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.
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Knoedler Lo-Rider Mid Back Seat W/ 3 Chamber Lumbar, Headrest, Arms- Black Genuine Leather
KNOEDLER
$1,731.99Black Genuine Leather Lo-Rider Mid Back Seat W/ 3 Chamber Lumbar, Headrest, ArmsComfort, style, and durability converge in the Knoedler Lo-Rider Mid Back Seat W/ 3 Chamber Lumbar, Headrest, and Arms,...98LRL82MH0L01- SKU:
- 98LRL82MH0L01
- Material Options:
- Leather
- Color:
- Black
- Product Type:
- Seats
- Degree Options:
- 45
- Style Options:
- Mid Back
- Height Options:
- 20 Inch
- Make:
- Universal Items
$1,731.99Qty in Cart: 0Price:$1,731.99Subtotal: -
Knoedler Wide Chief Standard Base High Back Seat W/ 2 Lumbar Support, Arms, Heat/Cool- Black Synthetic Leather
KNOEDLER
$2,413.99Black Synthetic Leather Wide Chief Standard Base High Back Seat W/ 2 Lumbar Support, Arms, Heat/Cool-Maximize cab comfort with the Knoedler Wide Chief Standard Base High Back Seat, designed for...98CWS82TB0S01- SKU:
- 98CWS82TB0S01
- Product Type:
- Seats
- Color:
- Black
- Degree Options:
- 45
- Style Options:
- High Back
- Width Options:
- 23 Inch
- Material Options:
- Synthetic Leather
- Make:
- Universal Items
$2,413.99Qty in Cart: 0Price:$2,413.99Subtotal: -
Reman HX 40W Turbocharger Replaces 4044171R, HT4044171R, 4044174H, 3591021R, 3598064, 3800405 For Cummins 6CTA
AREA DIESEL SERVICE
$2,561.99Cummins 6CTA TurbochargerRestore peak power and reliability with the Reman HX 40W Turbocharger for Cummins 6CTA. This high-quality reman turbocharger provides steady boost and improved airflow for...29-0704129- SKU:
- 29-0704129
- Product Type:
- Engine Parts
- Style Options:
- Cummins
- Make:
- Universal Items
$2,561.99Qty in Cart: 0Price:$2,561.99Subtotal: -
BESTfit AC Compressor Assembly With 1 Groove Clutch Replaces 3E1906 For Caterpillar Engine
BESTFIT TRUCK PARTS
$267.99Caterpillar Engine AC Compressor Assembly With 1 Groove Clutch By BESTfitRestore peak air conditioning performance with the BESTfit AC Compressor Assembly with 1 Groove Clutch, a direct replacement...29-070000043- SKU:
- 29-070000043
- Product Type:
- Engine Parts
- Style Options:
- Caterpillar
- Make:
- Universal Items
$267.99Qty in Cart: 0Price:$267.99Subtotal: -
10.375 X 4 X 0.75 Inch Round U-Bolt
4 STATE TRUCKS
$54.9910.375 X 4 X 0.75 Inch U-BoltDepend on the 10.375 x 4 x 0.75 Inch Round U-Bolt for heavy-duty fastening with professional-grade strength. It includes a round bend, 3/4 inch - 16 threads, and...29-05090251- SKU:
- 29-05090251
- Product Type:
- Frame & Chassis
- Width Options:
- 4 Inch
- Diameter Options:
- 3/4 Inch
- Length Options:
- 10 1/4 Inch
- Make:
- Universal Items
$54.99Qty in Cart: 0Price:$54.99Subtotal: -
Chrome Shift Handle With 1/2 Inch - 13 Thread
TWISTED SHIFTERZ
$34.95Shift Handle With 1/2 Inch - 13 Thread- ChromeTake your cab to the next level with the high-quality Chrome Shift Handle with 1/2 Inch - 13 Thread, featuring a black rubber toilet plunger cup for...09-220000042- SKU:
- 09-220000042
- Location:
- Made In USA
- Material Options:
- Steel
- Product Type:
- Interior
- Finish Options:
- Chrome-Plated
- Make:
- Universal Items
$34.95Qty in Cart: 0Price:$34.95Subtotal: -
Minimizer Holland 5th Wheels Slick Plate
MINIMIZER
$353.995th Wheels Slick Plate By MinimizerReduce wear and improve handling with the Minimizer Holland 5th Wheels Slick Plate, designed for the FW17 Gen2. This high-quality slick plate minimizes friction...29-051100034- SKU:
- 29-051100034
- Product Type:
- Frame & Chassis
- Make:
- Universal Items
$353.99Qty in Cart: 0Price:$353.99Subtotal: -
On SaleLimited Quantity Available
Knock Out Degreaser- 16 Oz
AFTERMARKET
Now: $6.50Was: $13.2316 Ounce Knock Out DegreaserExperience deep cleaning power with the Knock Out Degreaser, specially formulated to dissolve grease, grime, and brake dust on contact. Perfect for tires, wheels, engine...09-1703113- SKU:
- 09-1703113
- Product Type:
- Polishing
- Make:
- Universal Items
- Ready To Ship:
- Yes
Now: $6.50Was: $13.23Qty in Cart: 0Price:Now: $6.50Was: $13.23Subtotal: -
Seats Inc Ultra Leather Seat Cushion Assembly For Legacy Silver Style Seat
SEATS INC
$440.99Ultra Leather Seat Cushion Assembly By Seats IncBring luxury and comfort to your Legacy Silver Style seat with the Seats Inc Ultra Leather Seat Cushion Assembly. Made with high-quality Ultra Leather,...188004MN61- SKU:
- 188004MN61
- Material Options:
- Ultra Leather
- Product Type:
- Seats
- Make:
- Universal Items
$440.99Qty in Cart: 0Price:$440.99Subtotal: -
Twelve Gauge New Generation Air Ride Air Bag
TWELVE GAUGE
$263.00Replacement New Generation Air Ride Air Bag By Twelve GaugeExperience advanced ride comfort with the Twelve Gauge New Generation Air Ride Air Bag, engineered for new air ride suspension systems. This...29-051000028- SKU:
- 29-051000028
- Product Type:
- Frame & Chassis
- Make:
- Universal Items
- Ready To Ship:
- Yes
$263.00Qty in Cart: 0Price:$263.00Subtotal: -
Piston Skull Shift Knob With 1/2 Inch - 13 Thread Adapter
TWISTED SHIFTERZ
$93.992.5 X 3.75 X 3 Inch Piston Skull Shift KnobAdd personality and performance to your truck with the Piston Skull Shift Knob. Crafted for durability and style, this high-quality knob features a unique...09-1513205- SKU:
- 09-1513205
- Length Options:
- 3 Inch
- Height Options:
- 3 1/2 Inch
- Product Type:
- Interior
- Width Options:
- 2 1/2 Inch
- Make:
- Universal Items
$93.99Qty in Cart: 0Price:$93.99Subtotal: -
Black Poly Single Axle Fender W/ Underside Ribs For 22 - 24 Inch Wheel Size
TRAMEC SLOAN
$421.99Poly Single Axle Fender Black W/ Underside RibsThe Black Poly Single Axle Fender for 22-24 Inch Wheels delivers high-strength protection and corrosion-free performance for your trailer's stationary...09-110500497- SKU:
- 09-110500497
- Color:
- Black
- Material Options:
- Plastic/Poly
- Product Type:
- Exterior
- Make:
- Universal Items
$421.99Qty in Cart: 0Price:$421.99Subtotal: -
Merritt 72 X 34.5 Inch Diamond Plate Aluminum Deck Cover W/ Stiffeners
MERRITT
$698.9972 X 34.5 Inch Diamond Plate Deck Cover By MerrittGive your truck a durable, professional upgrade with the Merritt Diamond Plate Aluminum Deck Cover with Stiffeners. Made from premium aluminum, the...159- SKU:
- 159
- Length Options:
- 72 Inch
- Width Options:
- 34 Inch
- Location:
- Made In USA
- Material Options:
- Aluminum
- Finish Options:
- Diamond Plate
- Product Type:
- Frame & Chassis
- Make:
- Universal Items
- Ready To Ship:
- Yes
$698.99Qty in Cart: 0Price:$698.99Subtotal: -
TPHD 66 Inch Stainless Steel 3 Rib Full Radius Fender W/ 2 Inch Flange
TPHD
$448.9966 Inch Full Radius Fender W/ 2 Inch Flange By TPHDThe TPHD 66 Inch Stainless Steel 3 Rib Full Radius Fender with 2 Inch Flange delivers reliable wheel protection and professional-grade style. Built...09-110301012- SKU:
- 09-110301012
- Material Options:
- Stainless Steel
- Product Type:
- Exterior
- Size Options:
- 16 Gauge
- Make:
- Universal Items
$448.99Qty in Cart: 0Price:$448.99Subtotal: -
FREE SHIPPING OVER $249
New Car Air Freshener- 8 Oz
AFTERMARKET
$8.998 Ounce Air Freshener- New Car ScentEnjoy the signature smell of a brand-new vehicle every time you drive with the New Car Air Freshener. This high-quality air freshener is formulated to eliminate...09-17070086- SKU:
- 09-17070086
- Product Type:
- Polishing
- Make:
- Universal Items
- Ready To Ship:
- Yes
$8.99Qty in Cart: 0Price:$8.99Subtotal: -
5Th Wheel Slider Retro Fit Kit
OPP - ORIGINAL PARTS PROGRAM
$1,105.995Th Wheel Slider KitKeep your fifth wheel sliding smoothly with the 5th Wheel Slider Retro Fit Kit, built for durability and reliability. Features include no-tilt shaft with handle, left and right...09-051100931- SKU:
- 09-051100931
- Product Type:
- Frame & Chassis
- Make:
- Universal Items
- Ready To Ship:
- Yes
$1,105.99Qty in Cart: 0Price:$1,105.99Subtotal: -
Bead It Up Plus Drying Agent- 5 Gallon
AFTERMARKET
$92.995 Gallon Bead It Up Plus Drying AgentKeep vehicles looking pristine with Bead It Up Plus Drying Agent. Engineered for automatic carwashes, it provides high-quality water beading, surface durability,...09-1703139- SKU:
- 09-1703139
- Product Type:
- Polishing
- Capacity:
- 5 Gallons
- Make:
- Universal Items
$92.99Qty in Cart: 0Price:$92.99Subtotal: -
Supreme All-In-One Cleaner- 1 Gallon
AFTERMARKET
$127.161 Gallon Supreme All-In-One CleanerRestore shine and protect surfaces with the Supreme All-In-One Cleaner, a multi-functional polish and sealant designed for trucks and commercial vehicles. Perfect...09-1700010- SKU:
- 09-1700010
- Capacity:
- 1 Gallon
- Product Type:
- Polishing
- Make:
- Universal Items
- Ready To Ship:
- Yes
$127.16Qty in Cart: 0Price:$127.16Subtotal: -
Hardware Kit For Seat Base Adaptor For Kenworth
IOWA CUSTOMS
$40.79Kenworth Seat Base Adaptor Hardware KitAchieve precise installation with the Hardware Kit for Seat Base Adaptor for Kenworth. This high-quality kit provides all the necessary components for mounting...09-192069- SKU:
- 09-192069
- Product Type:
- Seats
- Make:
- Universal Items
$40.79Qty in Cart: 0Price:$40.79Subtotal: -
30 Gallon Aluminum Hydraulic Tank W/ 4- 2 Inch NTP Filling Ports, Mounting Tray & Spring Kit
ICONIC
$2,453.9930 Gallon Hydraulic Tank Fits Between The Legs Of 76 Inch Iconic Headache RackUpgrade your hydraulic setup with the 30 Gallon Aluminum Hydraulic Tank, designed for precision fit and long-term...09-02500258- SKU:
- 09-02500258
- Capacity:
- 30 Gallons
- Product Type:
- Cargo Control
- Make:
- Universal Items
$2,453.99Qty in Cart: 0Price:$2,453.99Subtotal:
