All Products

BESTfit PTR Radiator Kit W/ Oil Cooler & Frame, Replaces 05-30675-003* Made Of High Quality Plastic Aluminum * 2 Row With Oil Cooler With Frame* Inches Core Size   - 35.750 Height  - 38.500 Width  - 2.187 Core Thickness  - 2.500 Inlet...

BESTfit Paccar MX13 Flywheel Housing* High Quality Flywheel Housing* Fits In Your Aftermarket Paccar MX13 Diesel Engine Truck* Size: SAE #1* Sold Individually* Warranty On Flywheel Housings Against Defects In Workmanship & Material From Date Of...

BESTfit Cummins ISX15 Cylinder Head For Single Overhead Camshaft* High Quality Overhead Camshaft Setup* Aftermarket Cummins ISX15 Cylinder Head Complete Dual Overhead Camshaft Setup* Sold Individually* Warranty On Overhead Camshaft Setups Against Defects...

BESTfit PTR 2 Row Radiator Kit Without Frame, Replaces 3E0122680002* Made Of High Quality Plastic Aluminum * 2 Row With Oil Cooler Without Frame* Inches Core Size  - 42.125 Height  - 41.625 Width  - 2.187 Core Thickness  - 2.500 Inlet...

BESTfit Radiator Kit Without FrameIs your truck overheating? Conquer the roads with a radiator from 4 State Trucks. With being an affordable option, you still get the premium performance and dependability that you need without spending extra. Treat your...

Replacement Cummins ISX Turbocharger By BESTfit* High Quality Turbocharger* Sold Individually* Warranty On Turbochargers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)**** Replaces...

BESTfit Radiator Kit Without Frame* Made Of High Quality Plastic Aluminum* With Cummins Engine* With Oil Cooler Without Frame* Inches Core Size- 34.187 Height- 26.875 Width- 1.875 Core Thickness- 2.50 Inlet Upper Right- 2.50 Outlet Lower Left* Sold...

BESTfit Radiator Kit With Oil Cooler & Frame* Made Of High Quality Plastic Aluminum * Includes Frame* With Oil Cooler * Inches Core Size  - 35.500 Height  - 35.000 Width  - 2.000 Core Thickness  - 2.500 Inlet Upper Left At 9.50 Inch...

BESTfit Radiator Kit W/ Oil Cooler & Frame, Replaces 1A0210000001Is your truck overheating? Cool it down and conquer the roads with a radiator from 4 State Trucks. With being an affordable option, you still get the premium performance and dependability...

BESTfit Cam Shaft* High Quality Camshaft* Sold Individually* Warranty On Camshafts Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)**** Replaces OE Number 3930378** This Item Ships...

Radiator Without Oil Cooler Fits PACCAR* High Quality Radiator* Fits PACCAR Without Oil Cooler And Frame* Plastic Aluminum Radiator* Inches Core Size  - 25.687 Height - 38.875 Width - 2.062 Core Thickness - 2.500 Inlet Upper Left...

BESTfit Radiator Kit Without Frame* Made Of High Quality Plastic Aluminum* With Oil Cooler * Without Frame* Inches Core Size  - 28.500 Height  - 28.750 Width  - 2.250 Core Thickness  - 2.500 Inlet Upper Right   - 2.500 Outlet...