Peterbilt 357/378 Parts
Find the best Peterbilt 378 aftermarket parts in the business here at 4 State. The Peterbilt 378 semi truck represents all of the characteristics of the Peterbilt brand, and was a popular model with similar features to the Peterbilt 379. Pete truck models are a brand of choice for experienced truckers who need dependable semi trucks. 4 State Trucks has all the semi truck parts and accessories you need to make your Pete 378 stand out to showcase your unique personality. Whether you need aftermarket 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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FASS Mounting Package For Fuel Pumps For Class 8 Trucks Titanium Universal High Pressure
FASS
$32.99Mounting Package For Fuel Pumps Fits Class 8 Trucks * High Quality Mounting Package* For Fuel Pump For Class 8 Trucks* Titanium Universal High Pressure* Made In The USA* Sold Individually* Warranty On Mounting Packages Against Defects In Workmanship &...$32.99 -
24 X 6 Inch Black Rubber Peterbilt Logo Mud Flap
OPP - ORIGINAL PARTS PROGRAM
$33.65Ribbed Black Rubber Peterbilt Logo Mud Flap With Fiberglass Reinforcement * High Quality Mud Flap* Made Of Rubber* Black* 6 Inch Height* 24 Inch Width* 1/4 Inch Thick* Ribbed * Black With Red & White Peterbilt Logo* With Fiberglass Back Reinforcement*...$33.65 -
Stainless Steel 5 Inch Chop Top Window Panels For Peterbilt 330, 335, 359, 375, 377, 378, 379 W/ Door Mounted Mirrors
TRUX ACCESSORIES
$99.99SS Upper Door Trim Fits PeterbiltGive Your Truck A Chopped Look With This Pair Of 5-Inch Top Of Door Trim. They Fit Peterbilt 330, 335, 359, 362, 375, 377, 378, And 379 Models With Door-Mounted Mirrors. Each Trim Is Made Of Polished Stainless And Easily...$99.99 -
Rockwood Stainless Steel Parking Brake Plate For Peterbilt
ROCKWOOD
$25.99SS Parking Brake Control PlateAccent and protect the area around your air brake knobs on your Peterbilt dash with this high quality statement plate. Made of stainless steel, it is engraved with a reminder to apply the parking brake before leaving the...$25.99 -
Rockwood Toggle Switch Nuts For Peterbilt
ROCKWOOD
$20.99Toggle Switch Face NutsThis pack of 4 high quality face nuts by Rockwood Products are used for toggle switches. The nuts are constructed of durable material and are made in the USA. * High Quality Face Nuts* Used For Toggle Switches* Made In The USA* 4...$20.99 -
Rockwood Stainless Steel Ignition Switch ID Plate For Peterbilt
ROCKWOOD
$9.99SS Ignition Key Switch ID PlateProtect and label your Peterbilt ignition switch with this luxury ID plate by Rockwood Products. It is made of stainless steel and engraved with a cursive font. The plate is made in the USA and is sold individually. * High...$9.99 -
BESTfit Rubber Round Seal For Passenger Door View Window, For Peterbilt 375, 377, 378, 379
BESTFIT TRUCK PARTS
$56.91BESTfit Old Style Rubber Seal With Round Edges For Peterbilt Passenger Door View Window * High Quality Seal* Made Of Rubber* Fits Between Glass And Door * With Round Ends* For Passenger Door View Window* Sold Individually* Warranty On Rubber Seal Against...$56.91 -
BESTfit Polished Aluminum Mounting Bracket For Dual Square Headlights For Peterbilt 359, 379
BESTFIT TRUCK PARTS
$289.99BESTfit Polished Aluminum Dual Square Headlight Mounting Bracket * High Quality Mounting Bracket* Made Of Polished Aluminum* For Dual Square Headlamps* Sold Individually* Warranty On Mounting Bracket Against Defects In Workmanship & Material From Date Of...$289.99 -
BESTfit Hydraulic Tank Mounting Kit For Rectangular Top Of The Frame Style
BESTFIT TRUCK PARTS
$41.81BESTfit Rectangular Top-Of-Frame Style Hydraulic Tank Mounting Kits * High Quality Mounting Kit* Hydraulic* Rectangular Top Of The Frame Style* Sold As Kit* Warranty On Hydraulic Tank Mounting Kit Against Defects In Workmanship & Material From Date Of...$41.81 -
BESTfit AC Evaporator For Red Dot Sleeper Unit
BESTFIT TRUCK PARTS
$186.99BESTfit AC Evaporator Fits Peterbilt, Freightliner & Western Star With Red Dot Sleeper * High Quality Evaporator* 8 Inch Height* 3 1/8 Inch Width* 8 MM O Ring Inlet / Outlet* Type Tube-Fin* R12/R134a* Sold Individually* Warranty On Evaporator Against...$186.99 -
BESTfit Torque Rod For Peterbilt & Kenworth With Flex Air, AG380, AG210L & AG400L Suspensions
BESTFIT TRUCK PARTS
$103.99BESTfit Torque Rod Replaces OE C65-6013-0000006-49 & TR030020010Upgrade your vehicle's suspension system with our torque rod, designed for durability and performance. With a sturdy shaft diameter of 1-1/4 inches and a length of 25.562 inches, this...$103.99 -
BESTfit Black Poly Hood Guide Grommet Replaces 13-03170 & 13-03425 For Peterbilt 359
BESTFIT TRUCK PARTS
$16.72BESTfit Hood Guide Grommet Fits Peterbilt 359Our quality hood guide is crafted from durable black polyurethane, ensuring longevity and reliability. Made in the USA with precision engineering, each hood guide is sold individually, providing a reliable...$16.72