Peterbilt 379 Parts
Find the best Peterbilt 379 aftermarket and custom parts in the business here at 4 State. The Peterbilt 379 is one of the most popular American owner-operator truck models of all time. Pete truck models are a brand of choice for experienced truckers who need dependable semi trucks. 4 State Trucks has all the aftermarket semi truck parts and accessories you need to make your Pete 379 stand out to showcase your unique personality. Whether you need bumpers, exhaust, or fuel tanks, we've got you covered. Hit the open road in style and comfort with the best custom gear for your Peterbilt heavy duty truck or 18 wheeler.
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Peterbilt 357, 378, 379 BESTfit 5 Inch Y Pipe Elbow Combo, Passenger Side, Replaces 14-15500
BESTFIT TRUCK PARTS
$1,399.99BESTfit Aluminized Steel Hi Mount Y Pipe Combo W/ 5 Inch ID Inlet & 5 Inch O.D. OutletsCrafted from robust aluminized steel and enhanced with a durable ceramic coating, this exhaust pipe guarantees exceptional heat resistance and longevity. Designed for...$1,399.99 -
Peterbilt BESTfit Chrome 8 Inch To 5 Inch Y Pipe For Long Leg
BESTFIT TRUCK PARTS
$682.99BESTfit Chrome Y-Pipe For Long Leg ElbowEnhance your exhaust system with our Chrome-Plated Steel Y-Pipes, designed for BESTfit Long Leg Elbows. Crafted from durable materials, these Y-Pipes feature an 8-inch to 5-inch outer diameter for optimal...$682.99 -
Peterbilt 378, 379, 389, 389 Glider Chrome 7 Inch To 5 Inch Y-Pipe For BESTfit Long Leg
BESTFIT TRUCK PARTS
$712.99BESTfit Y-Pipe Fits PeterbiltEnhance your exhaust system with our Chrome-Plated Steel Y-Pipes, designed for BESTfit Long Leg configurations. Crafted with precision, these Y-Pipes feature a 7-inch to 5-inch outer diameter and a 90-degree angle for optimal...$712.99 -
Peterbilt 378, 379, 389, 389 Glider Chrome 6 Inch Y-Pipe For BESTfit Long Leg
BESTFIT TRUCK PARTS
$550.99BESTfit Y-Pipe Fits PeterbiltThese Y-pipes are engineered from durable chrome-plated steel, ensuring longevity and corrosion resistance. With a 6-inch diameter and 5-inch inlet, they are designed specifically for BESTFIT Long Leg configurations. Sold...$550.99 -
Peterbilt 357 & 378 BESTfit 5 X 18 Inch Intermediate Pipe Replaces 14-13940-0460
BESTFIT TRUCK PARTS
$159.99BESTfit Intermediate Pipe Plain Fits PeterbiltIncorporate the Intermediate Plain Pipe into your vehicle's exhaust system for seamless connectivity. Measuring 5 inches by 18 inches, this pipe efficiently connects the driver side elbow to the exhaust tee...$159.99 -
BESTfit Air Bag - Replaces W013588008
BESTFIT TRUCK PARTS
$243.99BESTfit Air BagUpgrade your vehicle's suspension with our quality air bag. Designed for durability and performance, this aftermarket replacement part offers reliable support and enhanced ride comfort. Sold individually, it's the perfect solution for...$243.99 -
BESTfit Adjustable Linkage Kit With Rod For Air Level Valves
BESTFIT TRUCK PARTS
$14.37BESTfit Height Control Valve Linkage And Rod Kit, Replaces 03-05180Upgrade your height control valve system with our Adjustable Linkage Kit, meticulously engineered for optimal performance and versatility. This kit includes an 18-inch rod with ends and...$14.37 -
Fiberglass Wide Trim Full Radius Fender, 48.5 Inch Wide
WTI FENDERS
$445.99Black Single Axle Fender W/ Wide LipEnhance your vehicle's aesthetic with our Single Fender, crafted from durable fiberglass in sleek black. With dimensions measuring 27.25 inches in height, 30.5 inches in width, and 49 inches in length, this fender...$445.99 -
Peterbilt 379 BESTfit 5 Inch ID/O.D. 90 Degree Elbow Pipe, Replaces 14-13433
BESTFIT TRUCK PARTS
$80.37BESTfit Lower Elbow Below Turbo Frame PipeElevate your exhaust system with our Galvanized Steel Elbow Pipe, proudly made in the USA for superior quality and durability. Designed with precision, this elbow pipe features a 5-inch inside diameter measuring...$80.37 -
Peterbilt 379 BESTfit 5 Inch 75 Degree Aluminized Exhaust Elbow Below Turbo Pipe For Replaces 14-13395
BESTFIT TRUCK PARTS
$246.99Aluminized Steel 75 Degree Exhaust Elbow W/ 5 Inch I.D. Inlet & 5 Inch O.D. OutletUpgrade your exhaust system with our Aluminized Steel Exhaust Elbow. Crafted with precision from quality materials, this elbow features a 5-inch I.D. inlet and a 5-inch O.D...$246.99 -
Peterbilt BESTfit 5 Inch 90 Degree Lower Elbow Below Turbo Pipe Replaces 14-09456
BESTFIT TRUCK PARTS
$97.40Steel 90 Degree Elbow PipeUpgrade your engine setup with our durable Steel Elbow. With a 5-inch length and 90-degree angle, this elbow is designed for use below the turbo, ensuring optimal performance. Made in the USA and sold individually as an...$97.40 -
Freightliner BESTfit 5 Inch O.D. Chrome Y-Pipe, Replaces A04-13974-000
BESTFIT TRUCK PARTS
$477.99BESTfit Chrome-Plated Steel Y Exhaust Pipe W/ 5 Inch O.D. Inlet & OutletsUpgrade your exhaust system with this premium Exhaust Y-Pipe made of durable chrome-plated steel. Designed for optimal performance, it features a 5-inch outer diameter inlet and two...$477.99