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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Bulldog HD Rear Shock Absorber 10.87 Replaces 03-05106, 03-05384, 03-06084 For Peterbilt
BULLDOG HD SHOCKS
$56.65Heavy Duty Shock Absorber Fits Peterbilt 330, 362, 377, 378, 379, 386, 387 & 587Bulldog HD shocks are fleet tested and approved. This is a premium rear replacement shock reengineered to be better than the factory part that came with your truck. It...$56.65 -
Bulldog HD Rear Shock Absorber 8.9 Stroke Replaces 03-04629, 03-07281, 03-07421 For Peterbilt
BULLDOG HD SHOCKS
$68.73Heavy Duty Shock Absorber Fits Peterbilt 330, 335, 359, 362, 375, 377, 378, 379, 386, 389, 567 & 587Bulldog HD shocks are fleet tested and approved. This is a premium rear replacement shock reengineered to be better than the factory part that came with...$68.73 -
Bulldog HD Rear Shock Absorber 9.02 Stroke Replaces 03-04629, 03-07281, 03-07421 For Peterbilt
BULLDOG HD SHOCKS
$58.17Heavy Duty Shock Absorber Fits Peterbilt 362, 375, 377, 378, 386, 387 & 587Bulldog HD shocks are fleet tested and approved. This is a premium rear replacement shock reengineered to be better than the factory part that came with your truck. It features a...$58.17 -
Bulldog HD Cab Shock Absorber For Peterbilt 357, 367, 375, 377, 378, 379, 386, 389
BULLDOG HD SHOCKS
$56.34Bulldog Heavy Duty Cab Shock Absorber Replaces 29-02455, 654782, R71-6007Bulldog HD Cab Shock Absorbers is a premium replacement part, isolating the cab from the frame to prevent road induced noise, vibration and harshness from reaching the driver...$56.34 -
Bulldog HD Front Shock Absorber Replaces 02-01890, 02-02225, 02-02738 For Peterbilt
BULLDOG HD SHOCKS
$80.11Heavy Duty Shock Absorber Fits Peterbilt 362, 375, 377, 378, 379, 385 & 386Find premium shock replacements for your truck at 4 State Trucks. We carry these front Bulldog Heavy Duty Shocks, reengineered to last longer and perform better than the part that...$80.11 -
Stainless Steel 2 Step Crossmember Frame Steps For 7.875 Inch Bolt Spacing For Peterbilt
ROADWORKS
$498.992 Step Cross Member Frame Steps For Peterbilt With 7.875 Bolt Spacing * High Quality Crossmember Frame Step * Made Of Stainless Steel * Two Steps * 7.875 Bolt Spacing * Sold Individually * Warranty On Crossmember Frame Step Against Defects In Workmanship...$498.99 -
18 X 27 Inch Vertical Diamond Pattern Quilted Vinyl Fender Guard W/ Snaps On Side, Top - Wine Color
ROBERT JAMES ENTERPRISES
$155.99Wine Colored Quilted Vinyl Fender Guard W/ Snaps On Side & Top - Not BottomAdd an extra layer of protection to your fenders with this pair of front fender covers by Robert James Enterprises. They are made of wine colored quilted vinyl with a diamond...$155.99 -
18 X 32.5 Inch Vertical Diamond Pattern Quilted Vinyl Fender Guard W/ Snaps On Side, Top - Wine Color
ROBERT JAMES ENTERPRISES
$241.99Wine Colored Quilted Vinyl Fender Guard W/ Snaps On Side & Top - Not BottomAdd an extra layer of protection to your fenders with this pair of front fender covers by Robert James Enterprises. They are made of wine colored quilted vinyl with a diamond...$241.99 -
CSM SS 5 X 36 Inch Sleeper Panels For Peterbilt
CHROME SHOP MAFIA
$264.995 Inch Sleeper Panels Fits Peterbilt 36 Inch Bunk By Chrome Shop Mafia * Made of High Quality 304 Stainless Steel* Fits 36 Inch Unibilt Bunks* 5 Wide* Sold As Pair* Warranty On Extender Panels Against Defects In Workmanship & Material From Date Of...$264.99 -
On Sale
CSM Aluminum 5 X 36 Inch Standard Wrap Sleeper Panels For Peterbilt
CHROME SHOP MAFIA
Now: $93.24Was: $251.99Sleeper Panels Fits Peterbilt By Chrome Shop Mafia * Made Of High Quality Aluminum* Standard Wrap* 5 Inch Wide X 36 Inch Long* Sold As Pair* Warranty On Sleeper Panels Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...Now: $93.24Was: $251.99 -
3.5 X 63 Inch Stainless Steel Sleeper Panel W/ 7 Amber LED Clear Lens Lights For Peterbilt
TRUX ACCESSORIES
$441.99Best Fit 63 Inch Sleeper Panels W/ 14 Amber/Clear Lights Fits Peterbilt 300 SeriesThis pair of quality sleeper panels fit Peterbilt models with a 63 inch sleeper. They mount underneath the sleeper and have a smooth stainless steel 3 inch face. Each panel...$441.99 -
Stainless Steel Sleeper Extension W/ Six 2 Inch Round Light Holes For Peterbilt 359, 378, 379, 388, 389, 389 Glider W/ 63 Inch Sleeper
ROADWORKS
$97.99RoadWorks SS Sleeper Extension Panels W/ 2 Inch Round Light Holes * High Quality Sleeper Extension* Made Of Stainless Steel* (6) 2 Inch Round Light Holes * Fits 63 Inch Sleepers * Sold As Pair * Warranty On Sleeper Extensions Against Defects In...$97.99