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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Hogebuilt Zinc Tube Fender Clamp
HOGEBUILT FENDERS
$13.60Replacement Tube ClampThis zinc clamp securely holds your fender tubes in place. Built for durability, it's perfect for replacements and keeps tubes firmly fastened.* High Quality Tube Clamp* Made Of...09-11137- SKU:
- 09-11137
- Height Options:
- 1 1/2 Inch
- Width Options:
- 3 Inch
- Length Options:
- 4 1/2 Inch
- Product Type:
- Exhaust
- Make:
- Universal Items
$13.60Qty in Cart: 0Price:$13.60Subtotal: -
BESTfit 6 ID X 60 Inch Aluminized Flat Top Exhaust Pipe
BESTFIT TRUCK PARTS
$172.9960 Inch Aluminized Flat Top Exhaust Pipe* High Quality Exhaust Pipe* Aluminized* Dimensions: - 6 Inch ID - 60 Inches Length* Made In USA* Sold Individually* Warranty On Exhaust Pipes Against...09-08606010A- SKU:
- 09-08606010A
- Product Type:
- Exhaust
- Diameter Options:
- 6 Inch
- Material Options:
- Aluminized Steel
- Length Options:
- 60 Inch
- Make:
- Universal Items
$172.99Qty in Cart: 0Price:$172.99Subtotal: -
BESTfit 3.5 ID X 18 Inch Aluminized Curved Top Exhaust Stack
BESTFIT TRUCK PARTS
$49.993.5 Inch ID 18 Inch Long Aluminized Curved Top Stack* High Quality Top Stack* Aluminized* Dimensions: - 3.5 Inch ID - 18 Inch Length* Curved Top* Made In USA* Sold Individually* Warranty On Top...09-08351807- SKU:
- 09-08351807
- Product Type:
- Exhaust
- Diameter Options:
- 3 1/2 Inch
- Material Options:
- Aluminized Steel
- Style Options:
- Curve Turn
- Length Options:
- 18 Inch
- Make:
- Universal Items
$49.99Qty in Cart: 0Price:$49.99Subtotal: -
BESTfit 5 X 72 Inch Chrome Bull Horn Stack With ID Bottom
BESTFIT TRUCK PARTS
$414.99Bullhorn Stack With ID Bottom* High Quality Stack* Chrome-Plated* Dimensions: - 5 Inch ID Bottom - 72 Inch Length* Bull Horn Style* Made In USA* Sold Individually* Warranty On Stacks Against...09-087572144- SKU:
- 09-087572144
- Product Type:
- Exhaust
- Diameter Options:
- 5 Inch
- Finish Options:
- Chrome-Plated
- Material Options:
- Steel
- Height Options:
- 72 Inch
- Style Options:
- Bull Hauler Turn
- Make:
- Universal Items
$414.99Qty in Cart: 0Price:$414.99Subtotal: -
BESTfit 6 Inch ID 45 Degree Rubber Air Intake Elbow
BESTFIT TRUCK PARTS
$66.996 Inch ID 45-Degree Exhaust Elbow* High Quality Elbow* 45 Degree* Made Of Rubber* 6 Inch Inner Diameter* Made In USA* Sold Individually* Warranty On Elbows Against Defects In Workmanship & Material...09-0905007- SKU:
- 09-0905007
- Degree Options:
- 45
- Material Options:
- Rubber
- Diameter Options:
- 6 Inch
- Make:
- Universal Items
- Product Type:
- Engine Parts
$66.99Qty in Cart: 0Price:$66.99Subtotal: -
BESTfit 10 Inch Stainless Steel Aerodynamic Heat Shield With Round Holes Cutouts- 60 Inch Long
BESTFIT TRUCK PARTS
$335.99Punched Round Hole Aerodynamic Heat Shield For 10 Inch OD Pipe* High Quality Heat Shield* Aerodynamic* With Punched Round Holes* Made Of Stainless Steel* Black Powder Coated* Dimensions: - 60 Inch...09-0808153- SKU:
- 09-0808153
- Product Type:
- Exhaust
- Material Options:
- Stainless Steel
- Finish Options:
- Black Powder Coat
- Diameter Options:
- 10 Inch
- Style Options:
- Punched
- Height Options:
- 60 Inch
- Make:
- Universal Items
$335.99Qty in Cart: 0Price:$335.99Subtotal: -
BESTfit 5 Inch Guillotine Saddle Clamp with Round U-Bolt
BESTFIT TRUCK PARTS
$9.995 Inch Zinc Plated Round Bolt Closed Single Saddle ClampReplace your worn exhaust and muffler clamps with this premium 5 inch exhaust clamp featuring a heavy-duty 3/8 inch U-bolt and single...09-0805029- SKU:
- 09-0805029
- Product Type:
- Exhaust
- Material Options:
- Zinc
- Diameter Options:
- 5 Inch
- Make:
- Universal Items
$9.99Qty in Cart: 0Price:$9.99Subtotal: -
BESTfit 6 ID To 5 ID X 72 Inch Chrome Curved Exhaust Stack
BESTFIT TRUCK PARTS
$514.996 X 72 Inch Curved Top Chrome Monster Stack Reduced to 5 Inch ID* High Quality Stack* Chrome-Plated* 6 In I.D Reduces To 5 In I.D Bottom* 72 Inch Height* Curved* Made In USA* Sold Individually*...09-086572174- SKU:
- 09-086572174
- Product Type:
- Exhaust
- Diameter Options:
- 6 To 5 Inch
- Material Options:
- Steel
- Height Options:
- 72 Inch
- Style Options:
- Curve Turn
- Finish Options:
- Chrome-Plated
- Make:
- Universal Items
$514.99Qty in Cart: 0Price:$514.99Subtotal: -
BESTfit 5 OD X 60 Inch Chrome West Coast Curve Top Exhaust Stack
BESTFIT TRUCK PARTS
$257.995 Inch OD West Coast Curve Top Exhaust Stack* High Quality Top Stack* Chrome-Plated* Dimensions: - 5 Inch OD - 60 Inch Height* West Coast Curve Style* Made In USA* Sold Individually* Warranty On...09-085060074- SKU:
- 09-085060074
- Product Type:
- Exhaust
- Height Options:
- 60 Inch
- Diameter Options:
- 5 Inch
- Material Options:
- Steel
- Style Options:
- West Coast Turn
- Finish Options:
- Chrome-Plated
- Make:
- Universal Items
$257.99Qty in Cart: 0Price:$257.99Subtotal: -
BESTfit 4 OD X 16.5 Inch 90 Degree Miter Top Stack For Dump Truck
BESTFIT TRUCK PARTS
$196.99Miter Top Dump Truck Stack* High Quality Stack* Chrome-Plated* 4 Inch OD* Miter Style * 90 Degree Style* Made In USA* Sold Individually* Warranty On Stacks Against Defects In Workmanship & Material...09-0840001- SKU:
- 09-0840001
- Product Type:
- Exhaust
- Finish Options:
- Chrome-Plated
- Diameter Options:
- 4 Inch
- Degree Options:
- 90
- Style Options:
- Miter Cut
- Material Options:
- Steel
- Make:
- Universal Items
$196.99Qty in Cart: 0Price:$196.99Subtotal: -
BESTfit 10 Inch Diameter Aluminized Type 1 Diesel Muffler With 5 To 6 Inch ID
BESTFIT TRUCK PARTS
$274.99Universal Stainless Steel 5 Inch ID End In - 6 Inch End Out MufflerThe Type 1 diesel full-sized muffler measures 10 inches in diameter and 44.5 inches long. With its 5-inch intake and 6-inch output,...09-08020026- SKU:
- 09-08020026
- Product Type:
- Exhaust
- Material Options:
- Aluminized Steel
- Make:
- Universal Items
- Diameter Options:
- 6 Inch
$274.99Qty in Cart: 0Price:$274.99Subtotal: -
7 OD / OD X 60 Inch Aluminized Straight Exhaust Stack
BESTFIT TRUCK PARTS
$224.9960 Inch Tall Aluminized Straight Stack With 7 Inch OD - OD* High Quality * 7 Inch X 60 Inch* Straight* Made In USA* Sold Individually* Warranty On S Against Defects In Workmanship & Material From...09-087060004A- SKU:
- 09-087060004A
- Product Type:
- Exhaust
- Length Options:
- 60 Inch
- Material Options:
- Aluminized Steel
- Diameter Options:
- 7 Inch
- Style Options:
- Straight Style
- Make:
- Universal Items
$224.99Qty in Cart: 0Price:$224.99Subtotal: -
BESTfit SS Wrap Around 180 Degree Heat Shield With Round Hole Cutouts - 42 Inch
BESTFIT TRUCK PARTS
$182.99Round Hole 180 Degree Heat Shield* High Quality Heat Shield* 430 Stainless Steel* 42 Inch Height* 180 Degree Wrap* With Round Holes* Made In USA* Sold Individually* Warranty On Heat Shields Against...09-0808154- SKU:
- 09-0808154
- Product Type:
- Exhaust
- Height Options:
- 42 Inch
- Degree Options:
- 180
- Material Options:
- Stainless Steel
- Make:
- Universal Items
$182.99Qty in Cart: 0Price:$182.99Subtotal: -
BESTfit 3.5 Inch OD Aluminized 3 Bend Exhaust Turbo Pipe With Flare For International School Bus
BESTFIT TRUCK PARTS
$439.99International Bus Exhaust Pipe* High Quality Turbo Exhaust Pipe* 3 Bend* Flat Flare End Style* Made Of Aluminized Steel* 3.5 Inch OD* Made In USA* Sold Individually* Warranty On Exhaust Pipes Against...09-08011714- SKU:
- 09-08011714
- Product Type:
- Exhaust
- Diameter Options:
- 3 1/2 Inch
- Material Options:
- Aluminized Steel
- Make:
- Universal Items
$439.99Qty in Cart: 0Price:$439.99Subtotal: -
BESTfit 11 Inch Muffler Clamp
BESTFIT TRUCK PARTS
$54.99Universal Powder Coated Clamp For 11 Inch Mufflers* High Quality Muffler* 11 Inch* Made In USA* Sold Individually* Warranty On Mufflers Against Defects In Workmanship & Material From Date Of...09-0805026- SKU:
- 09-0805026
- Product Type:
- Exhaust
- Diameter Options:
- 11 Inch
- Make:
- Universal Items
$54.99Qty in Cart: 0Price:$54.99Subtotal: -
BESTfit 6 Inch Stainless Steel 180 Degree Heat Shield - 30 Inch Long
BESTFIT TRUCK PARTS
$195.99Vertical Slot Heat Shield Guard For 6 Inch Exhaust Pipes* High Quality Heat Shied* Stainless Steel* 30 Inch Height* 180 Degree* With Vertical Slots* Made In USA* Sold Individually* Warranty On Heat...09-080800060- SKU:
- 09-080800060
- Product Type:
- Exhaust
- Material Options:
- Stainless Steel
- Height Options:
- 30 Inch
- Degree Options:
- 180
- Style Options:
- Vertical
- Make:
- Universal Items
$195.99Qty in Cart: 0Price:$195.99Subtotal: -
BESTfit 4 ID x 24 Inch Aluminized Curved Exhaust Stack
BESTFIT TRUCK PARTS
$57.67Aluminized Curved Exhaust Stack Pipe* High Quality Stack* Curved* Aluminized* Dimensions: - 4 Inch I.D - 24 Inch Height* Made In USA* Sold Individually* Warranty On Stacks Against Defects In...09-084024174- SKU:
- 09-084024174
- Product Type:
- Exhaust
- Height Options:
- 24 Inch
- Material Options:
- Aluminized Steel
- Diameter Options:
- 4 Inch
- Style Options:
- Curve Turn
- Make:
- Universal Items
$57.67Qty in Cart: 0Price:$57.67Subtotal: -
BESTfit 4 ID / ID X 12 Inch Stainless Steel Flex Hose
BESTFIT TRUCK PARTS
$76.99PACCAR Replacement Triple-S Exhaust Flex Hose* High Quality Flex Hose* Stainless Steel* 4 Inch* Made In USA* Sold Individually* Warranty On Flex Hoses Against Defects In Workmanship & Material From...09-08044124- SKU:
- 09-08044124
- Product Type:
- Exhaust
- Diameter Options:
- 4 Inch
- Material Options:
- Stainless Steel
- Make:
- Universal Items
$76.99Qty in Cart: 0Price:$76.99Subtotal: -
BESTfit 5 Inch ID / OD Aluminized Straight Tubing - 120 Inch
BESTFIT TRUCK PARTS
$187.99120 Inch Length Straight Aluminized Tubing ID/OD* High Quality Tubing* Aluminized* 120 Inch Length* Made In USA* Sold Individually* Warranty On Tubing Against Defects In Workmanship & Material From...09-080100600- SKU:
- 09-080100600
- Product Type:
- Exhaust
- Material Options:
- Aluminized Steel
- Length Options:
- 120 Inch
- Make:
- Universal Items
$187.99Qty in Cart: 0Price:$187.99Subtotal: -
BESTfit 8.5 Inch 180 Degree Heat Shield Mounting Brackets
BESTFIT TRUCK PARTS
$39.998.5 Inch 180 Mounting Brackets For 180 Degree Wrap Around Heat Shield* High Quality Mounting Brackets* Zinc-Plated* 8.5 Inch* 180 Degree* For Heat Shields * Made In USA* Sold Individually* Warranty...09-0808155- SKU:
- 09-0808155
- Product Type:
- Exhaust
- Length Options:
- 8 1/2 Inch
- Material Options:
- Zinc
- Degree Options:
- 180
- Make:
- Universal Items
$39.99Qty in Cart: 0Price:$39.99Subtotal:
