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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Lincoln Chrome 8 Inch Angled Exhaust Mounting Clamp For Peterbilt 377, 378, 379, 386, 388, 389
LINCOLN CHROME
$160.99Chrome Plated SS Wide Style Angled Exhaust Mounting Clamp Replaces OE Number 50BJ-APB800SCPThe stainless steel clamp by Lincoln Chrome features a 3-inch wide band and an angled design, providing excellent coverage for your stack seam. It securely fits...$160.99 -
Chrome SS 7 Inch Wide Angled Mounting Clamp For Peterbilt 377, 378, 379, 386, 388, 389
UNITED PACIFIC
$113.99Peterbilt Chrome Plated Stainless Steel Angled Exhaust Mounting ClampThis 7-Inch Wide Band Clamp With An Angled Mounting Plate Wraps Around The Stack And Attaches The Bracket To The Truck. Fit For Peterbilt Models, It Is Made Of Stainless Steel And Then...$113.99 -
Lincoln Chrome 7 Inch Angled Exhaust Mounting Clamp For Peterbilt 377, 378, 379, 386, 388, 389
LINCOLN CHROME
$151.99Chrome Plated SS Wide Style Angled Exhaust Mounting Clamp Replaces OE Number 50BJ-APB700SCPThe stainless steel clamp by Lincoln Chrome features a 3-inch wide band and an angled design, providing excellent coverage for your stack seam. It securely fits...$151.99 -
Chrome Plated SS Angled Mounting Clamp, 6 Inch For Peterbilt 377, 378, 379, 386, 388, 389
UNITED PACIFIC
$98.99Chrome Plated Stainless Steel Wide Style Exhaust Mounting Clamp With 6 Inch DiameterMade of stainless steel, this strong clamp wraps around the stack and attaches the bracket to the truck. It is sold individually and backed by a warranty to cover defects...$98.99 -
BESTfit 5 Inch Multi-Bend Down Pipe, Replaces 14-15073 For Peterbilt 357, 377, 378, 379
BESTFIT TRUCK PARTS
$249.99BESTfit Aluminized Steel 90 Degree Exhaust Down PipeLooking for a high-quality replacement down pipe for your Peterbilt 377, 378, or 379 models? The 5 Inch Multi-Bend Down Pipe, replaces OE numbers 14-15073, 1415073, EP50-EL90124A, and EP50EL90124A, is...$249.99 -
3.5 X 48 Inch Stainless Steel Sleeper Panels W/ 10 - 2 Inch Amber LEDs
TRUX ACCESSORIES
$299.99Sleeper Panels Fits PeterbiltDo you want to brighten up your 48 inch Peterbilt sleeper? Elite Truck Accessoriescan help you illuminate your truck with this pair of shiny stainless steel panels. Each panel features 5 amber 2- inch diode lights with amber...$299.99 -
On Sale
3.5 X 36 Inch Stainless Steel Sleeper Panels W/ 8 - 2 Inch Amber LEDs
TRUX ACCESSORIES
Now: $189.69Was: $270.99Sleeper Panels Fits PeterbiltDo you want to brighten up your 36 inch Peterbilt sleeper? Elite Truck Accessoriescan help you illuminate your truck with this pair of shiny stainless steel panels. Each panel features 4 amber diode lights with ribbed lenses...Now: $189.69Was: $270.99 -
On Sale
CSM SS 7 X 70 Inch Wing Extender Panel For Peterbilt
CHROME SHOP MAFIA
Now: $20.25Was: $134.99Wing Extender Panel Fits Peterbilt 70 Inch Unibilt Sleepers By Chrome Shop Mafia * Made Of High Quality Stainless Steel* Fits 70 Inch Unibilt Bunks* 7 Wide* Sold As Pair* Warranty On Extender Panels Against Defects In Workmanship & Material From Date Of...Now: $20.25Was: $134.99 -
CSM 7 X 70 Inch Sleeper Wing Extender For Peterbilt 379, 378, 386 & 389 Glider
CHROME SHOP MAFIA
$66.2970 Inch Sleeper Wing Extender Fits Peterbilt By Chrome Shop Mafia * High Quality Sleeper Wing Extender* Made Of Wide Aluminum* 70 Inch* Sold As Pairs* Warranty On Sleeper Wing Extenders Against Defects In Workmanship & Material From Date Of...$66.29 -
Stainless Steel Sleeper Extension With 2 Amber LEDs For 70 Inch Sleeper For Peterbilt
TRUX ACCESSORIES
$161.99Sleeper Extension Fits PeterbiltAdd some shine to your truck with this pair of LED hood extensions. Each panel is made with polished stainless steel and has 1 round 2-inch amber light. The extensions fit Peterbilt models 359, 377, 378, 379, 386, 388, and...$161.99 -
Stainless Steel Cowl Extension Panels For Peterbilt 379
ROADWORKS
$199.99Blank Stainless Steel Cowl Extension Panels * High Quality Cowl Extension Panel * Made Of Stainless Steel * Rectangular * Blank* Made In USA* Sold As Pair* Warranty On Cowl Extension Panel Against Defects In Workmanship & Material From Date Of...$199.99 -
SS Wide Cowl Panel W/ 8 Flat Amber Lights For Peterbilt
ROADWORKS
$289.99Stainless Steel Cowl Panel W/ Lights Fits PeterbiltThis High Quality Stainless Steel Wide Cowl Panel That Fits Peterbilt 378 And 379 Models Has 4 - 2 Inch Round Lights On Each Panel. The Panel Is Made In The USA And Comes With A Limited Lifetime Warranty...$289.99