ENGINE PARTS & COOLING

BESTfit Core To Tank Gasket Fits Mack * High Quality Gasket* Sold Individually* Warranty On Gaskets Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)***

BESTfit AC Condenser 23.25 Inch x 24.00 Inch For Mack DH/DM   * High Quality Condenser* All With Factory Air* Core Size - 23.250 Inch Height - 24.000 Inch Width - 0.875 Inch Core Thickness* Sold Individually* Warranty On Condensers Against Defects...

BESTfit Charge Air Cooler Fits InternationalIs your truck overheating? 4 State Trucks has you covered. You can choose the affordable option that has a premium performance alongside the dependability that your truck needs without the extra expenses. With...

BESTfit Plastic Aluminum Radiator 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 Lower...

Radiator Core W/ PTO Crank BoxEnhance your cooling system with our aftermarket radiator core, featuring a core size of 39.000 inches, a height of 26.875 inches, and a width of 2.375 inches. With a core thickness of 6.375 inches and a header width of 28...

BESTfit Hump Hose With Clamp * High Quality Hump Hose* With Clamp* 3.5 Inch x 6.25 Inch Flanged Connections* Sold Individually* Warranty On Hump Hoses Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement...

BESTfit Receiver Drier * High Quality Receiver-Drier* 2.75 Inch x 10 Inch* Fits Autocar, International, Kenworth, Mack, Volvo, Western Star* Sold Individually* Warranty On Receiver Drier Against Defects In Workmanship & Material From Date Of...

BESTfit Charge Air Cooler Fits MackIs your truck overheating, but your on a budget? 4 State Trucks has you covered. If your charge air cooler is malfunctioning or damaged, it can affect the life span and performance of your engine, so invest in a new one...

BESTfit Isolator W/ Steel Insert For Bottom Of Shift Stick * Made Of High Quality Polyurethane* With Steel Insert* For Bottom Of Shift Stick Mounting* Warranty On Isolator Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...

BESTfit Radiator Fits Kenworth * High Quality Plastic Aluminum Radiator * Without Oil Cooler Or Frame* Core Size - 36.500 Height - 25.125 Width - 1.562 Core Thickness - 2.500 Inlet Upper Left 4.00 - 2.500 Outlet Lower Right 4.00 * Sold Individually*...

BESTfit AC Compressor With 2 Groove Clutch Assembly For Peterbilt And Kenworth * High Quality AC Compressor * With Clutch* 2 V-Belt Groove* Sold Individually* Warranty On AC Compressors Against Defects In Workmanship & Material From Date Of Purchase***...

BESTfit Water Pump Fits CaterpillarUpgrade your vehicle's water pump with our aftermarket replacement part, featuring a dome drive gear with straight teeth and a press-on gear with an 8-inch opening. Sold individually, this water pump ensures reliable...