Engine Parts

304 Stainless Steel 2.5 Inch Upper Coolant Tube By BESTfitKeep your Kenworth W900B or W900L running cool and performing at its best with the BESTfit 2.5 Inch Stainless Steel Upper Coolant Tube, engineered specifically for trucks equipped with Caterpillar...

Replacement 3 Inch Lower Coolant Tube By BESTfitMaintain your Peterbilt 379's engine cooling efficiency with the BESTfit 3 Inch Stainless Steel Lower Coolant Tube, an exact replacement for part number 07-05849M001. Made from premium stainless steel, this...

44 Quart 47 X 15.6 Inch Baffled Engine Oil Pan By BESTfitDon't let a worn or damaged oil pan compromise your engine-install the BESTfit 44 Quart Engine Oil Pan for dependable performance. With a rear wet sump design, 44-quart capacity, and 36 bolt holes,...

24 Inch Metal 8 Blade Fan Blade W/ 5 Inch Pilot HoleBoost your Mack truck's cooling performance with the Metal 8 Blade Fan Blade, engineered for durability and efficiency in demanding conditions. Designed to replace 2MH429, this high-quality fan blade...

24 Inch Fiberglass 9 Blade Fan Blade W/ 2.562 Inch Pilot HoleReduce engine overheating and increase reliability with the Fiberglass 9 Blade Fan Blade, specifically designed for Mack MR trucks. This high-quality replacement for 25175178 and 2MH460...

Exhaust Manifold Kit- End Section By BESTfitRestore optimal exhaust performance on your Mack CH or CXN with the BESTfit Exhaust Manifold Kit, a precision replacement for 104GC5164AM and 21090679. The kit contains one robust manifold and four gaskets,...

AC Evaporator Fits International ProStar* High Quality Evaporator* 2.750 Inch Width* 6.772 Inch Height* 11.969 Inch Length* 0.700 Inch Tube Diameter* 0.475 Inch Tube Diameter* Sold Individually* Warranty On Evaporator Against Defects In Workmanship &...

Center Radiator Support Rod For Freightliner P3 Replaces A0532882000* High Quality Radiator Support Rod* Dimensions  - 26.67 MM OD  - 604.90 MM C to C* Center Support* Sold Individually* Warranty On Radiator Support Rod Against Defects In...

304 Stainless Steel Radiator Pipe By BESTfitReplace worn or damaged radiator pipes on your Freightliner Cascadia with the BESTfit 304 SS Radiator Pipe. Constructed from 304 stainless steel, it delivers durability and corrosion resistance for long-term...

P3 Surge Tank Cap, Replaces BHTW3678001* High Quality Surge Tank Cap * Caution Label Sign * Sold Individually * Warranty On Surge Tank Caps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not...

Passenger Side Radiator Support Rod For Freightliner P3 Replaces A0530685000* High Quality Radiator Support Rod * Dimensions  - 26.67 MM OD  - 759.60 MM C to C* Passenger Side* Sold Individually* Warranty On Radiator Support Rod Against Defects...

Driver Side Radiator Support Rod For Freightliner P3 Replaces A0530681000* High Quality Radiator Support Rod* Dimensions  - 26.67 MM OD  - 810.40 MM C to C* Driver Side* Sold Individually* Warranty On Radiator Support Rod Against Defects In...