Engine Parts

Peterbilt HVAC High Pressure Switch By BESTfitThis high pressure / fan over ride switch monitors the A/C loops high pressure level, it enable or disable the compressor according to two pressure thresholds. It fits various 1995 through 2014 Peterbilt...

BESTfit Air Conditioner Compressor Replaces 10355063 And 488-45063Restore your truck's air conditioning efficiency with the BESTfit AC Compressor, compatible with part numbers 10355063 and 488-45063. Engineered for high performance and reliability, this...

BESTfit Cab & Bunk Blower Resistor Fits Peterbilt 359 With Red Dot ACThis aftermarket Cab and Bunk Blower Resistor with Red Dot AC for a Peterbilt 359 is designed to replace your OE CA09900, RF369B220165, or 220990 factory style cab and bunk resistor...

BESTfit AC Condenser Fits PeterbiltThe BESTfit AC Condenser measuring 31.5 x 20.125 inches is a premium replacement designed for Peterbilt 384 and 386 models. Crafted with high-quality materials, this condenser features a durable core size of 31.5 inches...

BESTfit AC Drier Fits Peterbilt 357/375/377/378/379The BESTfit Air Conditioner Drier is a high-quality replacement designed to fit Peterbilt models 357, 375, 377, 378, and 379. Measuring 10.75 inches in length with a 3.00-inch outer diameter, this AC...

BESTfit Low Pressure Switch With Metric Fitting Style, Close 47 PSI & Open 23 PSIMaintain optimal performance and safety in your truck's air conditioning system with the BESTfit 2 Pin Low Pressure Switch. This durable switch, designed to replace part...

BESTfit 10.5 Inch Defroster Cable With Looped Ends Fits Peterbilt 359This 10.5 Inch Defroster Cable with Looped Ends for a Peterbilt 359 is designed to replace your OE FA10200 factory style defroster cable. This water valve cable is manufactured to OE...

BESTfit AC Condenser Fits PeterbiltThe BESTfit AC Condenser 31.5 x 25 inch is a high-quality replacement designed specifically for Peterbilt 387 trucks. Featuring a durable core size of 31.5 inches in height, 25 inches in width, and 0.625 inches in...

BESTfit AC Condenser Fits Peterbilt 18-03543The BESTfit AC Condenser with Parallel Flow Design is a high-quality replacement for Peterbilt models 357, 375, 377, 378, and 379 equipped with a charge air cooler. Designed to replace OEM part 18-03543, this...

BESTfit 12V Sanden Super HD AC Compressor For Peterbilt 387 - Replaces F69-6003-121The BESTfit Sanden 4377 AC Compressor is a genuine OEM-grade, super heavy-duty replacement designed specifically for Peterbilt 387 trucks. Featuring a 125mm 6-groove...

Wire Harness Assembly for Pressure SwitchThis pressure switch pigtail is designed specifically for use in Peterbilt trucks. It features a two-wire WeatherPack connector, making it reliable and easy to install. Essentially, it's a wire harness that helps...

BESTfit Heater Control Valve Fits Peterbilt 359This aftermarket Peterbilt 359 Heater Control Valve Cab is designed to replace your factory style heater control valve. This heavy duty steel construction is manufactured to OE specifications and features a...