ENGINE PARTS & COOLING

BESTfit 2.50 Inch Hose Elbow with 90 Degree Bend * High Quality Hose Elbow* Made Of Silicone* 2.5 Inch ID x 7 Inch x 7 Inch* For Coolant Applications* Sold Individually* Warranty On Hose Elbows Against Defects In Workmanship & Material From Date Of...

BESTfit 1.75 Inch ID Heavy Duty Silicone Coolant HoseThis silicone coolant hose is tough and perfect for keeping your engine cool. It's got a 1.75-inch inner diameter (that's 44mm) and a width of 2.07 inches (53mm), reinforced with three layers of...

BESTfit 1.50 Inch ID Heavy Duty Silicone Coolant HoseThis silicone coolant hose is sturdy and designed to keep your engine running smoothly. With a 1.50-inch inner diameter (that's 38mm) and a width of 1.82 inches (46mm), it's reinforced with three...

BESTfit High Quality AC Drier Fits Freightliner M2 Business Class And 108SD Replaces OE Number A22-66600-000 * High Quality Air Conditioner Drier* Sold Individually* Has Bracket With 2 Stud Mount* Pad Style Hose Connection* Warranty On Air Conditioner...

BESTfit AC Expansion Valve Fits Peterbilt & Kenworth * High Quality Expansion Valve* Block Style * Sold Individually* Warranty On AC Expansion Valve Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement...

BESTfit Oil Pan GasketEnsure a secure seal for your Caterpillar engines 3406A, 3606B, 3406C, and 3406E with our Oil Pan Gasket. Compatible with pan numbers 09-074N919 and 09-077C3236, this gasket is designed to prevent leaks and maintain optimal engine...

BESTfit AC Condenser Fits Freightliner & Sterling   * High Quality AC Condenser* For Cummins Engine* Inches Core Size - 27.125 Height - 20.500 Width - 0.875 Core Thickness* Sold Individually* Warranty On AC Condenser Against Defects In...

BESTfit Charge Air Cooler Fits International * High Quality Charge Air Cooler* Inches Core Size - 23.375 Height - 13.000 Width - 3.000 Core Thickness - 3.000 Inlet - 3.000 Outlet* Sold Individually* Warranty On Air Coolers Against Defects In...

BESTfit Heavy Duty Radiator Core, 37 X 32.25 Inch * High Quality Radiator Core* 4 Row Design With 0.500 Tubes On 0.3125 Centers Using Highly Louvered Serpentine Fin Design* 8.500 Inch Corner Supports on All 4 Corners* Under the Header Mounted Side Pieces...

BESTfit 3.00 Inch ID Heavy Duty Silicone Coolant HoseDo you need coolant hoses to withstand all of the elements your truck goes through? 4 State Trucks carries 3 inch ID x 3.32 inch OD Flexfab heavy duty silicone coolant hoses with 3-ply polyester...

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 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. *...