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BESTfit AeroCab Exhaust Tee Fits KenworthOur Exhaust Tee is a sturdy replacement part crafted from durable aluminized steel. It's specifically designed for exhaust systems equipped with dual mufflers. With its sleek design and no-muffler feature, it...

BESTfit 24 Inch Heat Sleeve For 3 to 5 Inch Diameter Exhaust PipesIntroducing our Heat Sleeve, a top-quality aftermarket replacement part designed to enhance the performance and longevity of your vehicle's exhaust system. Crafted in the USA with...

BESTfit Freightliner M2 Coolant Reservoir W/ CapThis replacement engine coolant reservoir is made to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part. *...

BESTfit Full Fenders Our fiberglass Full Fender set is designed to provide durable protection for your vehicle's tires, with dimensions of 30.5 inches in height, 26 inches in width, and 103.5 inches in length. Suitable for tire sizes ranging from 22.5 to...

BESTfit Copper Brass Radiator With Dimpled 5 Row CoreIs your truck overheating? Look no further, 4 State Trucks has a great radiator for you. With this affordable 5 row option, you will get premium performance while still saving money. Get the most bang...

BESTfit Driver Side 5 Inch Exhaust Elbow Fits Kenworth W/ 40 Inch StepsUpgrade your exhaust system with our quality Exhaust Elbow designed for the driver side. Featuring a convenient 40-inch step, this aftermarket replacement part is crafted with...

BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379 * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Standard* Top Cut: Miter Top* Length: 108 Inches* Long Drop Elbows* 52 Inch Quiet Spools* Kit Includes: - Miter Top...

BESTfit AC Condenser For Peterbilt Replaces 18-03554   * High Quality AC Condenser* Inches Core Size - 29.50 Height - 9.75 Width - 1.000 Core Thickness * Sold Individually** Please Verify OE Numbers, Core Dimensions, Hose Fitting Sizes, Styles...

BESTfit Passenger Side Paintable Headlight Bezel Fits International Enhance the appearance of your truck with our Passenger Side Headlight Bezel in a stylish gray color. This aftermarket replacement part is meticulously crafted to replace OE numbers...

BESTfit Paintable Headlight Bezel Fits InternationalUpgrade your truck's appearance with our Headlight Bezel in a sleek gray color, designed specifically for the driver side. Replacing OE numbers 1654293C1, 1661763C1, 2515467C1, and 3000077C1, this...

BESTfit Stainless Steel Grille Insert With Bug Screen For International 5000 - 8000, 5900I, 9900I, 9900IXThis stainless steel grille with a bug screen rock guard on the back that fits International 5900 and 9900 models is a direct replacement part so...

BESTfit Driver Side Fender Extension Fits International DuraStarEnhance the look of your vehicle with our Driver Side Fender Extension, expertly crafted and made in North America. Sold individually, this aftermarket replacement part ensures a precise fit...