:
    Frame & Chassis
    Width Options:
    4 Inch
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $8.25
    Qty in Cart: 0
    Price:
    $8.25
    Subtotal:
  • Limited Quantity Available
    Twelve Gauge Customs Steer Axle Air Ride Kit W/ Lower & Upper Air Bag Mounts For Peterbilt 379 Gen III

    Twelve Gauge Customs Steer Axle Air Ride Kit W/ Lower & Upper Air Bag Mounts For Peterbilt 379 Gen III

    TWELVE GAUGE

    $2,499.99
    Steer Axle Air Ride Kit W/ 4 Shocks By Twelve Gauge Customs Fits Peterbilt 379 Gen IIIThe Twelve Gauge Custom Gen 3 Steer Axle Air Ride Kit is compatible with Peterbilt 379 models from 1987 to 2007,...
    01-050901
    SKU:
    01-050901
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Position:
    Kit Full
    Ready To Ship:
    Yes
    $2,499.99
    Qty in Cart: 0
    Price:
    $2,499.99
    Subtotal:
  • BESTfit 3 Leaf Parabolic Spring - 8,200 lbs Capacity For Peterbilt 375/377, 357/378 SFA & 379 Replaces 2001799

    BESTfit 3 Leaf Parabolic Spring - 8,200 lbs Capacity For Peterbilt 375/377, 357/378 SFA & 379 Replaces 2001799

    BESTFIT TRUCK PARTS

    $657.99
    3 Leaf Parabolic Spring W/ 8200 Lb. Capacity By BESTfit Replaces 2001799 Fits Replaces 2001799Restore your truck's suspension performance with the BESTfit 4 Inch Wide 3-Leaf Parabolic Spring,...
    01-050900017
    SKU:
    01-050900017
    Width Options:
    4 Inch
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Peterbilt
    Rating:
    8000 LBS
    Material Options:
    Steel
    $657.99
    Qty in Cart: 0
    Price:
    $657.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Black Rubber Fender Mud Flap 14 X 16 Inch W/ Peterbilt Logo

    Black Rubber Fender Mud Flap 14 X 16 Inch W/ Peterbilt Logo

    OPP - ORIGINAL PARTS PROGRAM

    $46.91
    14 X 16 Inch Black Rubber Fender Mud Flap W/ Peterbilt LogoThe 16 Inch wide Peterbilt logo mud flap is expertly crafted using high-quality black rubber material. It features a sleek design with the...
    01-0507006OE
    SKU:
    01-0507006OE
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Length Options:
    14 Inch
    Style Options:
    Factory Style
    Product Type:
    Mud Flaps
    Material Options:
    Rubber
    Width Options:
    16 Inch
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $46.91
    Qty in Cart: 0
    Price:
    $46.91
    Subtotal:
  • FREE SHIPPING OVER $249
    Black Rubber Mud Flap 17 X 16-18 Inch W/ Red & White Peterbilt Logo

    Black Rubber Mud Flap 17 X 16-18 Inch W/ Red & White Peterbilt Logo

    OPP - ORIGINAL PARTS PROGRAM

    $49.97
    17 X 16-18 Inch Black Rubber Mud Flap W/ Red & White Peterbilt LogoCheck out this black flared-end Peterbilt logo mud flap! Made from high-quality black rubber, this mud flap not only offers superior...
    01-0507009OE
    SKU:
    01-0507009OE
    Length Options:
    17 Inch
    Style Options:
    Factory Style
    Product Type:
    Mud Flaps
    Material Options:
    Rubber
    Location:
    Made In USA
    Width Options:
    16 Inch
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    Height Options:
    1/4 Inch
    Color:
    Black
    $49.97
    Qty in Cart: 0
    Price:
    $49.97
    Subtotal:
  • FREE SHIPPING OVER $249
    Peterbilt Logo Mud Flap 24 X 18 Inch Inch Black Rubber

    Peterbilt Logo Mud Flap 24 X 18 Inch Inch Black Rubber

    OPP - ORIGINAL PARTS PROGRAM

    $83.99
    Ribbed Black Rubber Peterbilt Logo Mud Flap With Fiberglass ReinforcementAdd classic style and reliable protection to your rig with these 18 x 24 Inch Black Rubber Mud Flaps featuring the red and...
    01-0507007OE
    SKU:
    01-0507007OE
    Material Options:
    Rubber
    Width Options:
    24 Inch
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Length Options:
    18 Inch
    Style Options:
    Factory Style
    Product Type:
    Mud Flaps
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $83.99
    Qty in Cart: 0
    Price:
    $83.99
    Subtotal:
  • Chrome Plated Aluminum Step Plates W/ 379 Engraved Logo 24 X 6 Inch For Peterbilt 379

    Chrome Plated Aluminum Step Plates W/ 379 Engraved Logo 24 X 6 Inch For Peterbilt 379

    LIFETIME NUT COVERS

    $611.99
    24 X 6 Inch Step Plates Chrome Plated Aluminum W/ 379 Engraved Logo By Lifetime Nut Covers Fits Peterbilt 379Easily mount these durable step plates by Lifetime Nut Covers to your tool box or battery...
    01-0505007
    SKU:
    01-0505007
    Style Options:
    Factory Style
    Length Options:
    6 Inch
    Finish Options:
    Chrome-Plated
    Material Options:
    Billet Aluminum
    Product Type:
    Frame & Chassis
    Width Options:
    24 Inch
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    $611.99
    Qty in Cart: 0
    Price:
    $611.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Black Ribbed Rubber Battery Box Mud Flap 24 X 14 Inch W/ Peterbilt Logo For Peterbilt Models

    Black Ribbed Rubber Battery Box Mud Flap 24 X 14 Inch W/ Peterbilt Logo For Peterbilt Models

    OPP - ORIGINAL PARTS PROGRAM

    $50.99
    24 X 14 Inch Black Ribbed Rubber Battery Box Mud Flap W/ Peterbilt Logo Fits Peterbilt ModelsThis high quality 14 X 24 inch Black Rubber red and white Peterbilt Logo Mud Flap has a ribbed flap with...
    01-0507008OE
    SKU:
    01-0507008OE
    Product Type:
    Mud Flaps
    Truck Class:
    Heavy Duty
    Material Options:
    Rubber
    Width Options:
    24 Inch
    Location:
    Made In USA
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    Length Options:
    1/4 Inch
    Color:
    Black
    Height Options:
    14 Inch
    Style Options:
    Ribbed
    $50.99
    Qty in Cart: 0
    Price:
    $50.99
    Subtotal:
  • 16 Inch Stainless Steel Oval Front Flap Weight W/ Backplate For Peterbilt 365, 367, 378, 379, 388, 389

    16 Inch Stainless Steel Oval Front Flap Weight W/ Backplate For Peterbilt 365, 367, 378, 379, 388, 389

    PHOENIX DESIGN

    $91.99
    16 Inch Stainless Steel Oval Front Flap Weight W/ Backplate Fits Peterbilt 365, 367, 378, 379, 388 & 389Keep your mud flaps in place with these oval front flap weights. Sold in pairs, each weight is...
    01-050700001
    SKU:
    01-050700001
    Product Type:
    Frame & Chassis
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Width Options:
    16 Inch
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    $91.99
    Qty in Cart: 0
    Price:
    $91.99
    Subtotal:
  • Frame Rail Nut Cover Kit For Peterbilt 379

    Frame Rail Nut Cover Kit For Peterbilt 379

    LIFETIME NUT COVERS

    $87.99
    Frame Rail Nut Cover Kit By Lifetime Nut Covers Fits Peterbilt 379Add a clean, finished look to your rig with this Frame Rail Nut Cover Kit, designed to enhance both style and protection. Ideal for...
    01-050604
    SKU:
    01-050604
    Finish Options:
    Chrome-Plated
    Style Options:
    Push On
    Product Type:
    Frame & Chassis
    Material Options:
    Plastic/Poly
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $87.99
    Qty in Cart: 0
    Price:
    $87.99
    Subtotal:
  • Roadworks Stainless Steel Cross Member Frame Step W/ 2 Steps & 7.875 Inch Bolt Spacing For Peterbilt

    Roadworks Stainless Steel Cross Member Frame Step W/ 2 Steps & 7.875 Inch Bolt Spacing For Peterbilt

    ROADWORKS

    $502.99
    Stainless Steel Cross Member Frame Step W/ 2 Steps & 7.875 Inch Bolt Spacing By Roadworks Fits PeterbiltEnsure safer access to your Peterbilt truck with these heavy-duty stainless steel 2-step...
    01-050500001
    SKU:
    01-050500001
    Product Type:
    Frame & Chassis
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    $502.99
    Qty in Cart: 0
    Price:
    $502.99
    Subtotal:
  • FREE SHIPPING OVER $249
    CSM Aluminum Lower Step 29.5 X 7 X 2 Inch W/ Late Style Tread For Peterbilt 378, 379 & 389

    CSM Aluminum Lower Step 29.5 X 7 X 2 Inch W/ Late Style Tread For Peterbilt 378, 379 & 389

    CHROME SHOP MAFIA

    $96.99
    29.5 X 7 X 2 Inch Aluminum Lower Step W/ Late Style Tread By Chrome Shop Mafia Fits Peterbilt 378, 379 & 389This is quality replacement aluminum factory-style lower step for the Peterbilt battery or...
    01-0505001
    SKU:
    01-0505001
    Position:
    Lower
    Material Options:
    Aluminum
    Width Options:
    7 Inch
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    Height Options:
    2 Inch
    Length Options:
    29 1/2 Inch
    Product Type:
    Toolboxes
    $96.99
    Qty in Cart: 0
    Price:
    $96.99
    Subtotal:
  • Roadworks 30 Inch Aluminum Lower Step Replaces 01-050108 For Peterbilt 379

    Roadworks 30 Inch Aluminum Lower Step Replaces 01-050108 For Peterbilt 379

    ROADWORKS

    $162.99
    Aluminum 30 Inch Lower Step By Roadworks Fits Peterbilt 379 Replaces 01-050108Restore safe and reliable access to your Peterbilt 379 with this 30-inch stainless steel lower step replacement, designed...
    01-050500002
    SKU:
    01-050500002
    Material Options:
    Stainless Steel
    Length Options:
    30 Inch
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Peterbilt
    $162.99
    Qty in Cart: 0
    Price:
    $162.99
    Subtotal:
  • Roadworks Stainless Steel Frame Tool Box 24 Inch W/ Full Top Step For Peterbilt 378, 379, 388, 389

    Roadworks Stainless Steel Frame Tool Box 24 Inch W/ Full Top Step For Peterbilt 378, 379, 388, 389

    ROADWORKS

    $1,055.99
    24 Inch Stainless Steel Frame Tool Box W/ Full Top Step By Roadworks Fits Peterbilt 378, 379, 388, 389Built tough for Peterbilt 378, 379, 388, and 389 models, this 24-inch stainless steel frame tool...
    01-050253
    SKU:
    01-050253
    Product Type:
    Frame & Chassis
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Length Options:
    24 Inch
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    $1,055.99
    Qty in Cart: 0
    Price:
    $1,055.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Iowa Customs Stainless Steel Tool Box Combo Step Trim Passenger Side For Peterbilt 378, 379, 388, 389

    Iowa Customs Stainless Steel Tool Box Combo Step Trim Passenger Side For Peterbilt 378, 379, 388, 389

    IOWA CUSTOMS

    $170.99
    Passenger Side Stainless Steel Tool Box Combo Step Trim By Iowa Customs Fits Peterbilt 378, 379, 388, 389Transform the passenger side of your Peterbilt 378, 379, 388, or 389 with the Iowa Customs...
    01-050250
    SKU:
    01-050250
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Position:
    Passenger Side
    Finish Options:
    Polished
    Product Type:
    Toolboxes
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $170.99
    Qty in Cart: 0
    Price:
    $170.99
    Subtotal:
  • BESTfit Diamond Plate Aluminum Tool Box W/ Smooth Sides & New Style Step 31 X 30 X 15 Inch For Peterbilt 378, 379, 389 Glider

    BESTfit Diamond Plate Aluminum Tool Box W/ Smooth Sides & New Style Step 31 X 30 X 15 Inch For Peterbilt 378, 379, 389 Glider

    BESTFIT TRUCK PARTS

    $866.99
    31 X 30 X 15 Inch Diamond Plate Aluminum Tool Box W/ Smooth Sides & New Style Step By BESTfit Fits Peterbilt 378, 379, 389 GliderLooking for a sturdy, reliable toolbox for your Peterbilt 378, 379, or...
    01-05022000
    SKU:
    01-05022000
    Length Options:
    31 Inch
    Material Options:
    Aluminum
    Finish Options:
    Diamond Plate
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    Height Options:
    15 Inch
    Width Options:
    30 Inch
    $866.99
    Qty in Cart: 0
    Price:
    $866.99
    Subtotal:
  • BESTfit Diamond Plate Aluminum 24 Inch Tool Box OE Style W/ New Style Step & Smooth Sides For Peterbilt 378, 379, 389/Glider

    BESTfit Diamond Plate Aluminum 24 Inch Tool Box OE Style W/ New Style Step & Smooth Sides For Peterbilt 378, 379, 389/Glider

    BESTFIT TRUCK PARTS

    $752.99
    24 Inch Diamond Plate Aluminum Tool Box OE Style W/ New Style Step & Smooth Sides By BESTfit Fits Peterbilt 378, 379, 389/GliderOutfit your rig with rugged style and reliable storage using the...
    01-05022001
    SKU:
    01-05022001
    Finish Options:
    Diamond Plate
    Product Type:
    Frame & Chassis
    Length Options:
    24 Inch
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $752.99
    Qty in Cart: 0
    Price:
    $752.99
    Subtotal:
  • Stainless Steel Tool / Battery Box Cover Set - 6-Piece For Peterbilt 379

    Stainless Steel Tool / Battery Box Cover Set - 6-Piece For Peterbilt 379

    PHOENIX DESIGN

    $188.99
    6-Piece Stainless Steel Tool & Battery Box Cover Set Fits Peterbilt 379Protect your truck's essential components with this 6 Piece Stainless Steel Tool and Battery Box Cover Set, designed for...
    01-050212
    SKU:
    01-050212
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Product Type:
    Frame & Chassis
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    $188.99
    Qty in Cart: 0
    Price:
    $188.99
    Subtotal:
  • FREE SHIPPING OVER $249
    CSM Stainless Steel Tool Box IFTA Permit Panel- 30 X 10.875 Inch For Peterbilt 378, 379, 388, 389 & 389 Glider

    CSM Stainless Steel Tool Box IFTA Permit Panel- 30 X 10.875 Inch For Peterbilt 378, 379, 388, 389 & 389 Glider

    CHROME SHOP MAFIA

    $72.99
    30 X 10.875 Inch Stainless Steel Tool Box IFTA Permit Panel By Chrome Shop Mafia Fits Peterbilt 378, 379, 388, 389 & 389 GliderProtect and organize your IFTA stickers with the CSM Stainless Steel...
    01-050200
    SKU:
    01-050200
    Truck Class:
    Heavy Duty
    Length Options:
    30 Inch
    Location:
    Made In USA
    Product Type:
    Toolboxes
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Height Options:
    10 1/2 Inch
    Ready To Ship:
    Yes
    Finish Options:
    Polished
    $72.99
    Qty in Cart: 0
    Price:
    $72.99
    Subtotal:
  • CSM Diamond Plate Aluminum Tool Box W/ Smooth Sides & OE Style Steps- 30 X 30 X 15 Inch For Peterbilt 359, 377, 378, 379, 389 & 389 Glider

    CSM Diamond Plate Aluminum Tool Box W/ Smooth Sides & OE Style Steps- 30 X 30 X 15 Inch For Peterbilt 359, 377, 378, 379, 389 & 389 Glider

    CHROME SHOP MAFIA

    $843.99
    30 X 30 X 15 Inch Aluminum Step Tool Box W/ Stainless Steel Locking T Handle Latch By Chrome Shop MafiaGet your Peterbilt OE stye replacement aluminum Tool Box by Chrome Shop Mafia at 4 State Trucks...
    01-05020031
    SKU:
    01-05020031
    Length Options:
    30 Inch
    Width Options:
    30 Inch
    Material Options:
    Aluminum
    Finish Options:
    Diamond Plate
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Peterbilt
    Height Options:
    15 Inch
    Style Options:
    Locking
    Ready To Ship:
    Yes
    $843.99
    Qty in Cart: 0
    Price:
    $843.99
    Subtotal:
  • BESTfit Aluminum Narrow OE Tool Box W/ Diamond Top Plate & Step 24 X 31 X 15 Inch For Peterbilt

    BESTfit Aluminum Narrow OE Tool Box W/ Diamond Top Plate & Step 24 X 31 X 15 Inch For Peterbilt

    BESTFIT TRUCK PARTS

    $735.99
    24 X 31 X 15 Inch Aluminum Narrow OE Tool Box W/ Diamond Top Plate & Step By BESTfit Fits Peterbilt4 State Trucks offers this quality narrow 24-inch OEM style step toolbox that mounts to the frame of...
    01-05020024
    SKU:
    01-05020024
    Finish Options:
    Diamond Plate
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Width Options:
    24 Inch
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    Height Options:
    15 Inch
    Style Options:
    Narrow Style
    Product Type:
    Toolboxes
    Length Options:
    31 Inch
    $735.99
    Qty in Cart: 0
    Price:
    $735.99
    Subtotal:
  • Valley Chrome Stainless Steel Battery Box W/ Rounded Top 30 X 31 X 15 Inch & Rubber Tie Downs For Peterbilt 378, 379, 389

    Valley Chrome Stainless Steel Battery Box W/ Rounded Top 30 X 31 X 15 Inch & Rubber Tie Downs For Peterbilt 378, 379, 389

    VALLEY CHROME PLATING

    $1,503.99
    30 X 31 X 15 Inch Stainless Steel Battery Box W/ Rounded Top By Valley Chrome Fits Peterbilt 378, 379, 389Engineered for both durability and style, the Valley Chrome Stainless Steel Battery Box with...
    01-050142
    SKU:
    01-050142
    Material Options:
    Stainless Steel
    Product Type:
    Toolboxes
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Location:
    Made In USA
    Ready To Ship:
    Yes
    $1,503.99
    Qty in Cart: 0
    Price:
    $1,503.99
    Subtotal:
  • FREE SHIPPING
    CSM Aluminum Battery/Tool Box 30.25 Inch W/ Square Corners & Non Slip Grip Upper Step For Peterbilt 359, 377, 378, 379

    CSM Aluminum Battery/Tool Box 30.25 Inch W/ Square Corners & Non Slip Grip Upper Step For Peterbilt 359, 377, 378, 379

    AFTERMARKET

    $279.99
    30.25 X 16 X 17.25 Inch Aluminum Battery/Tool Box W/ Square Corners & Non Slip Grip Upper Step By Chrome Shop Mafia Fits Peterbilt 359, 377, 378, 379Chrome Shop Mafia's aftermarket Diamond Plated...
    01-05012001
    SKU:
    01-05012001
    Material Options:
    Aluminum
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Finish Options:
    Diamond Plate
    Length Options:
    17 1/4 Inch
    Height Options:
    16 Inch
    Width Options:
    30 1/2 Inch
    Ready To Ship:
    Yes
    $279.99
    Qty in Cart: 0
    Price:
    $279.99
    Subtotal:
  • Iowa Customs Stainless Steel Battery Box Step Trim Kit W/ Combo Center Panel For Peterbilt 379, 389 & 389 Glider

    Iowa Customs Stainless Steel Battery Box Step Trim Kit W/ Combo Center Panel For Peterbilt 379, 389 & 389 Glider

    IOWA CUSTOMS

    $235.99
    Stainless Steel Battery Box Step Trim Kit W/ Combo Center Panel By Iowa Customs Fits Peterbilt 379, 389 & 389 GliderEnhance your Peterbilt 379, 389, or 389 Glider battery box steps with the Iowa...
    01-050146
    SKU:
    01-050146
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Toolboxes
    Position:
    Kit Full
    Ready To Ship:
    Yes
    $235.99
    Qty in Cart: 0
    Price:
    $235.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Aluminum Lower Step 7 X 30.5 Inch With Brackets For Peterbilt 359, 378 & 379

    BESTfit Aluminum Lower Step 7 X 30.5 Inch With Brackets For Peterbilt 359, 378 & 379

    BESTFIT TRUCK PARTS

    $106.99
    7 X 30.5 Inch Lower Step With Brackets By BESTfit Fits Peterbilt 359, 378 & 379A broken lower step can quickly turn into a daily inconvenience, but the BESTfit Aluminum Lower Step provides a...
    01-050134
    SKU:
    01-050134
    Position:
    Lower
    Material Options:
    Aluminum
    Width Options:
    7 Inch
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Length Options:
    30 1/2 Inch
    Height Options:
    2 Inch
    Product Type:
    Toolboxes
    Ready To Ship:
    Yes
    $106.99
    Qty in Cart: 0
    Price:
    $106.99
    Subtotal:
  • Diamond Plate Aluminum OE Style Battery Box Replacement Lid W/ New Style Grip Step & Square Corners For Peterbilt 378 & 379

    Diamond Plate Aluminum OE Style Battery Box Replacement Lid W/ New Style Grip Step & Square Corners For Peterbilt 378 & 379

    AFTERMARKET

    $278.99
    OE Style Battery Box Replacement Lid Diamond Plate Aluminum W/ New Style Grip Step & Square Corners Fits Peterbilt 378 & 379Chrome Shop Mafia's aftermarket Diamond Plated Aluminum Battery Box...
    01-05012002
    SKU:
    01-05012002
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Peterbilt
    Finish Options:
    Diamond Plate
    Product Type:
    Toolboxes
    Ready To Ship:
    Yes
    $278.99
    Qty in Cart: 0
    Price:
    $278.99
    Subtotal:
  • CSM Diamond Plate Aluminum Battery Box W/ Smooth Sides & Early Style Steps- 31 X 30 X 15 Inch For Peterbilt 359, 377, 378 & 379

    CSM Diamond Plate Aluminum Battery Box W/ Smooth Sides & Early Style Steps- 31 X 30 X 15 Inch For Peterbilt 359, 377, 378 & 379

    CHROME SHOP MAFIA

    $764.99
    31 X 30 X 15 Inch Aluminum Battery Step Box With 2 Rubber Latches By Chrome Shop Mafia Fits Peterbilt 359, 377, 378 & 379The Chrome Shop Mafia Battery Box is a high-quality, reliable solution for...
    01-05010031
    SKU:
    01-05010031
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Length Options:
    31 Inch
    Finish Options:
    Diamond Plate
    Width Options:
    30 Inch
    Height Options:
    15 Inch
    Material Options:
    Aluminum
    Ready To Ship:
    Yes
    Product Type:
    Toolboxes
    $764.99
    Qty in Cart: 0
    Price:
    $764.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Aluminum Lower Step Without Brackets 29.5 X 7 X 2 Inch For Peterbilt 359, 378 & 379

    BESTfit Aluminum Lower Step Without Brackets 29.5 X 7 X 2 Inch For Peterbilt 359, 378 & 379

    BESTFIT TRUCK PARTS

    $79.99
    29.5 X 7 X 2 Inch Aluminum Lower Step Without Brackets W/ Early Style Tread Design By BESTfit Fits Peterbilt 359, 378 & 379This high quality Aluminum Lower Step without Brackets Early Style Tread for...
    01-050133
    SKU:
    01-050133
    Position:
    Lower
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Width Options:
    7 Inch
    Make:
    Peterbilt
    Length Options:
    29 1/2 Inch
    Height Options:
    2 Inch
    Ready To Ship:
    Yes
    Product Type:
    Toolboxes
    $79.99
    Qty in Cart: 0
    Price:
    $79.99
    Subtotal:
  • BESTfit Diamond Plate Aluminum Battery Box W/ Smooth Sides & New Style Steps 31 X 30 X 15 Inch For Peterbilt 378 & 379

    BESTfit Diamond Plate Aluminum Battery Box W/ Smooth Sides & New Style Steps 31 X 30 X 15 Inch For Peterbilt 378 & 379

    BESTFIT TRUCK PARTS

    $843.99
    Diamond Plate Aluminum Battery Box W/ Smooth Sides & New Style Steps 31 X 30 X 15 Inch By BESTfit Fits Peterbilt 378 & 379Introducing our new aluminum battery box! With its sleek diamond-plated front...
    01-05012000
    SKU:
    01-05012000
    Material Options:
    Aluminum
    Width Options:
    30 Inch
    Length Options:
    31 Inch
    Product Type:
    Frame & Chassis
    Finish Options:
    Diamond Plate
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    Height Options:
    15 Inch
    $843.99
    Qty in Cart: 0
    Price:
    $843.99
    Subtotal:
  • FREE SHIPPING OVER $249
    CSM Stainless Steel Step Trim 29.375 Inch For Peterbilt 359, 378, 379

    CSM Stainless Steel Step Trim 29.375 Inch For Peterbilt 359, 378, 379

    CHROME SHOP MAFIA

    $24.87
    29.375 Inch Stainless Steel Step Trim By Chrome Shop Mafia Fits Peterbilt 359, 378, 379This high quality step trim is made of number 8 polished 304 stainless steel and is 29.375 inch long with a inch...
    01-050101
    SKU:
    01-050101
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Position:
    Lower
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $24.87
    Qty in Cart: 0
    Price:
    $24.87
    Subtotal:
  • FREE SHIPPING OVER $249
    Turnpike Truck Trim 30.25 Inch Stainless Steel Bolt On Battery Box IFTA Permit Panel W/O Cut Out For Peterbilt 378 & 379

    Turnpike Truck Trim 30.25 Inch Stainless Steel Bolt On Battery Box IFTA Permit Panel W/O Cut Out For Peterbilt 378 & 379

    TURNPIKE TRUCK TRIM

    $83.99
    30.25 X 12.75 Inch Stainless Steel Bolt On Battery Box IFTA Permit Panel W/O Cut Out By Turnpike Truck Trim Fits Peterbilt 378 & 379This Battery Box Permit Panel is a great addition to your truck...
    01-050106
    SKU:
    01-050106
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    Length Options:
    30 Inch
    Height Options:
    12 3/4 Inch
    Location:
    Made In USA
    Product Type:
    Toolboxes
    $83.99
    Qty in Cart: 0
    Price:
    $83.99
    Subtotal:
  • 304 Stainless Steel Tool Box Cover- 10.5625 X 30 Inch For Peterbilt 379

    304 Stainless Steel Tool Box Cover- 10.5625 X 30 Inch For Peterbilt 379

    PHOENIX DESIGN

    $67.99
    10.5625 X 30 Inch 304 Stainless Steel Tool Box Cover Fits Peterbilt 379Enhance your Peterbilt's durability and style with the 10.5625 x 30 Inch Stainless Steel Tool Box Cover, built to provide...
    01-050100007
    SKU:
    01-050100007
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Product Type:
    Toolboxes
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    Height Options:
    10 1/2 Inch
    Length Options:
    30 Inch
    $67.99
    Qty in Cart: 0
    Price:
    $67.99
    Subtotal:
  • Twelve Ga. Stainless Steel Battery Box Slip Cover - 1 Piece For Peterbilt 379

    Twelve Ga. Stainless Steel Battery Box Slip Cover - 1 Piece For Peterbilt 379

    TWELVE GAUGE

    $751.99
    SS 1 Piece Battery Box Slip Cover By Twelve Ga. Fits Peterbilt 379Maximize protection and style for your Peterbilt truck with this premium 430 stainless steel Battery Box Slip Cover. Designed as a...
    01-0501003
    SKU:
    01-0501003
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Length Options:
    24 Inch
    Finish Options:
    Polished
    Style Options:
    Billet Style
    Ready To Ship:
    Yes
    $751.99
    Qty in Cart: 0
    Price:
    $751.99
    Subtotal:
  • Stainless Steel Tool Box Cover- 9.85 X 30 Inch For Peterbilt 379

    Stainless Steel Tool Box Cover- 9.85 X 30 Inch For Peterbilt 379

    PHOENIX DESIGN

    $59.99
    9.85 X 30 Inch SS Tool Box Cover Fits Peterbilt 379Protect your tools and gear with the durable 9.85 x 30 Inch Stainless Steel Tool Box Cover, designed for a perfect fit on Peterbilt trucks. Crafted...
    01-050100008
    SKU:
    01-050100008
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Product Type:
    Toolboxes
    Make:
    Peterbilt
    $59.99
    Qty in Cart: 0
    Price:
    $59.99
    Subtotal:
  • Stainless Steel Tool & Battery Box Cover Set - 6 Piece For Peterbilt 379 1995-1996 - 6 Piece

    Stainless Steel Tool & Battery Box Cover Set - 6 Piece For Peterbilt 379 1995-1996 - 6 Piece

    PHOENIX DESIGN

    $172.99
    6 Piece SS Tool & Battery Box Cover Set Fits Peterbilt 379Designed for strength and a precise fit, this Stainless Steel Tool & Battery Box Cover Set is a reliable upgrade for Peterbilt 379 trucks...
    01-050100010
    SKU:
    01-050100010
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Product Type:
    Toolboxes
    Make:
    Peterbilt
    $172.99
    Qty in Cart: 0
    Price:
    $172.99
    Subtotal:
  • Total: items /

Adding your products to cart

Shop for Repair & Performance Parts for the Peterbilt 379

We stock aftermarket parts from top-tier brands, each engineered to meet or exceed classic OEM Peterbilt 379 parts for both newer and older 379 model years. Replacement parts reduce downtime and can enhance the efficiency of your big rig. Easily swap out worn-out or broken mechanical components: - Turbochargers and exhaust manifolds. - Radiators, heater hoses, and electrical components. -Peterbilt 379 front shocks, air-ride suspension hardware and drivetrain or powertrain replacements. Installing high-quality aftermarket performance upgrades can lead to a positive ROI and stronger performance. Whether your Peterbilt needs an exhaust system upgrade or an extensive suspension rebuild, we've got the parts to get the job done.

Add Polished Chrome Upgrades

Elevate your truck's look with exterior chrome parts: stainless steel visors, grilles, rear fenders, and front bumpers for Peterbilt 379. Add larger Peterbilt diesel fuel storage tanks and a new set of Peterbilt 379 chrome stack tops.

Customize the Interior with Peterbilt 379 Accessories

Our Peterbilt 379 interior accessories let you mix and match designs to fit your truck's theme. For decades, we've helped source parts for drivers to build their custom show trucks. Customizing the interior? If you can dream it, there's likely a product to help you build it. Browse through dash trims, upholstery, dual-tone interior cab lights, vent trim covers, custom foot pedals, and more. Interior accessories help to customize the entirety of your rig. You can add unique rear sleeper window shapes, chrome-polished mirror accessories, cabin doors, and in-cab vinyl flooring kits. When it comes to fine-tuning your custom interior, there are endless options. Filter through a vast selection of products via the materials, design features, sizes, and aftermarket brands that truckers trust. At the bottom of the page, you can review the item details, check for product specs, search for limited-time discounts on popular items, and add the order to cart. Easy.

Frequently Asked Questions About Peterbilt 379 Parts

What years are Peterbilt 379 parts compatible with, and will they fit my specific model?

Most Peterbilt 379 parts fit 1987–2007 trucks, but fitment depends on the exact part and your setup (standard vs extended hood, trim packages, modifications). Always confirm OEM specs and model details before ordering. For custom builds, contact support with your truck info.

What's the difference between aftermarket and OEM Peterbilt 379 parts in terms of quality and durability?

OEM parts match factory specs and usually cost more. Quality aftermarket parts can perform similarly for 30–50% less, especially for chrome and accessories. Look for strong materials (ex: 16-gauge+ bumpers), good plating/finishing, and a warranty—avoid ultra-cheap parts that rust or peel quickly.

How difficult is it to install Peterbilt 379 bumpers and what tools do I need?

Most installs take 2–4 hours with basic tools: socket set (especially 3/4" and 7/8"), torque wrench, jack stands/lift, and ideally a helper. Many bumpers use factory mounts; some may need minor drilling. Rusted hardware and alignment are the usual challenges. Pro install is often $200–$400.

What chrome and finish options are available for Peterbilt 379 parts, and how do they hold up?

Triple chrome: best shine, needs regular upkeep (especially in winter). Powder coat: tough and chip-resistant, less mirror-like. Polished stainless: higher upfront cost, won’t rust, low maintenance. Choose based on climate and how much maintenance you want to do.

Which Peterbilt 379 parts should I prioritize replacing for both appearance and functionality?

Start with safety items (headlights/marker lights). Next, replace rust-prone parts like bumpers, battery boxes, and step plates. Then move to high-impact upgrades like air cleaners and exhaust. Interior items (dash panels, handles) improve daily comfort. Prices can vary. Budget $2,000-5,000 for a comprehensive exterior refresh, or tackle projects individually starting with the most visible or damaged components.


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