Engine Parts

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...

Bolt On Radiator & Charge Air Cooler Kit W/ 2.5 Inch Inlet & 3 Inch Outlet By BESTfit Replaces 0706657A015, 0706657A01The BESTfit Cool Pack for Peterbilt 379, 378, 377, 385, and 357 combines a 4-row...

Radiator Fan Shroud W/ 34 Inch Opening By BESTfit Replaces 07-06686M002Heavy-duty trucking requires reliable engine cooling, and the Fiberglass Two Piece Radiator Fan Shroud (07-06686M002) delivers...

Radiator Fan Shroud W/ 35 Inch Opening By BESTfitThis aftermarket Peterbilt 377, 378, and 379 Fiberglass Radiator Fan Shroud with a 35 inch opening is designed to replace your OEM 5S68905D2 factory...

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...

Radiator Fan Shroud W/ 34 Inch Opening By BESTfit Replaces N4173001, 1460218-AZMaintain optimal engine temperatures and airflow with the Fiberglass Two Piece Radiator Fan Shroud (N4173001,...

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...

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...

Radiator Fan Shroud W/ 34 Inch Opening By BESTfit Replaces N4191001This aftermarket Peterbilt 387 Fiberglass Radiator Fan Shroud is designed to replace your OEM N4191001 factory style fan shroud...

Spring For Clutch Pedal Replaces 06-01067Looking to replace your clutch pedal spring for the Peterbilt 379? This essential part helps your clutch pedal return smoothly after you press it, reducing...

Radiator Fan Shroud W/ 32 Inch Opening By BESTfit Replaces N4178001This aftermarket Peterbilt 386 Fiberglass Radiator Fan Shroud with a 35-inch opening is designed to replace your OEM N4178001...

BESTfit Fiberglass Fan Shroud Fits Peterbilt Replaces 07-06680M001, 07-06681M001The fiberglass fan shroud with a white gel coating enhances air flow. It snugly fits around the radiator fan in the...