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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BESTfit Windshield Washer Reservoir For Peterbilt 330, 357, 375, 377, 378, 379
BESTFIT TRUCK PARTS
$63.99BESTfit Peterbilt Direct Replacement Plastic Windshield Washer ReservoirOur plastic Reservoir serves as a direct replacement for your vehicle's existing unit, offering heat-resistant properties for optimal performance. This complete assembly includes...$63.99 -
BESTfit 1/2 X 6 Inch Center Bolt With 3/4 Inch Head For Front Spring
BESTFIT TRUCK PARTS
$5.09BESTfit Trailer Leaf Spring Center Tie BoltElevate your vehicle's suspension with this aftermarket replacement Center Bolt designed for the front spring. Measuring 1/2 inch in diameter and 6 inches in length, this fine-pitch bolt ensures a secure and...$5.09 -
Peterbilt 379 & 378 BESTfit Fiberglass Front Fender Liner
FIBERTECH
$109.99BESTfit Front Fender Liner, Replaces 15-06080Upgrade your vehicle's fender protection with our aftermarket Fender Liner. Crafted from durable fiberglass, this replacement part is designed for both the driver and passenger sides. Made in the USA, it...$109.99 -
24” Bottom Mud Flap Plates - Texas
GRAND GENERAL
$14.23Material: 11.5 gauge chrome plated steelSize: 4" (H) x 24" (W) Installation: 3 studs welded on back Mounting hardware included Unit & Package: Sold by each, color display bag$14.23 -
Mini Torpedo Cab Light Housing For Mini Hero Watermelon Lights
ROADWORKS
$57.99RoadWorks Chrome Mini Torpedo Cab Light Housing * High Quality Cab Light Housing* For Mini Hero Lights* Made In USA* Sold Individually* Warranty On Cab Light Housings Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...$57.99 -
304 SS Antenna Bracket For Rear Of Sleeper
JML KUSTOMS
$42.9914 Gauge Stainless Steel Antenna Bracket * High Quality Antenna Bracket* Made Of 14 Gauge 304 Stainless Steel * For Rear Of Sleeper * Sold Individually * Warranty On Antenna Brackets Against Defects In Workmanship & Material From Date Of Purchase*** High...$42.99 -
30 X 11 Inch Flexible Rubber Step With Galvanized Steel Diamond Deck Tread
AFTERMARKET
$227.99Flexible Rubber Step With Diamond Plate Deck Tread * High Quality Flexible Belted Rubber Step* Galvanized Step* Made Of Carbon Steel* Dimensions- 30 Inch Width- 4.75 Inch Depth- 11 inch Step Height- 1.88 Inch Step Thickness * Bolt On Or Weld On* Resists...$227.99 -
Bronze Bushing, 1-3/4 X 1-1/2 X 4 Inch
AUTOMANN USA
$10.19Rear 4 Inch Bronze Bushing * High Quality Bronze Bushing* 1-3/4 Inch OD* 1-1/2 Inch ID * 4 Inch Length* Sold Individually* Warranty On Bronze Bushings Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement...$10.19 -
1.794 X 9.06 Inch King Pin Kit W/ 460.T182S Bearing - Replaces 328342, 5012205, 5301201, 85105491, R200281
AUTOMANN USA
$175.991.794 X 9.06 Inch King Pin Kit W/ 460.T182S Bearing * High Quality King Pin Kit* With 460.T182S * Bearing 1.794 Inch X 9.06 Inch * King Pin Uses 467.209 * Bushings Type- Sd * Bushing Type- Bronze * OD -1.794 Inch * Length- 9.05 Inch * Thrust Bearing- 460...$175.99 -
12.795 Inch Wabco Air Disc Rotor W/ 17 Threaded Bolt Holes - Replaces M44D75180
AUTOMANN USA
$239.9912.795 Inch Wabco Air Disc Rotor W/ 17 Threaded Bolt Holes * High Quality Air Disc Rotor * 12.795 Inch * Threaded Bolt Holes * Disc Brake Shape- U Shape * Disc OD - 12.795 Inch * Overall Depth- 5.848 * Inch Bolt Circle- 7.717 Inch * Hole Diameter- M14 X...$239.99 -
Aluminum 18 Inch Recessed Air Line Box Sectionalized Deck Plate W/ Trailer Air, 7-Way, Hydraulic Hookups
IOWA CUSTOMS
$411.9918 Inch Smooth Aluminum Recessed Air Line Box Sectionalized Deck Plate W/ Trailer Air, 7-Way, Hydraulic HookupsOrganize connectors on the back of your truck with this 18 inch recessed air line box by Iowa Customs with pre-cut openings for trailer air, a...$411.99 -
Windshield Wiper Motor Replaces 18-03676 For Peterbilt 379, 386, 388 & 389
AUTOMANN USA
$148.99Electric Wiper Motor Fits Peterbilt 379/386/388/389 * High Quality Wiper Motor* 8 Inch Length* 3.5 Inch Height* 5 Pin Plug* Sold Individually** Please Verify OE Numbers and Style Before Purchasing This Part, There May Be More Than One Option For Your...$148.99