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Blank Sleeper Panels Fit Kenworth T660, T800 & W900 W/ Dual Side Exhaust & 86 Inch Sleeper * High Quality Sleeper Panels* 86 Inch * Blank- No Light Holes * For Trucks With Dual Side Exhaust * 430 Stainless Steel * Made In USA* Sold As Pair* Warranty On...

BESTfit Train Horn ManifoldUpgrade your train horn system with our Train Horn Manifold, a crucial component for optimal performance. Sold individually as an aftermarket replacement part, this manifold is designed to efficiently distribute air to your...

BESTfit Coolant Reservoir Fits International 4700-4900 Over time coolant reservoirs become susceptible to heat and engine vibration. This black coolant reservoir is manufactured and engineered with premium plastic to withstand the effects of stress...

BESTfit Rubber & Felt Seal For Door Window Glass Channel * High Quality Seal* Made Of Rubber & Felt * For Door Window Glass* 118 Inch Length* Long Enough For One Door* Sold Individually* Warranty On Window Sills Against Defects In Workmanship & Material...

BESTfit Door Wedge Fits Peterbilt * High Quality Door Wedge* 2.375 Inches Long* .75 Inches Wide* .313 Inches Thick* Sold Individually* Warranty On Door Wedge Against Defects In Workmanship & Material From Date Of Purchase***High Quality Aftermarket...

BESTfit Clamp Heavy Duty T-Bolt With Spring Constant Torque 4.562 InchAre you in the market for a T-bolt clamp for your charge air cooler project? 4 State Trucks stocks the clamps you need for your projects including 4.562 inch heavy duty T-bolt clamps...

BESTfit AC Compressor Mounting Bracket Kit * High Quality Compressor Mounting Bracket Kit* 13.00 Inch x 10.00 Inch x 2.625 Inch* Converts Existing Mounting Brackets On York 209 / 210 Or Tecumseh HG850, HG1080, Compressors To A Sanden SD508, SD508HD,...

BESTfit Charge Air Cooler Fits Freightliner & Sterling   * High Quality Air Cooler* Inches Core Size - 34.750 Height - 26.000 Width - 2.500 Core Thickness - 4.000 Inlet - 4.000 Outlet* Sold Individually* Warranty On Air Coolers Against Defects...

BESTfit 9.5 Inch Air Tank Fits PeterbiltThis Air Tank is constructed from polished aluminum and features a 33 1/2-inch overall length with a 9 1/2-inch diameter. It has a maximum pressure rating of 150 PSI and is equipped with several threaded ports for...

BESTfit Aluminized Steel 90 Degree Exhaust Elbow Pipe Upgrade your exhaust system with our Aluminized Steel Elbow Pipe, featuring a sturdy construction for long-lasting durability. With a convenient 90-degree angle design, this pipe ensures optimal fit...

BESTfit Peterbilt 359 Electric Wiper Conversion KitUpgrade your Peterbilt model with our Electric Wiper Motor Conversion Kit, meticulously crafted in the USA. This comprehensive kit includes all necessary components for installation, from SAE rated ball...

BESTfit Plain Exhaust Elbow Fits Kenworth Constructed from steel, this 5-inch diameter exhaust piece is specifically designed for the right side, or passenger side, of the vehicle. Tailored for trucks with over-the-frame exhaust systems and intended for...