All Products

BESTfit Gel-Coated Fiberglass Fan Shroud With Pre-Drilled HolesThe BESTfit Fiberglass Fan Shroud replaces OE part 5S68234D, delivering durable cooling system protection for heavy-duty trucks. Made from high-quality fiberglass, this fan shroud ensures...

BESTfit Plastic Aluminum Radiator W/ PTO Crank Box And 2 1/2 Inch Inlet And OutletThe BESTfit 40 1/2 x 30 5/8 x 2 Inch Radiator with 2 1/2 inch inlet and outlet provides superior cooling for your Peterbilt truck. Constructed to meet high standards, this...

Replacement 2 Piece Radiator Fan ShroudEnsure your Peterbilt 389 stays cool under pressure with the Fiberglass Two Piece Radiator Fan Shroud (N4172001, 1460214-As, 1460214-Az). Made from durable, high-quality fiberglass, this radiator fan shroud provides...

BESTfit 37.5 X 38.75 Inch 5 Row Radiator W/ Bolt On Tanks Modified For Charge Air ApplicationThis 5-row metal radiator fits Peterbilt 359 models from 1979-1987. With bolt-on tanks modified for charge air application, it replaces vendor numbers PB-705-5...

BESTfit Peterbilt 359 Clutch Return SpringThis 14.625 Inch Clutch Return Spring for a Peterbilt 359 is designed to replace your OE 06-00981 factory style clutch return spring. This direct replacement black clutch spring is constructed of high quality...

BESTfit Metal Radiator With Clamps & BushingsThe BESTfit Copper Brass 2 Row Radiator Kit with Frame for Peterbilt 387 delivers superior cooling performance and durability. Featuring a copper and brass 2-row radiator core 36.25" x 34" x 2.5" with a 2.5"...

BESTfit 10.625 Inch Clutch Release Shaft Fits Peterbilt 359This 10.625 Inch Clutch Release Shaft Kit for a Peterbilt 359 is designed to replace your OE 06-00775 factory style clutch release shaft. This direct replacement clutch release shaft is...

BESTfit High Performance Copper Brass Radiator Kit With Surge Tank And 5 Row CoreThe Peterbilt radiator kit is a high-performance cooling solution with a surge tank positioned on top. It features a 5-row, dimpled core made of copper and brass for...

BESTfit Copper/ Brass Radiator W/ Out Oil CoolerKeep your engine temperature under control with the BESTfit 4 Row Radiator without Oil Cooler, designed specifically for Peterbilt trucks. With 2 1/2 inch inlet and outlet fittings, this radiator delivers...

Radiator Mount Fits PeterbiltThe Polyurethane Radiator Mount Bushing enhances the cooling performance of your vehicle's radiator and can contribute to improved fuel efficiency. It is designed to work seamlessly with your existing radiator system,...

BESTfit Spring For Fuel Pump Throttle Fits Peterbilt 359, 378, 379Maintain your truck's fuel system efficiency with the BESTfit Fuel Pump Throttle Spring. Designed to provide consistent tension and smooth throttle operation, this durable spring supports...

BESTfit 4 Row Radiator Kit W/ Out Surge TankBuilt for durability and performance, the BESTfit Copper Brass Radiator Kit is an excellent replacement for Peterbilt 357-387 models. It includes a 4-row brass and copper core, mounting hardware, hoses, and...