
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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Peterbilt Leak Defender Anti-Siphon Kit
HEAVY TRUCK SOLUTIONS
$409.89Peterbilt 3-Piece Fuel Neck Adapter Set W/ Collar, Fuel Cap, and Anti-Siphon DeviceEnhance your vehicle's fuel security with our Anti-Siphon Kit, crafted from billet aluminum for durability. This kit includes an anti-siphon mechanism, collar, fuel cap,...$409.89 -
Peterbilt 357, 365, 367, 378 & 379 30 Diode Amber LED Turn Signal Replaces 38550, P546063
AUTOMANN USA
$65.03- LED Turn Signal - 3 Wire Leads With Male Bullet Connector/Terminal - PC Lens With Epoxy Sealed Circuit Board - 3 Inch Height - Mounts On Side Of Driver Or Passenger Side Headlight Housing - 31 Diodes LED, 12V -...$65.03 -
Holes for 2-7 Way Merritt Connection Box
MERRITT
$570.99Merritt Connection Box With Holes for 2-7 Way - Connection Box - 2- 7 Way - Sold Individually - Aftermarket Replacement Part (Not OEM)$570.99 -
Fibertech Rear Frame Fiberglass Cover With 4 Rnd 4 Inch And 3 Rnd 2 Inch Light Cutouts
FIBERTECH
$395.99Fiberglass Rear Frame Cover With 4 Rnd 4 Inch And 3 Rnd 2 Inch Light CutoutsFiberglass Rear Frame Cover With 4 Rnd 4 Inch And 3 Rnd 2 Inch Light Cutouts$395.99 -
Fibertech Fiberglass Rear Frame Cover
FIBERTECH
$342.99Fiberglass Rear Frame Cover By Fibertech - Rear Frame Cover - Fiberglass - Blank- No Light Cutouts - Trimming May Be Necessary For Proper Fit - Sold Individually - Aftermarket Replacement Part (Not OEM)*** - This Item...$342.99 -
Peterbilt 2 X 24 Inch Stainless Accent Step Strips 16 Gauge With Double Sided Tape For 01-050100002 Battery Box Cover
FIBERTECH
$149.992 X 24 Inch Stainless Accent Step Strips 16 Gauge With Double Sided Tape For 01-050100002 Battery Box Cover For Peterbilt 379These stainless accent step strips are designed to fit the 01-050100002 battery box cover, providing a sleek and durable finish...$149.99 -
Peterbilt 378, 379, 386, 388, 389 Basic Flat Panel Day Cab Conversion Kit
FIBERTECH
$1,336.99Peterbilt Ultra Cab Basic Flat Panel Day Cab Conversion KitThis Day Cab Flat Panel Basic Conversion Kit is a convenient solution for converting select Peterbilt 378, 379, 386, 388, 389 models into day cabs. This aftermarket kit includes a one-piece...$1,336.99 -
Peterbilt 378, 379, 386, 388, & 389 Day Cab Flat Panel Basic Conversion Kit
FIBERTECH
$1,380.99Peterbilt 378, 379, 386, 388 & 389 Day Cab Flat Panel Basic Conversion KitThis Day Cab Flat Panel Basic Conversion Kit allows you to convert the sleeper cab of your Peterbilt truck into a day cab. It's compatible with models 378, 379, 386, 388, 389, and...$1,380.99 -
3 Inch Wide Sleeper Panel W/ 7 Amber/Clear M1 LEDs For Peterbilt 379 W/ 72 Inch Sleeper
MINIMIZER
$820.99Sleeper Panel W/ 7 Amber/Clear M1 LEDs Fits Peterbilt 379 W/ 72 Inch Sleeper * High Quality Sleeper Panel* 3 Inches Wide * 72 Inches Long* With 7 Amber/Clear M1 Style Lights Per Side * Sold Individually ** Warranty On Sleeper Panel Against Defects In...$820.99 -
CSM SS 6 Inch Wide X 54 Inch Tank Strap Kit For Peterbilt W/ 23 Inch Diameter Tanks
CHROME SHOP MAFIA
$594.99Custom 6 Inch Wide Stainless Steel Tank Strap Kit For 23 Inch Peterbilt Tank - 54 Inch C to C Loop Length By Chrome Shop MafiaThe Chrome Shop Mafia strap kit for select Peterbilt trucks includes 2 straps and 2 t-bolts, perfect for fitting 23-inch...$594.99 -
Peterbilt 26 Inch 304 SS Fuel Tank Strap Kit 8 Inch Wide By CSM
CHROME SHOP MAFIA
$659.99Custom Wide Stainless Steel Tank Strap Kit For 26 Inch Peterbilt Tank By Chrome Shop Mafia * High Quality Fuel Tank Strap Kit* Includes:- (2) Straps - (2) 2 T Bolts * Made Of Polished 304 Stainless Steel* 8 Inch Width* Fits 26 Inch Diameter Tanks* Fits...$659.99 -
CSM SS 6 Inch Wide X 52 Inch Tank Strap Kit For Peterbilt W/ 23 Inch Diameter Tanks
CHROME SHOP MAFIA
$579.99Custom 6 Inch Wide Stainless Steel Tank Strap Kit For 23 Inch Peterbilt Tank - 52 Inch C to C Loop Length By Chrome Shop Mafia * High Quality Tank Strap Kit* Made Of Polished 304 Stainless Steel* Includes- 2 Straps- 2 T-Bolt* Strap 6 Inch Width * 52 Inch...$579.99