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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On Sale
Steel 6 X 20 Inch Rectangle Step Plate Insert - Post Office Blue For Iowa Customs Series 1 Step
IOWA CUSTOMS
Now: $31.00Was: $50.42Step Plate Insert Post Office Blue With Concave Ends * High Quality Step Plate Insert* Galvanized Steel* Powder Coat Color - Post Office Blue* Fits Iowa Customs 6 Inch W X 20 Inch L S1 Style Step* Rectangle Shaped With Concave Ends* Made In USA* Sold...Now: $31.00Was: $50.42 -
Steel 6 X 20 Inch Rectangle Step Plate Insert - Gloss Black For Iowa Customs Series 1 Step
IOWA CUSTOMS
$56.27Step Plate Insert Gloss black With Concave Ends * High Quality Galvanized Steel Step Plate Insert* Powder Coat Color - Gloss Black* Fits Iowa Customs 6 Inch W X 20 Inch L S1 Style Step* Rectangle Shaped With Concave Ends* Made In USA* Sold Individually*...$56.27 -
Steel 6 X 20 Inch Rectangle Step Plate Insert - Crystal White For Iowa Customs Series 1 Step
IOWA CUSTOMS
$50.42Step Plate Insert Crystal White With Concave Ends * High Quality Galvanized Steel Step Plate Insert* Powder Coat Color - Crystal White* Fits Iowa Customs 6 Inch W X 20 Inch L S1 Style Step* Rectangle Shaped With Concave Ends* Made In USA* Sold...$50.42 -
Billet Step Plate 6 X 12 Inch Chrome Plated S1 Style
IOWA CUSTOMS
$302.99Step Plate Chrome Plated With Concave End * High Quality Billet Aluminum Step Plate * Color - Chrome Plated * Designed To Accept Colored Or Stainless Inserts, Sold Separately* Size:- 6 Inch Width- 20 Inch Length* Made To Fit Flat Surfaces Only* S1 Style...$302.99 -
Billet Step Plate 6 X 12 Inch Gloss Black S1 Style
IOWA CUSTOMS
$184.99Step Plate Powder Coated Gloss Black With Concave End * High Quality Step Plate * Billet Aluminum* Powder Coat Color - Gloss Black* Designed To Accept Colored Or Stainless Inserts, Sold Separately* Size:- 6 Inch Width- 12 Inch Length* Made To Fit Flat...$184.99 -
6 X 12 Inch Billet Aluminum Step Plate
IOWA CUSTOMS
$258.99Step Plate * Made of high quality billet aluminum* 12 inch x 6 Inch* Sold Individually* Warranty on step plate against defects in workmanship & material from date of purchase*** High Quality Aftermarket Replacement Part (Not OEM)***$258.99 -
Billet Step Plate 6 X 20 Inch Chrome Plated S1 Style
IOWA CUSTOMS
$315.99Step Plate Chrome Plated With Concave End * High Quality Billet Aluminum Step Plate * Color - Chrome Plated * Designed To Accept Colored Or Stainless Inserts, Sold Separately* Size:- 6 Inch Width- 20 Inch Length* Made To Fit Flat Surfaces Only* S1 Style...$315.99 -
Steel 4 X 20 Inch Rectangle Step Plate Insert - Red Baron For Iowa Customs Series 1 Step
IOWA CUSTOMS
$50.42Step Plate Insert Red Baron With Concave Ends * High Quality Galvanized Steel Step Plate Insert* Powder Coat Color - Red Baron* Fits Iowa Customs 6 Inch W X 20 Inch L S1 Style Step* Rectangle Shaped With Concave Ends* Made In USA* Sold Individually*...$50.42 -
Billet Step Plate 6 X 20 Inch Aluminum Finish S1 Style
IOWA CUSTOMS
$159.95Step Plate Billet Aluminum Finish With Concave End * High Quality Billet Aluminum Step Plate * Color - Billet Aluminum Finish* Designed To Accept Colored Or Stainless Inserts, Sold Separately* Size:- 6 Inch Width- 20 Inch Length* Made To Fit Flat...$159.95 -
Stainless Steel 9.75 X 36.75 Inch Air Tank Wrap For Peterbilt 379, 378, 386 & 389 - Pair
PHOENIX DESIGN
$210.999.75 X 36.75 Inch Stainless Steel Air Tank Wraps - Pair * High Quality Air Tank Wrap * Made Of Stainless Steel* 9.75 Inch Diameter X 36.75 Inch * Sold As Pair* Made In USA* Warranty On Air Tank Wrap Against Defects In Workmanship & Material From Date Of...$210.99 -
Stainless Steel 9.75 X 36.75 Inch Air Tank Wrap For Peterbilt 379, 378, 386 & 389
PHOENIX DESIGN
$108.999.75 X 36.75 Inch Stainless Steel Air Tank Wrap * High Quality Air Tank Wrap * Made Of Stainless Steel* 9.75 Inch Diameter X 36.75 Inch * Sold Individually* Made In USA* Warranty On Air Tank Wrap Against Defects In Workmanship & Material From Date Of...$108.99 -
Stainless Steel 9.75 X 28.75 Inch Air Tank Wrap For Peterbilt 379, 378, 386 & 389 - Pair
PHOENIX DESIGN
$151.999.75 X 28.75 Inch Stainless Steel Air Tank Wraps - Pair * High Quality Air Tank Wrap * Made Of Stainless Steel* 9.75 Inch Diameter X 28.75 Inch * Sold As Pair* Made In USA* Warranty On Air Tank Wrap Against Defects In Workmanship & Material From Date Of...$151.99