ENGINE PARTS & COOLING

Heavy Duty Silicone Rubber Blue Coolant Hose * High Quality Coolant Hose * Silicone* 1 1/2 Inch ID* 12 Foot* With 3 Plies Of Polyester Reinforcement* Meets SAE L20* Temperature Range -65 Degree To 300 Degree Fahrenheit* Made In USA* Sold Individually *...

Transmission Oil Cooler Fits Western Star 4900 * High Quality Transmission Oil Cooler* Transmission Oil Cooler* Western Star* Sold Individually* Warranty On Transmission Oil Cooler Against Defects In Workmanship & Material From Date Of Purchase***High...

ECM Tuner For Various Pickup Makes & ModelsIf you are looking for a simple platform to load independently SAE tested tuning to your truck, 4 State Trucks offers this high quality ECM Tuner by Bully Dog. It is streamlined to include three power levels, a...

Manifold Spacers For CAT Engines Stainless Steel Fits C13, C15, ACERT And 3406 B, C And E * Made Of High Quality Stainless Steel* Exhaust Manifold Spacers* For Caterpillar Engines* Premium Bully Dog Product * Sold Individually* Made In USA* Warranty On...

Differential Pinion Shaft End YokeThe Spicer 6-4-7481-1 Differential End Yoke is a high-quality component designed for use in various driveshaft assemblies. It is crafted from durable materials and features precise engineering for superior performance,...

Antifreeze Fleet Charge Radiator Coolant Regulate the temperature in heavy duty diesel, gasoline, and natural gas engines with this high quality Fleet Coolant/Antifreeze. It is the original fully formulated supplemental Coolant additive (SCA) Pre-charge...

Air Dog Champ II Air Fuel Separator Fits CAT EnginesGet your AirDog Champ II spin-on high-pressure fuel air separator at 4 State Trucks! It is designed specifically for CAT engines with secondary filters. This system effectively removes entrained air and...

Air Conditioner Orifice Tube for Automotive ReplacementOur BESTfit valves provide the same high-quality, reliable, and durable performance as factory parts. They effectively restore A/C performance by addressing restrictions or failures in components. *...

Clutch Install Kit * High Quality Clutch Install Kit* For Fuller RT Series Transmissions* Includes All The Wear Items And Gaskets * Kit Includes: - S-1659 Input Shaft - 2 Inch - 14750 Retaining Ring - Inner - 16980 Retaining...

Engine Cooling 32 Inch Fan Blade With 2.56 Inch Pilot Hole This Engine Fan Blade with 11 blades is a reliable choice for your engine cooling needs and replaces the factory part. It measures 32 inches in diameter and has a 2.56 inch Pilot hole. It...

Clutch Brake   * High Quality Clutch Brake* Sold Individually* Warranty On Clutch Brake Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)*** This Original Parts Program item...

Block Heater With Plug Fits 3406 Cat Detroit Diesel Series   * High Quality Block Heater* For Use With CAT / Detroit Diesel Engine * 1500 Watt* 120 Volt* 1 Inch NPT* Sold Individually* Warranty On Block Heaters Against Defects In Workmanship &...