All Products

BESTfit Heater Core Fits PeterbiltThe BESTfit Heater Core is a premium replacement part designed for Peterbilt trucks from 1998 to 2011, which require 5/8 to 3/4 bushings. This high-quality heater core measures 10 inches in length, 3 inches in width, and...

BESTfit AC Condenser For Peterbilt 357, 375, 377, 378, 379The AC Condenser with Serpentine Flow Design features an anti-corrosive paint layer that is specifically designed to resist damage and aging. This protective coating helps to prevent corrosion...

BESTfit Peterbilt HVAC Weldment Case For CabReplace your worn or damaged HVAC housing with the BESTfit Cab HVAC Weldment Case, engineered to fit and replace part number 510575. This sturdy weldment case safeguards your truck's HVAC components, improving...

BESTfit 10 X 7.625 Inch Evaporator Fits Peterbilt 359 1977-1987This BESTfit AC Evaporator Coil fits 1967 through 1987 Peterbilt 359 models. It is built to keep the inside of your cab or sleeper at its desired comfort level. With a number 8 o-ring fitting...

BESTfit AC Grilldenser Fits Peterbilt 359 1979-1986This BESTfit AC Grilldenser is a perfect match for Peterbilt 359 models from 1979 through to 1986. With measurements set at 26.00 inches in height, 36.750 inches in width, and 1.00 inch in thickness,...

BESTfit HVAC Moisture IndicatorThe BESTfit HVAC Moisture Indicator for Peterbilt 359 is a high-quality replacement for part number 70R3530, designed to protect your truck's air conditioning system. Featuring both 0.375 inch male insert and female O-ring...

BESTfit AC Condenser Fits PeterbiltKeep your Peterbilt 379 and 387 trucks cool with the BESTfit AC Condenser, featuring a 30 x 23.75 inch core size and 0.75-inch thickness. Engineered for durability and efficiency, this high-quality condenser improves...

BESTfit AC Evaporator Fits PeterbiltThis Universal Air Conditioner Evaporator Core is built to OEM specifications, ensuring a perfect fit and high-efficiency function as your factory component. It helps maintain a desired temperature inside your...

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...