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 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: -
V-Band Clamp For Cummins & PACCAR Engine Replaces 2871862, Q187681, P238308, AC300011
AFTERMARKET
$53.9911.90 Inch V-Band ClampKeep your Cummins or PACCAR engine running efficiently with this high-quality V-Band Clamp. With stainless steel construction, a 9.5-inch body, and 11.900-inch nominal...29-08060018- SKU:
- 29-08060018
- Diameter Options:
- 11 1/2 Inch
- Length Options:
- 9 1/2 Inch
- Style Options:
- Paccar
- Material Options:
- Stainless Steel
- Product Type:
- Exhaust
- Make:
- Universal Items
$53.99Qty in Cart: 0Price:$53.99Subtotal: -
Camshaft Position Sensor For Caterpillar C15 Engines Replaces 2016617
AUTOMANN USA
$147.99Caterpillar C15 Engine Camshaft Position Sensor- 2 PinMaximize engine efficiency and performance with this high-quality Camshaft Position Sensor for CAT C15 engines, replacing 2016617. Featuring a...29-07100070- SKU:
- 29-07100070
- Style Options:
- Caterpillar
- Length Options:
- 2 1/2 Inch
- Product Type:
- Engine Parts
- Make:
- Universal Items
- Ready To Ship:
- Yes
$147.99Qty in Cart: 0Price:$147.99Subtotal: -
Oil Filler Cap For PACCAR MX13 Engine Replaces 1785085, 1785085PE
AUTOMANN USA
$19.04PACCAR MX13 Engine Oil Filler CapMaintain your PACCAR MX13 engine with this high-quality replacement Oil Filler Cap, designed to replace 1785085 and 1785085PE. Made from durable rubber with a...29-072000014- SKU:
- 29-072000014
- Material Options:
- Rubber
- Product Type:
- Engine Parts
- Color:
- Red
- Style Options:
- Paccar
- Diameter Options:
- 1 1/2 Inch
- Make:
- Universal Items
$19.04Qty in Cart: 0Price:$19.04Subtotal: -
Engine Oil Filter Screw Cap For PACCAR MX13 Engine Replaces 1876740, 1876740, 1936324, 1936324, 1948922, 2011888
AUTOMANN USA
$69.99PACCAR MX13 Engine Oil Filter Screw CapEnsure your PACCAR MX13 engine continues to operate efficiently with this replacement Engine Oil Filter Screw Cap. Its centrifugal screw-on design with included...29-072000015- SKU:
- 29-072000015
- Style Options:
- Paccar
- Product Type:
- Engine Parts
- Make:
- Universal Items
$69.99Qty in Cart: 0Price:$69.99Subtotal: -
Air Inlet Manifold Pressure Sensor Replaces 1619929, 1946724, 1298374
AUTOMANN USA
$115.9916.50 Inch Air Inlet Manifold Pressure Sensor- 3 PinThis high-quality Air Inlet Manifold Pressure Sensor replacement for 1619929, 1946724, and 1298374 ensures accurate air pressure readings for...29-07100066- SKU:
- 29-07100066
- Style Options:
- Caterpillar
- Length Options:
- 16 1/2 Inch
- Product Type:
- Engine Parts
- Make:
- Universal Items
$115.99Qty in Cart: 0Price:$115.99Subtotal: -
Fuel and Water Separator Vent Cap Replaces 240023, 240023DAV, DVC240023DAV, 1694745C91
AUTOMANN USA
$9.99Fuel and Water Separator Vent CapSafeguard your truck's fuel system with this Fuel and Water Separator Vent Cap, designed to replace 240023, 240023DAV, DVC240023DAV, and 1694745C91. Cap only, sold...29-071200034- SKU:
- 29-071200034
- Product Type:
- Engine Parts
- Make:
- Universal Items
$9.99Qty in Cart: 0Price:$9.99Subtotal: -
Intake Manifold Air Temp Sensor For Cummins ISX, QSX15 Engine Replaces 4921473, 3417142
AUTOMANN USA
$90.99Cummins ISX, QSX15 Engine Intake Manifold Air Temp Sensor- 4 PinThis Intake Manifold Air Temp Sensor provides precise and reliable air temperature monitoring for Cummins ISX and QSX15 engines,...29-07100062- SKU:
- 29-07100062
- Product Type:
- Engine Parts
- Style Options:
- Cummins
- Length Options:
- 1 3/4 Inch
- Make:
- Universal Items
$90.99Qty in Cart: 0Price:$90.99Subtotal: -
Coolant Temp Sensor For Caterpillar Engines Replaces 1022240
AUTOMANN USA
$115.99Caterpillar Engine Coolant Temp Sensor- 3 PinThis Coolant Temp Sensor for Caterpillar engines replaces 1022240 and delivers precise temperature monitoring to optimize engine performance. Featuring a...29-07100071- SKU:
- 29-07100071
- Style Options:
- Caterpillar
- Diameter Options:
- 1 Inch
- Length Options:
- 3 Inch
- Product Type:
- Engine Parts
- Make:
- Universal Items
$115.99Qty in Cart: 0Price:$115.99Subtotal: -
Cam Crank Timing Position Sensor For CAT C11, C13, C15 Engine Replaces 2016615
AUTOMANN USA
$121.99Caterpillar Engine Cam Crank Timing Position Sensor- 2 PinKeep your CAT C11, C13, and C15 engines running at peak efficiency with this high-quality Cam Crank Timing Position Sensor, replacing 2016615...29-07100072- SKU:
- 29-07100072
- Length Options:
- 3 Inch
- Product Type:
- Engine Parts
- Style Options:
- Caterpillar
- Make:
- Universal Items
$121.99Qty in Cart: 0Price:$121.99Subtotal:
