Equip your semi with a seamless compression of refrigerant into a high-pressure and temperature gas, with the OTR 12V 8 Groove Pulley A/C Compressor. With the AC clutch and lubricating oil at its side, this replacement AC compressor pressurizes the refrigerant into a gaseous state, then delivers it to the condenser. Crafted with precise measurements for a smooth engagement that contributes to cool and crisp air conditioning.