Peterbilt Categories

BESTfit Tinted Rear Window Slider Assembly Fits Day Cab Or SleeperThis rear window assembly features outside dimensions of 18 1/2 inches in height and 35 1/2 inches in length. It comes with a tinted slider accompanied by a screen and frame, with the...

BESTfit Peterbilt 359 Black Hood SpringEnhance your vehicle's hood mechanism with our hood spring replacement. Measuring 13 inches in length with a sturdy 1.50-inch diameter in black, this aftermarket part ensures optimal performance. Sold individually,...

BESTfit 17 Inch OD SAE 2 FlywheelUpgrade your Cummins B Series 5.9L engine with our Flywheel designed for optimal performance. This flat design flywheel features 8 bolt mounting holes and is sized to fit SAE #2 specifications. With a 14-inch clutch size...

BESTfit Day Cab Conversion Kit Fits PeterbiltTransform your truck with our Day Cab Conversion Kit, crafted from quality fiberglass for durability and longevity. This kit includes a one-piece fiberglass panel with a pre-installed 19 x 36 rear window,...

BESTfit Charge Air Cooler Fits Kenworth & Peterbilt * High Quality Air Cooler* Inches Core Size- 37.000 Height- 17.250 Width- 2.250 Core Thickness- 4.000 Inlet- 4.000 Outlet* Sold Individually* Warranty On Charge Air Coolers Against Defects In...

BESTfit Charge Air Cooler Fits Kenworth And Peterbilt * High Quality Charge Air Cooler* Inches Core Size- 34.500 Height- 30.50 Width- 2.250 Core Thickness- 4.000 Inlet- 4.000 Outlet* Sold Individually* Warranty On Charge Air Coolers Against Defects In...

BESTfit Radiator W/ Out Frame * Made Of High Quality Plastic Aluminum * Inches Core Size- 37.000 Height- 39.375 Width - 2.000 Core Thickness- 2.500 Inlet Upper Left At 13.00- 2.500 Outlet Lower Right At 13.00* Sold Individually* Warranty On Radiator...

BESTfit 4 Piece Stainless Steel Grille Surround Fits Peterbilt 385 2000-Newer With Set Back AxleChange out your grille surround with this high-quality 4 piece replacement kit. It comes with the right side, left side, bottom, and top crown trim. The...

BESTfit Charge Air Cooler Hoses W/ 4 Stainless Steel ClampsEnhance your vehicle's performance and reliability with our Hose Kit, designed to meet your charge air cooler connection needs. This comprehensive kit includes two 4-inch hoses and four stainless...

BESTfit Cab & Cowl Panel Combo Fits Peterbilt 6 Inch TallEnhance the appearance of your Peterbilt 379 cab with our aftermarket Sleeper Panel. Crafted from durable fiberglass and paintable to match your desired color scheme, this panel measures 6 inches...

BESTfit Chrome 6 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Length 108 Inches* 2- 01-0800003- Exhaust Mount Grommets Pack Of 4 (Black)* 4- 01-0800600- Wide Angled Clamp 6 Inch* 2- 01-081653056- 6-5...

BESTfit Aluminized Steel Exhaust Y-Pipe, Replaces 14-15353-0150Crafted from durable aluminized steel, this Exhaust Y Pipe is designed to deliver reliable performance. With a 5-inch outer diameter inlet and outlet, it promotes efficient exhaust flow...