SHOP BY CATEGORY

BESTfit Passenger Side Chrome Plated Steel Exhaust ElbowConstructed from quality chrome-plated steel, this exhaust elbow is engineered to deliver durability and performance. With a 5-inch inner diameter inlet and corresponding 5-inch outer diameter...

BESTfit Kenworth T-600 Passenger Side Fairing Step Without Filler HoleEnhance your vehicle's upper front right side fairing/tank covers with our Aluminum Steps designed specifically for the passenger side. Crafted from durable aluminum, these steps offer...

BESTfit Upper Step Panel Fits KenworthEnhance your vehicle's battery and tool box covers with our Aluminum Step Panels. Measuring 45 inches in length, these panels provide convenient access while adding a sleek appearance. Sold individually as...

BESTfit Battery Box Cover - 45 Inch Diamond Plate Aluminum Fits Kenworth W900B & W900L 2004-OlderEnhance the protection and appearance of your battery box with our Battery Box Cover, crafted from robust diamond plate aluminum. With a generous 45-inch...

BESTfit Diamond Plate Aluminum Battery Box CoverUpgrade your battery box with our Economy Battery Box Cover, constructed from durable diamond-plated aluminum for long-lasting performance. Measuring 34 inches in length, this cover provides a sleek and...

BESTfit Chrome-Plated Steel 7 Inch I.D. To 5 Inch O.D. Exhaust Reducer AdapterUpgrade your exhaust system with our Chrome-Plated Steel Exhaust Reducer, meticulously crafted to seamlessly adapt from a 7-inch inner diameter to a 5-inch outer diameter. With...

BESTfit Short Galvanized Muffler W/ 5 Inch ID Inlet & Outlet   * High Quality Muffler* Made Of Galvanized Steel* 9 Inch Diameter Body* 12 Inch Body Length* Inlet 5 Inch Inside Diameter* Outlet 5 Inch Inside Diameter* Sold Individually*...

BESTfit Passenger Side Fiberglass Fender ExtensionElevate your vehicle's aesthetics and durability with this top-tier Fiberglass Fender Extension designed for the passenger side. Constructed from fiberglass, this aftermarket replacement part ensures...

BESTfit Fender Extensions Fits FreightlinerUpgrade your vehicle's exterior with this quality Fiberglass Fender. Specifically designed for the driver's side, this aftermarket replacement part is crafted with precision and durability in mind. Made of...

Wiring Harness Fits KenworthOur Wiring Harness is a vital component for your vehicle's electrical system, ensuring proper connectivity. Sold individually as an aftermarket replacement part, it provides a reliable solution for wiring needs. Designed for...

BESTfit Wiper Conversion Kit Fits KenworthUpgrade your vehicle's wiper system effortlessly with our Electric Wiper Conversion Kit. This comprehensive kit includes two SAE rated electric wiper motors, delay wiper washer controls, 14-inch wiper arms,...

BESTfit Driver Side Air Intake Cover Fits KenworthUpgrade your vehicle with our Stainless Steel Air Breather Intake! This special part is made of strong stainless steel, ensuring durability and a sleek look. It's designed specifically for the driver's...