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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Herd Texas Grille Guard Bumper 4 Horizontal Posts W/ Slam Latch, Lift Assist, Oval Turn Lights For Peterbilt 378/379
HERD BUMPERS
$6,547.99Peterbilt 378/379 Herd Texas Grille Guard Bumper 4 Horizontal Posts * High Quality Grille Guard* Features:- 4 Fully Boxed In Uprights - 18 Inch Extruded Aluminum Bumper - 3 Inch Horizontal Tubes ? Side And Center- Without Eyebolts - Impact Plates...$6,547.99 -
Peterbilt 379 & 378 Road Train Grille Guard W/ Slam Latch, Oval Turn Lights, Row Of 2 Inch Rnd Lights By Herd
HERD BUMPERS
$6,873.99Peterbilt Horizontal bar Grille Guard W/ Slam Latch, Oval Turn Lights, Row Of 2 Inch Rnd Lights * High Quality Grille Guard* Optional Features:- Slam Latch - Row Of 2 Inch Round Lights- Oval Turn Lights- Road Train Standard Features - (4) Fully Boxed-In...$6,873.99 -
Herd Defender 4 Post Grille Guard Bumper W/ Horizontal Bars, Lift Assist, Slam Latch, & 6 Inch Oval Turn Signal Lights For Peterbilt 378, 379
HERD BUMPERS
$5,677.99Peterbilt Horizontal Bar Bumper Grille Guard W/ Lift Assist, Slam Latch, & 6 Inch Oval Turn Signal Lights * High Quality Grille Guard* Features:- (4) Fully Boxed-In Uprights - 12 Inch Extruded Aluminum Bumper - 3 Inch Horizontal Tubes - Side And Center -...$5,677.99 -
Herd Defender 4 Post Grille Guard Bumper W/ Horizontal Bars, 6 Inch Oval Turn Signal Lights For Peterbilt 378, 379
HERD BUMPERS
$5,259.99Peterbilt Horizontal Bar Bumper Grille Guard W/ 6 Inch Oval Turn Signal Lights * High Quality Grille Guard* Horizontal Grille Bars* Features: - (4) Fully Boxed-In Uprights - 12 Inch Extruded Aluminum Bumper - 3 Inch Horizontal Tubes - Side And Center -...$5,259.99 -
Herd Defender 4 Post Grille Guard W/ Slam Latch, Turn Signals, 6 Inch Oval Clear Lens Lights For Peterbilt 378 & 379
HERD BUMPERS
$5,487.99Grille Guard W/ Extruded Aluminum Bumper, Lower Rake, 4 Boxed-In Uprights & 3 Inch Horizontal TubesAt 4 State Trucks we carry a variety of grille guards including this Herd Defender 4 Post Grille Guard that fits Peterbilt 378/379 trucks. The 12 inch...$5,487.99 -
Day Cab Extended Complete Conversion Kit With Tan Interior For Peterbilt 378, 379, 386, 388, 389 Regular Cab
FIBERTECH
$4,344.99Day Cab Extended Complete Conversion Kit * High Quality Extended Conversion Kit* Includes:- 3 Piece 6 Inch Fiberglass Cab Extension- Bonded 1 Inch x 2 Inch Aluminum Bracing- Fiberglass Interior Window Trim- 19 Inch x 36 Inch Rear Window Glass- Window...$4,344.99 -
Day Cab Extended Complete Conversion Kit With Light Gray Interior For Peterbilt 378, 379, 386, 388, 389 Regular Cab
FIBERTECH
$4,344.99Day Cab Extended Complete Conversion Kit * High Quality Extended Conversion Kit* Includes:- 3 Piece 6 Inch Fiberglass Cab Extension- Bonded 1 Inch x 2 Inch Aluminum Bracing- Fiberglass Interior Window Trim- 19 Inch x 36 Inch Rear Window Glass- Window...$4,344.99 -
Day Cab Extended Complete Conversion Kit With Black Interior For Peterbilt 378, 379, 386, 388, 389 Regular Cab
FIBERTECH
$4,344.99Day Cab Extended Complete Conversion Kit * High Quality Extended Conversion Kit* Includes:- 3 Piece 6 Inch Fiberglass Cab Extension- Bonded 1 Inch x 2 Inch Aluminum Bracing- Fiberglass Interior Window Trim- 19 Inch x 36 Inch Rear Window Glass- Window...$4,344.99 -
Peterbilt 378, 379, 386, 388, 389 Extended Basic Flat Panel Day Cab Conversion Kit
FIBERTECH
$2,567.99Peterbilt Ext. Cab Basic Flat Panel Day Cab Conversion KitGet a comfy ride with this 6-inch fiberglass cab extension for your Peterbilt 378, 379, 386, 388, 389, or 389 Glider. It adds 4 inches of legroom and features a rugged aluminum sub-structure for...$2,567.99 -
Day Cab Flat Panel Complete Conversion Kit With Tan Interior For Peterbilt 378, 379, 386, 388, 389 Regular Cab
FIBERTECH
$2,637.99Day Cab Flat Panel Complete Conversion Kit * High Quality Flat Panel Conversion Kit* Includes:- One-piece Fiberglass Panel- Bonded 1 Inch x 2 Inch Aluminum Bracing- Fiberglass Interior Window Trim- 19 Inch x 36 Inch Rear Window Glass- Window Seal And...$2,637.99 -
Day Cab Flat Panel Complete Conversion Kit With Dark Gray Interior For Peterbilt 378, 379, 386, 388, 389 Regular Cab
FIBERTECH
$2,637.99Peterbilt Ultra Cab Flat Panel Day Cab Kit Complete Conversion Kit * High Quality Flat Panel Conversion Kit* Includes:- One-piece Fiberglass Panel- Bonded 1 Inch x 2 Inch Aluminum Bracing- Fiberglass Interior Window Trim- 19 Inch x 36 Inch Rear Window...$2,637.99 -
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