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BESTfit Fairing Step Fits Freightliner Upgrade your vehicle's rear upper fairing with our aluminum step, designed for enhanced accessibility and convenience. Measuring 27 inches in length, this step provides a secure foothold for accessing the rear...

BESTfit Fender Extension Fits InternationalUpgrade your vehicle with our aftermarket passenger side fiberglass component. Crafted from quality fiberglass material, this replacement part offers durability and a precise fit. Sold individually, it provides...

BESTfit Fender Extension Fits International Upgrade your International 9200 or International 9400 model from 1997 to 1999 with our aftermarket driver side fiberglass fender extension. Crafted with quality fiberglass material, this replacement part...

BESTfit Charge Air Cooler Fits Kenworth This aftermarket Kenworth T600 Super Duty Charge Air Cooler is tested and designed to replace your OE 1E3017, 1E3017G, 1E3388, 1E3447, 1E3520, or other factory style charge air coolers.This super duty charge air...

BESTfit 5 Inch 47 Degree Aluminized Intermediate Exhaust PipeIntroducing our Intermediate Pipe, featuring a convenient 47-degree bend for optimal fitment in your exhaust system. Crafted from durable aluminized steel, this pipe ensures longevity and...

BESTfit Aluminized Steel Muffler W/ 3.5 Inch Inlet & 4 Inch Outlet Fits International DuraStar * High Quality Muffler* Made Of Aluminized Steel* 3.50 Inch Inlet I.D.* 4 Inch Outlet O.D.* 2.5 Inch Inlet - Outlet Offset* Sold Individually* Made In USA*...

BESTfit Stainless Steel Door Hinge Fits Kenworth Driver SideIntroducing our stainless steel Door Hinge, an aftermarket replacement part designed for durability and reliability. With dimensions of 26.5 inches in length and 3.25 inches in width when...

BESTfit Extension Fender Fits KenworthIntroducing our Fiberglass Fender Extension, designed specifically for the passenger side, seamlessly replacing OEM part number K127-951R. Sold individually and proudly crafted in North America, this aftermarket...

BESTfit Extension Fender Fits KenworthIntroducing our Fiberglass Fender Extension, tailored for the driver's side, serving as a reliable replacement for OEM part number K127-951. Sold individually and proudly crafted in North America, this aftermarket...

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. *...