Engine Parts

BESTfit Thermostat Switch Fits Kenworth T2000, T300-T450, T600, T800 & W900* High Quality Thermostatic Switch* Volts:12V* Refrigerant Type: R12/R134A* Cut In 40 Degree F Cut Out 31 Degree F* 12 Inch Capillary Tube* Sold Individually * Warranty On...

BESTfit Low Pressure Switch Fits Kenworth T2000, T300-T450, T600, T660, T680, T700, T800, T880 & W900* High Quality Low Pressure Switch* Low Pressure Switch* Metric Fitting Style* R134A Refrigerant Type* Female M12 Fitting Thread* 2 Pin* Sold...

BESTfit Steel Receiver Drier With 3/8 Inch Inlet/Outlet* High Quality Receiver Drier* Steel * 10 Inch Length * Male Insert O'Ring* Inlet Size: 3/8 Inch Number 6 * Outlet: Male Insert O'Ring* Outlet Size: 3/8 Inch Number 6 * 3 Inch Diameter * Refrigerant...

BESTfit AC Compressor With 8 Groove 130MM Clutch For Kenworth - Replaces Sanden 4006 & 4146* High Quality A/C Compressor * Features:  - 8 Groove   - 13MM Clutch   - Direct Mount Fittings * Sold Individually* Warranty On A/C Compressor...

BESTfit AC Evaporator Core For Peterbilt 386/388/389/GliderThe BESTfit 9.9 x 2.3 x 8.4 inch AC Evaporator Core is a premium replacement part designed for Peterbilt models. Crafted for durability and efficiency, this high-quality evaporator core features...

BESTfit AC Condenser For Peterbilt 18-03722The BESTfit AC Condenser 31.25 x 15 inch is a high-quality replacement designed for Peterbilt 330 and 335 models from 1995 to 2004. Featuring a durable core size of 31.25 inches in height, 15 inches in width,...

BESTfit 8.97 Inch Length AC Driver Accumulator Fits PeterbiltThe BESTfit 8.97 x 3.46 inch AC Drier Accumulator is a high-quality replacement designed for Peterbilt trucks, engineered to keep your air conditioning system clean and efficient. Made of...

BESTfit AC Condenser For Peterbilt Replaces 18-03554Replace your worn AC condenser with the BESTfit AC Condenser designed for Peterbilt models 357, 359, 362, 375, 377, 378, and 379. This high-quality condenser features durable aluminum construction and a...

BESTfit 4.25 X 10.5 Inch Plastic AC Drain Pan Fits Peterbilt 359Keep your truck's air conditioning system dry and functioning properly with the BESTfit 4.25 x 10.5 inch Plastic AC Drain Pan. Designed for durability and corrosion resistance, this...

BESTfit Peterbilt 359 Heater Core For Cab OnlyAre you getting little to no air flow when you turn the heat on in your truck? 4 State Trucks carries this replacement heater core for a 1977 - 1987 Peterbilt cabs. It replaces OE numbers 280244 and MC1020...

BESTfit Plastic Aluminum Radiator* High Quality Radiator* Made Of Aluminum/Plastic* Includes:  - 10 Inch Engine Cooler  - (6 Plate) QC Fittings  - 0.75 Inch -14 Low Sensor Coolant Fitting* Core Size:   - 31.437 Inch Height   - 23...

BESTfit Radiator Fits GMC TopKick 2003-2008* High Quality Plastic Aluminum Radiator* Inches Core Size- 37.187 Inch Height- 19.187 Width- 2.00 Core Thickness- 1.810 Inlet Upper Left- 1.810 Outlet Lower Right* Sold Individually* Warranty On Charge Air...