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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Lower Dash Trim Behind Clutch For Peterbilt
ROADWORKS
$16.31Lower Dash Trim Fits Petebilt * High Quality Lower Dash Trim * Made Of Stainless Steel* Behind Clutch Trim* Made In USA* Sold Individually* Warranty On Lower Dash Trims Against Defects In Workmanship & Material From Date Of Purchase***High Quality...$16.31 -
2 Inch 0-1800 Degree Pyrometer W/ Chrome Bezel
ISSPRO
$155.992 Inch Round Chrome Plated PyrometerAvoid serious engine damage by monitoring the EGTs with this 2 inch aftermarket Isspro universal Pyrometer. It has a chrome ring around the face and features a 0-1800 degree F scale. The Pyrometer utilizes a K...$155.99 -
Rockwood Chrome Rocker Switch Cover, 6 Pack For Peterbilt
ROCKWOOD
$26.99Chrome Plastic Rocker Switch CoversProtect your rocker switches in your Peterbilt truck with these durable covers by Rockwood products. They are made of a shiny chrome plated plastic and sold as a pack of 6. All Rockwood Products are proudly crafted with...$26.99 -
Headlight Clip Set For Peterbilt
UNITED PACIFIC
$2.03Headlight Clip Set Fits PeterbiltDesigned as a direct replacement for worn or damaged headlight clips, this clip set offers reliability and durability. Each set includes two pieces, providing a complete solution for securing your headlight assembly in...$2.03 -
BESTfit Aluminum 150 Gallon Hydraulic Split Tank, 26 X 72 Inch OAL, Passenger Side For Peterbilt
BESTFIT TRUCK PARTS
$1,299.99BESTfit Peterbilt Split Fuel Hydraulic TankOptimize your fuel and hydraulic systems with our Aluminum Split Tank, an aftermarket replacement part, not OEM. This tank features a user-friendly Sight Glass and a Vented Filler Cap for convenience, housed...$1,299.99 -
BESTfit Bump Stop Replaces 01-52865 For Peterbilt New Low Air Leaf Suspensions
BESTFIT TRUCK PARTS
$68.64BESTfit Frame-Mount Bump Stop Fits Peterbilt New Low Air Leaf Suspensions * High Quality Bumper Stop* Mounts To Frame* Stops Suspension Spring Travel* Sold Individually* Warranty On Bumper Stop Against Defects In Workmanship & Material From Date Of...$68.64 -
BESTfit U-Bolt Saddle For Use With 01-051017 Cast Eye Replaces 03-01657 & 03-07865 For Peterbilt Rear Air Leaf Suspension
BESTFIT TRUCK PARTS
$26.51BESTfit U-Bolt Saddle For Use With 01-051017 * High Quality U Bolt Saddle* Cast Eye * Rear Air Leaf* Sold Individually* Warranty On U Bolt Saddle Against Defects In Workmanship & Material From Date Of Purchase***High Quality Aftermarket Replacement Part...$26.51 -
BESTfit Exterior Door Handle Gasket Replaces 20-10967 For Peterbilt 359, 378 & 379
BESTFIT TRUCK PARTS
$5.09BESTfit Exterior Door Handle Gasket Fits Peterbilt 359, 378 & 379Discover our Door Handle Gasket, crafted from durable foam with an adhesive back for easy installation. Designed to fit both driver and passenger sides, this gasket ensures a snug seal for...$5.09 -
Peterbilt 357, 377, 378, 379 BESTfit 85 Degree Turbo Pipe, Replaces 14-13002
BESTFIT TRUCK PARTS
$89.99Aluminized Steel 85 Degree Turbo Pipe With 5 Inch ODEnhance your exhaust system with our Aluminized Steel Pipe, boasting a 5-inch outer diameter and an 85-degree angle for optimal fit and performance. Crafted in the USA and sold individually as an...$89.99 -
7 X 15 Inch Brake Drum - Replaces 2308400, HWI633049, 3219A, 61577, 61577F
AUTOMANN USA
$287.997 X 15 Inch Brake Drum * High Quality Brake Drum* Dimensions- 15 Inch Length- 7 Inch Height- 15 Inch Brake Surface Diameter- 10.59 Inch Overall Depth- 7.75 Inch Brake Surface flat- 18.780 Inch Pilot Diameter* 10 Bolt Holes* Brake Size 15.000 Inch X 7.000...$287.99 -
20 X 4 Inch Stainless Steel Curl-Free Mud Flap Weights
IOWA CUSTOMS
$95.99Curl-Free Mud Flap WeightIowa Customs Curl-Free flap weights eliminate the dreaded mud flap curl and keep them in place. They are made of stainless steel and have a rectangle design. Sold in pairs, each weight measures 20 inches long and 4 inches tall...$95.99 -
Chrome Multi-Bend Economy Elbow Replaces 14-13845RC For Peterbilt 377, 378, 379 Passenger Side
TPHD
$259.99Multi-Bend Economy Exhaust Elbow Fits Peterbilt 378 & 379 Passenger Side * High Quality Elbow* Made Of Chrome Plated Steel* Multi-Bend Economy Style * With Seam Between Bends* Fits Passenger Side, Bottom Of Muffler* Measurements:- 7.91 Inch Width- 8.15...$259.99