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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Steel Adapter JIC/ NPTF Male Hose Fitting
AUTOMANN USA
$1.83 - $5.74Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models of TrucksSteel Adapter JIC/ NPTF Male Replaces 70365-0808, G60490-0808, G604900808, JCM08-NPM081/2 Inch-14 X 3/4...PPR_299452- SKU:
- PPR_299452
- Diameter Options:
- 3/8 Inch
- Length Options:
- 1 5/8 Inch
- Length Options:
- 1 1/2 Inch
- Length Options:
- 2 Inch
- Length Options:
- 1 1/4 Inch
- Material Options:
- Steel
- Length Options:
- 1 3/4 Inch
- Product Type:
- Cargo Control
- Make:
- Universal Items
$1.83 - $5.74Qty in Cart: 0Price:$1.83 - $5.74Subtotal: -
Yellow 2 Inch X 30 FT Ratchet Strap - 3335 Lbs Working Load
AUTOMANN USA
$20.94 - $27.08Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models of TrucksYellow 2 Inch X 30 FT J-Hook Ratchet Strap- 3335 Lbs Working Load2 Inch X 30 FT Yellow J-Hook Ratchet...PPR_299448- SKU:
- PPR_299448
- Product Type:
- Cargo Control
- Rating:
- 10000 LBS
- Color:
- Yellow
- Width Options:
- 2 Inch
- Length Options:
- 360 Inch
- Make:
- Universal Items
$20.94 - $27.08Qty in Cart: 0Price:$20.94 - $27.08Subtotal: -
20 Inch Chrome Texas Boxed End Bumper W/ Tow & 30 Round 3/4 Inch Light Holes For Peterbilt 357, 378 & 379
VALLEY CHROME PLATING
$902.99Valley Chrome 20 Inch Texas Boxed End Bumper W/ Tow & 30 Round 3/4 Inch Light HolesDrive with confidence and style using the Valley Chrome 20 Inch Texas Boxed End Bumper for Peterbilt 357, 378, and...HC00105130BYN- SKU:
- HC00105130BYN
- Light Options:
- Without Lights
- Height Options:
- 20 Inch
- Location:
- Made In USA
- Style Options:
- Texas Boxed End
- Product Type:
- Bumpers
- Finish Options:
- Chrome-Plated
- Material Options:
- Steel
- Make:
- Peterbilt
$902.99Qty in Cart: 0Price:$902.99Subtotal: -
Knoedler Extreme Low Rider Mid Back Seat W/ Headrest, Arms, Isolator- Gray Mordura Cloth
KNOEDLER
$2,249.99Gray Mordura Cloth Extreme Low Rider Mid Back Seat W/ Headrest, Arms, IsolatorOptimize your truck cab with the Knoedler Extreme Low Rider Mid Back Seat, upholstered in durable gray Mordura cloth and...98SCL62MH0D05- SKU:
- 98SCL62MH0D05
- Material Options:
- Nylon
- Product Type:
- Seats
- Degree Options:
- 45
- Color:
- Gray
- Style Options:
- Mid Back
- Make:
- Universal Items
$2,249.99Qty in Cart: 0Price:$2,249.99Subtotal: -
Knoedler Low Rider Air Chief High Back Seat W/ FAS Lumbar, Arms W/ Black Synthetic Leather
KNOEDLER
$1,580.99Black Synthetic Leather Low Rider Air Chief High Back Seat W/ FAS Lumbar, ArmsTake your driving comfort to the next level with the Knoedler Low Rider Air Chief High Back Seat. Lowered by 1.5 inches,...98LRL82TB0S01- SKU:
- 98LRL82TB0S01
- Degree Options:
- 45
- Width Options:
- 20 Inch
- Color:
- Black
- Material Options:
- Synthetic Leather
- Style Options:
- High Back
- Product Type:
- Seats
- Make:
- Universal Items
$1,580.99Qty in Cart: 0Price:$1,580.99Subtotal: -
18 Inch Chrome Blind Mount Tapered Rolled End Bumper For Peterbilt 357 & 378 SFA, 379
VALLEY CHROME PLATING
$1,042.99Valley Chrome 18 Inch Blind Mount Tapered Rolled End BumperTurn heads with the Valley Chrome 18 Inch Blind Mount Tapered Rolled End Bumper for Peterbilt 357, 378, and 379. Designed with a sleek...HCXXXX03UST- SKU:
- HCXXXX03UST
- Location:
- Made In USA
- Type Options:
- Blind Mount
- Finish Options:
- Chrome-Plated
- Light Options:
- Without Lights
- Material Options:
- Steel
- Product Type:
- Bumpers
- Height Options:
- 18 Inch
- Make:
- Kenworth
- Make:
- Peterbilt
- Make:
- Freightliner
- Size Options:
- 7 Gauge
- Style Options:
- Standard Rolled End
$1,042.99Qty in Cart: 0Price:$1,042.99Subtotal: -
Knoedler Extreme Low Rider Air Chief Mid Back Seat W/ FAS Lumbar, Headrest, Arms, Integrated Compressor- Black & Gray Synthetic Leather
KNOEDLER
$2,625.99Black & Gray Synthetic Leather Extreme Low Rider Air Chief Mid Back Seat W/ FAS Lumbar, Headrest, Arms, Integrated Compressor- Black & Gray Synthetic LeatherFor drivers seeking a perfect blend of...98SSL62MH0S015- SKU:
- 98SSL62MH0S015
- Product Type:
- Seats
- Color:
- Black
- Material Options:
- Synthetic Leather
- Style Options:
- Mid Back
- Degree Options:
- 45
- Make:
- Universal Items
$2,625.99Qty in Cart: 0Price:$2,625.99Subtotal: -
Knoedler Extreme Low Rider Air Chief Mid Back Seat W/ FAS Lumbar, Arms, Headrest, Integrated Compressor- Black Synthetic Leather
KNOEDLER
$2,625.99Black Synthetic Leather Extreme Low Rider Air Chief Mid Back Seat W/ FAS Lumbar, Arms, Headrest, Integrated CompressorMaximize long-haul comfort with the Knoedler Extreme Low Rider Air Chief Mid Back...98SSL62MH0S01- SKU:
- 98SSL62MH0S01
- Color:
- Black
- Style Options:
- Mid Back
- Degree Options:
- 45
- Product Type:
- Seats
- Material Options:
- Synthetic Leather
- Make:
- Universal Items
$2,625.99Qty in Cart: 0Price:$2,625.99Subtotal: -
Knoedler Extreme Low Rider Air Chief Mid Back Seat W/ FAS Lumbar, Arms, Headrest- Gray Synthetic Leather
KNOEDLER
$2,267.99Gray Synthetic Leather Extreme Low Rider Air Chief Mid Back Seat W/ FAS Lumbar, Arms, HeadrestElevate your driving experience with the Knoedler Extreme Low Rider Air Chief Mid Back Seat, upholstered...98SCL62MH0S05- SKU:
- 98SCL62MH0S05
- Degree Options:
- 45
- Color:
- Gray
- Material Options:
- Synthetic Leather
- Style Options:
- Mid Back
- Product Type:
- Seats
- Make:
- Universal Items
$2,267.99Qty in Cart: 0Price:$2,267.99Subtotal: -
Knoedler Extreme Low Rider Mid Back Seat W/ Headrest, Arms, Isolator- Black Mordura Cloth
KNOEDLER
$2,249.99Black Mordura Cloth Extreme Low Rider Mid Back Seat W/ Headrest, Arms, IsolatorTake command of your cab with the Knoedler Extreme Low Rider Mid Back Seat, designed for maximum comfort and...98SCL62MH0D01- SKU:
- 98SCL62MH0D01
- Product Type:
- Seats
- Color:
- Black
- Material Options:
- Nylon
- Style Options:
- Mid Back
- Degree Options:
- 45
- Make:
- Universal Items
$2,249.99Qty in Cart: 0Price:$2,249.99Subtotal: -
Knoedler Extreme Low Rider Mid Back Seat W/ FAS Lumbar, Arms- Black Synthetic Leather
KNOEDLER
$2,170.99Black Synthetic Leather Extreme Low Rider Mid Back Seat W/ FAS Lumbar, ArmsRide in comfort and style with the Knoedler Extreme Low Rider Mid Back Seat, a high-performance seat designed for drivers...98SCL60MB0S01- SKU:
- 98SCL60MB0S01
- Degree Options:
- 45
- Width Options:
- 20 Inch
- Material Options:
- Synthetic Leather
- Color:
- Black
- Style Options:
- Mid Back
- Product Type:
- Seats
- Make:
- Universal Items
$2,170.99Qty in Cart: 0Price:$2,170.99Subtotal: -
Knoedler Low Rider Air Chief Wide Seat W/ FAS Lumbar, Arms- Black Synthetic Leather
KNOEDLER
$1,580.99Black Synthetic Leather Low Rider Air Chief Wide Seat W/ FAS Lumbar, ArmsDrive in comfort and style with the Knoedler Low Rider Air Chief Wide Seat. The 23-inch wide cushion, mid-back seat, and...98LWL82MH0S01- SKU:
- 98LWL82MH0S01
- Product Type:
- Seats
- Color:
- Black
- Style Options:
- Mid Back
- Material Options:
- Synthetic Leather
- Width Options:
- 23 Inch
- Degree Options:
- 45
- Make:
- Universal Items
$1,580.99Qty in Cart: 0Price:$1,580.99Subtotal: -
Knoedler Air Chief Standard Base Mid Back Seat W/ FAS Lumbar, Arms, Headrest, Bellows- Black & Brown Synthetic Leather
KNOEDLER
$1,876.99Black & Brown Synthetic Leather Air Chief Standard Base Mid Back Seat W/ FAS Lumbar, Arms, Headrest, BellowsLong-haul drivers can enjoy unmatched comfort with the Knoedler Air Chief Standard Base Mid...98CWL82MH0S12- SKU:
- 98CWL82MH0S12
- Product Type:
- Seats
- Style Options:
- Mid Back
- Material Options:
- Synthetic Leather
- Color:
- Black
- Width Options:
- 23 Inch
- Make:
- Universal Items
$1,876.99Qty in Cart: 0Price:$1,876.99Subtotal: -
V-Band Clamp For Cummins ISM, ISX 12, ISX 15 Engine Replaces 2871863
AUTOMANN USA
$32.1413.375 Inch V- Band ClampProtect your DPF muffler system on Cummins ISM, ISX 12, and ISX 15 engines with this high-quality stainless steel V-Band Clamp, replacing 2871863. The 12.5-inch body and 13...29-08060022- SKU:
- 29-08060022
- Length Options:
- 12 1/2 Inch
- Material Options:
- Stainless Steel
- Style Options:
- Cummins
- Diameter Options:
- 13 1/2 Inch
- Product Type:
- Exhaust
- Make:
- Universal Items
$32.14Qty in Cart: 0Price:$32.14Subtotal: -
Knoedler Chief Standard Base High Back Seat W/ 2 Lumbar Supports, Arms, Heat, Massage- Red & Black Synthetic Leather
KNOEDLER
$2,996.99Red & Black Synthetic Leather Chief Standard Base High Back Seat W/ 2 Lumbar Supports, Arms, Heat, MassageElevate your cab interior with the Knoedler Chief Standard Base High Back Seat, designed for...98CHS82TB0S16- SKU:
- 98CHS82TB0S16
- Color:
- Black
- Product Type:
- Seats
- Degree Options:
- 45
- Style Options:
- High Back
- Material Options:
- Synthetic Leather
- Height Options:
- 20 Inch
- Make:
- Universal Items
$2,996.99Qty in Cart: 0Price:$2,996.99Subtotal: -
On SaleLimited Quantity Available
Knoedler Harrier Standard Base High Back Seat W/ Air Lumbar, Arms- Black Synthetic Leather
KNOEDLER
Now: $933.79Was: $1,333.99Black Synthetic Leather Harrier Standard Base High Back Seat W/ Air Lumbar, ArmsExperience premium comfort and advanced ergonomics with the Knoedler Harrier Standard Base High Back Seat. This...941082TB0S01- SKU:
- 941082TB0S01
- Material Options:
- Synthetic Leather
- Degree Options:
- 45
- Product Type:
- Seats
- Color:
- Black
- Style Options:
- High Back
- Make:
- Universal Items
- Ready To Ship:
- Yes
Now: $933.79Was: $1,333.99Qty in Cart: 0Price:Now: $933.79Was: $1,333.99Subtotal: -
Hub Odometer Bracket Replaces GT-4065, STM6100065, 610-0065
AUTOMANN USA
$18.50Hub Odometer BracketEnhance the stability of your hub odometer assembly with this premium Hub Odometer Bracket. Featuring two legs with 0.375-inch mounting holes and a 0.5-inch top mounting hole, it...29-20200053- SKU:
- 29-20200053
- Width Options:
- 1 1/2 Inch
- Product Type:
- Wheels
- Height Options:
- 3 1/2 Inch
- Length Options:
- 5 1/2 Inch
- Make:
- Universal Items
$18.50Qty in Cart: 0Price:$18.50Subtotal: -
Power Steering Reservoir Replaces 583991410J, 91410J, FG91410J, ZFS91410J For Kenworth, Mack & Peterbilt
AFTERMARKET
$480.994 Quart Power Steering ReservoirEnhance your Kenworth, Mack, or Peterbilt truck's steering performance with this high-quality Power Steering Reservoir. The 4-quart reservoir features a fill cap, 4...29-07120017- SKU:
- 29-07120017
- Product Type:
- Engine Parts
- Make:
- Peterbilt
- Make:
- Kenworth
- Make:
- Mack
$480.99Qty in Cart: 0Price:$480.99Subtotal: -
5 Inch Stainless Steel Door Chop Top Trim For Kenworth & Peterbilt
JML KUSTOMS
$203.995 Inch Door Chop Top TrimGive your Kenworth or Peterbilt a polished, professional upgrade with this 5 Inch Stainless Steel Door Chop Top Trim. Constructed from durable 304 stainless steel, this trim...29-09140016- SKU:
- 29-09140016
- Product Type:
- Exterior
- Material Options:
- Stainless Steel
- Height Options:
- 5 Inch
- Make:
- Peterbilt
- Make:
- Kenworth
$203.99Qty in Cart: 0Price:$203.99Subtotal: -
Headlamp Bezel Replaces 320483, 3-2048-3, K307-30, RKLB001, K30730, 1607538, 16-07538 For Kenworth & Peterbillt
AFTERMARKET
$54.99Headlamp Bezel- Driver Or Passenger SideEnhance both protection and style on your Kenworth or Peterbilt with this premium Headlamp Bezel. Includes six mounting screws and fits either driver or...29-16020003- SKU:
- 29-16020003
- Product Type:
- Lighting
- Height Options:
- 4 1/2 Inch
- Make:
- Peterbilt
- Make:
- Kenworth
$54.99Qty in Cart: 0Price:$54.99Subtotal:
