AC compressor is the heart of the vehicle's air conditioning system. It compresses and circulates refrigerant (such as R134a or R1234yf) to enable cooling. Below is a detailed breakdown of its functions, types, and maintenance. Fitment: 2007-2008 Mazda CX-7 2.3L Features: Powerful Cooling for Comfort Quiet and Smooth Operation Each product is quality inspected and 100% pressure/leak tested Manufactured to OEM Quality Standards and Precision, High Temperature and Corrosion Resistant Simple and convenient installation, fine workmanship, docking every vacancy of the original car Professional Installation Guide (6 Steps): .