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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Cab Panels W/ 12 - 2 Inch Round Light Holes For Peterbilt 359, 378, 379, 388 & 389
ROADWORKS
$133.9912 - 2 Inch Round Light Hole Cab Panel Fits Peterbilt * High Quality Cab Panels* 12 - 2 Inch Round Light Holes* Sold As A Pair* Warranty On Cab Panels Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement...$133.99 -
Load Light Bracket For Rear Of Cab Or Sleeper For Peterbilt
TURNPIKE TRUCK TRIM
$56.99Load Light Bracket Fits Peterbilt * High Quality Light Bracket* For Rear Of Cab Or Sleeper* Could Require Drilling New Holes On New Trucks. * Made In USA* Sold Individually* Warranty On Light Bracket Against Defects In Workmanship & Material From Date Of...$56.99 -
CSM SS 24 Inch Permit Plate For Peterbilt 359, 378, 379, 388 & 389
CHROME SHOP MAFIA
$78.12Tool Box Permit Plate Fits Peterbilt By Chrome Shop Mafia * Made Of High Quality Stainless Steel* Fits Also CSM Style Boxes* 24 Inch Length* Sold Individually* Warranty On Permit Plates Against Defects In Workmanship & Material From Date Of...$78.12 -
CSM Smooth Aluminum Battery Box W/ T-Latch Handles For Old Style Peterbilt 359, 378, 379, 386
CHROME SHOP MAFIA
$649.99Aluminum Battery Box With No Top Step By Chrome Shop Mafia FitsAre you looking for a solid battery box for your Peterbilt truck? Elite Truck Accessoriesoffers this quality old-style battery box that is made out of smooth and paintable aluminum. It comes...$649.99 -
A/C High Side Port Caps - 16 mm, Red, 10 Pack
AUTOMANN USA
$9.89Red 16 mm A/C High Side Port Caps * High Quality Port Cap* Red * 16 MM * 10 Pack * Sold Individually* Warranty On Port Caps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)****...$9.89 -
6 Inch Rubber Hump Hose Replaces 1AAA27 For Peterbilt 378
AUTOMANN USA
$31.276 Inch Rubber Hump Hose Fits Peterbilt 378 * High Quality Rubber Hump Hose* 6 Inch ID* 6 Inch Length* Sold Individually* Warranty On Rubber Hump Hoses Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement...$31.27 -
Windshield Washer Pump Motor For Kenworth & Peterbilt
AUTOMANN USA
$15.39Windshield Washer Pump Motor Fits Kenworth And Peterbilt * High Quality Pump Motor* Mounts In The Bottom Of Washer Reservoir* Sold Individually* Warranty On Pump Motors Against Defects In Workmanship & Material From Date Of Purchase***High Quality...$15.39 -
Window Washer Reservoir Cap Replaces FLM-06361, 25133601 & 63361 For Peterbilt & Freightliner
TPHD
$5.48Direct Replacement Window Washer Reservoir CapThis durable washer fluid reservoir cap is designed to match the fit and function of the original cap on specified vehicles. It is a reliable replacement for a cracked, missing, or damaged caps. This cap is...$5.48 -
Chrome Aluminum Foot Rest
GRAND GENERAL
$46.98Foot Rest * Made Of High Quality Chrome Aluminum* Sold Individually* Warranty On Foot Rest Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)***$46.98 -
Black Gauge Mounting Bracket 2 1/16 Inch
ISSPRO
$20.39Gauge Mounting Bracket * High Quality Mounting Bracket* Single Hole* Black Finish* 2 1/16 Inch Gauge* Sold Individually* Warranty On Mounting Bracket Against Defects In Workmanship And Material From Date Of Purchase*** High Quality Aftermarket...$20.39 -
2 1/6 Inch Digital Load Gauge W/ Black Bezel
TELTEK
$241.99Digital Load Gauge W/ Black BezelFind aftermarket digital load gauges for your big rig at 4 State Trucks. This load gauge is designed to fit standard 2 1/16 inch diameter holes and will display actual pounds of weight on your air suspension to the...$241.99 -
2 1/6 Inch Digital Outside Temperature Gauge W/ Black Rim
TELTEK
$105.99Digital Outside Temperature GaugeKnow the temperature outside of your cab with this quality digital temperature gauge. It has a range of -99 degrees F up to 150 degrees F and is designed to fit 2 1/16 inch diameter holes. The gauge features a black rim...$105.99