PETERBILT
Find a complete selection of aftermarket parts designed specifically for Peterbilt trucks. From engine components and exhaust systems to brakes, filters, and suspension parts, our inventory ensures you keep your Peterbilt running smoothly and efficiently. Whether you're upgrading for better performance or replacing worn-out parts, our aftermarket solutions offer cost-effective, durable options without compromising quality. Shop with confidence knowing all parts meet rigorous standards for compatibility and reliability. Enhance your Peterbilt truck's lifespan and performance today with our trusted aftermarket parts.
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Bumper Support Brackets For 16, 18, 20 Inch Bumpers For Peterbilt 389
VALLEY CHROME
$129.99Valley Chrome 16, 18 & 20 Inch Bumper Support Brackets * High Quality Bumper Support Brackets* Steel* Black Powder Coated * For 16, 18, Or 20 Inch Bumper Sizes * Fasteners Not Included, Sold Separately* Sold In Pairs* Warranty On Bumper...$129.99 -
8 Inch 1-Piece Fiberglass Cab/Cowl Panel W/ Bodyline For Peterbilt 389 2011-2017
FIBERTECH
$205.99Fiberglass Cab/Cowl Panel W/ Bodyline Fits Peterbilt 389 * High Quality Cab/Cowl Panel* Made Of Fiberglass* 8 Inch* With Body Line * Driver Side Only* Sold Individually * Warranty On Cab/Cowl Panel Against Defects In Workmanship & Material...$205.99 -
Fiberglass Blank Filler Panels, 6 Inch For Peterbilt 388
FIBERTECH
$150.996 Inch Fiberglass Cab To Sleeper Filler Panels * High Quality Filler Panel* Fiberglass* 6 Inch* Blank* Sold Individually* Warranty On Filler Panels Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$150.99 -
Fiberglass Cab Cowl Panel, Passenger Side, 8 Inch For Peterbilt 389 Glider 2008-2023
FIBERTECH
$232.998 Inch Passenger Side Fiberglass Cab/Cowl Panel * High Quality Cab Cowl Panel* Fiberglass* 8 Inch* Passenger Side* Sold Individually* Warranty On Cab Cowl Panels Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...$232.99 -
Fiberglass Cab Cowl Set, 6 Inch For Peterbilt 389 W/ DPF
FIBERTECH
$296.996 Inch Fiberglass Cab Cowl Panel Set * High Quality Cab Cowl Panel Set* Fiberglass* 6 Inch* Driver Side And Passenger Side* Sold As Set * Warranty On Cab Cowl Panel Sets Against Defects In Workmanship & Material From Date Of Purchase*** High...$296.99 -
On Sale
Fiberglass Sleeper Panels, 8 x 70 Inch W/ Short Extensions For Peterbilt 379, 386, 389
FIBERTECH
Now: $315.91Was: $358.998 Inch Fiberglass Sleeper Panels With Short Extensions For 70 Inch Sleepers * High Quality Sleeper Panel* Fiberglass* 8 Inch * 70 Inch Length * With Short Extensions* Sold As Pair* Warranty On Sleeper Panels Against Defects In Workmanship &...Now: $315.91Was: $358.99 -
Ultra Cab To Flat Top Conversion Roof Cap, 36 Inch For Peterbilt 378, 379, 388, 389
FIBERTECH
$1,220.9936 Inch Ultra Cab Flat Top Roof Cap With Aluminum Reinforcement The 36-inch Ultra Flat Top Sleeper Roof Cap enhances the look of your Ultra Flat Top Conversion while providing comfort. It features bonded aluminum reinforcement for easy headliner...$1,220.99 -
On Sale
Flat Panel Day Cab Kit For Peterbilt 375, 377, 378, 379, 388, & 389
FIBERTECH
Now: $1,392.29Was: $1,546.99Flat Panel Day Cab Kit Fits Peterbilt * High Quality Flat Panel Day Cab Kit * Made Of Fiberglass* 1 Inch x 2 Inch Aluminum Bracing* Fiberglass Interior Window Trim* 19 Inch x 36 Inch Rear Window Glass* Window Seal And Hardware And Light Gray...Now: $1,392.29Was: $1,546.99 -
On Sale
Flat Top Deluxe Day Cab Conversion Kit For Peterbilt Unibilt
FIBERTECH
Now: $1,392.29Was: $1,546.99Flat Top Deluxe Day Cab Conversions Kit Fits Peterbilt The Peterbilt Deluxe Ultra Cab Flat Panel Day Cab Kit enhances your truck with a 3-Piece 6-inch Cab Extension for added space and comfort. It has bonded Aluminum Bracing for enhanced durability and...Now: $1,392.29Was: $1,546.99 -
CSM Aluminum Diamond Plate Toolbox, 30 x 30 x 15 Inch W/ Perforated Steps For Peterbilt 359, 377, 378, 379, 389, 389 Glider
CHROME SHOP MAFIA
$749.99Aluminum Step Tool Box W/ SS Locking T Handle Latch By Chrome Shop Mafia Get your Peterbilt OE stye replacement aluminum Tool Box by Chrome Shop Mafia at 4 State Trucks. It features a 7-inch lower step and a 4.75-inch upper step with grip to prevent...$749.99 -
Chrome Steel 20 Inch Texas Rolled End Bumper W/ External Bolt, Mounting & 9 Oval Light Holes For Set Forward Axle Peterbilt 365, 367, 388, 389, 389 Glider, 567
VALLEY CHROME
$842.99Valley Chrome 20 Inch Texas Style Rolled End Bumper With Mounting Holes, External Bolt On Tow Hitch And Oval Light CutoutsThis 20 inch Bumper is made of chrome-plated steel and has Texas rolled end design. It includes cutouts for various features, such...$842.99 -
20 Inch Chrome Texas Boxed End Bumper W/ UST Mounting, 21 Round 2 Inch Light Holes & Center Tow Hole With 2 Bolt Holes For Peterbilt 378 & 379
VALLEY CHROME
$1,118.99Valley Chrome Texas Boxed End Bumper W/ Center Tow Hole With Bolts & 21 Round 2 Inch Light Holes * High Quality Bumper * Made Of Chrome-Plated Steel* 20 Inch* Boxed End* Has Cutouts For: - Tow/Hitch Holes - (21) 2 Inch Round Light Holes* Blind Mount*...$1,118.99