Engine Parts

BESTfit One Position Poly Motor Mount Bushings With Steel SleeveThis high quality one position motor mount bushings with steel sleeve is made with a high quality red polyurethane. This bushing is designed to give maximum shock efficiency and give control...

BESTfit Peterbilt Direct Replacement Plastic Windshield Washer ReservoirBuilt for lasting use, this windshield washer fluid reservoir is manufactured with premium plastic that can withstand the constant stresses of under the hood temperature changes and...

BESTfit Fiberglass Fan Shroud Fits Peterbilt - Replaces 3A-48427D, 3S48427For Peterbilt 387 models between 1999 and 2010, the BESTfit Fan Shroud replacing OEM 3A-48426D offers high-quality fiberglass construction with a gel-coated interior that improves...

Fiberglass Fan Shroud Fits PeterbiltThis high quality fan shroud that fits Peterbilt 377, 378, and 379 models is gel-coated on the inside for improved air flow, is OEM quality, and saves hundreds of dollars compared to the OEM version. The fan has...

Cooling Module W/ Metal Radiator & Charge Air CoolerThe BESTfit Cool Pack for Peterbilt 379, 378, 377, 385, and 357 combines a 4-row radiator with a charge air cooler to provide excellent cooling performance for your truck's engine. Manufactured to OEM...

Replacement 2 Piece Radiator Fan ShroudHeavy-duty trucking requires reliable engine cooling, and the Fiberglass Two Piece Radiator Fan Shroud (07-06686M002) delivers for Peterbilt 357, 377, 378, 379, and 387. Made from durable fiberglass, it ensures a...

BESTfit Fiberglass Fan Shroud For Radiator With 35 Inch OpeningThis aftermarket Peterbilt 377, 378, and 379 Fiberglass Radiator Fan Shroud with a 35 inch opening is designed to replace your OEM 5S68905D2 factory style fan shroud. This radiator fan shroud...

Peterbilt 379 Poly Motor Mount Bushing By BESTfitExtend the life of your engine mounts with the durable BESTfit Poly Motor Mount Bushing, sized at 2.570 inches and engineered for Peterbilt 379 models. This OE replacement bushing-cross-referencing...

Replacement 2 Piece Radiator Fan ShroudMaintain optimal engine temperatures and airflow with the Fiberglass Two Piece Radiator Fan Shroud (N4173001, 1460218-Az), designed specifically for Peterbilt 388 models from 2008 to 2014. Crafted from durable...

Peterbilt Poly Motor Mount Bushing By BESTfitDesigned to handle the rigors of the road, the BESTfit poly motor mount bushing replaces D18 and fits Peterbilt 359, 378, and 379 models. Crafted from high-grade polyurethane, it delivers exceptional...

BESTfit Fiberglass Fan Shroud Fits Peterbilt - Replaces F22-6012M10The BESTfit Fiberglass Fan Shroud is a premium replacement part designed to fit Peterbilt 386 and 387 models, replacing OEM part F22-6039. Crafted from high-quality fiberglass and...

BESTfit Fiberglass Fan Shroud For RadiatorThis aftermarket Peterbilt 387 Fiberglass Radiator Fan Shroud is designed to replace your OEM N4191001 factory style fan shroud. This radiator fan shroud is manufactured to OE quality and specification with...