✅ INCLUDED: Brand New A/C Compressor and Clutch. ✅ FUNCTION: A/C compressors are the heart of automotive air conditioning refrigeration systems and with a heavy responsibility to compress and transport refrigerant vapors throughout the automobile's A/C system. ✅ MATERIAL: The main body is made of high-strength aluminum material, which is durable, rigid, and wearable. It will not crack, break, or leak. Such high quality ensures a long-time use for each compressor kit. ✅ PERFORMANCE: The A/C compressor can provide sufficient pressure, which increases power force and decreases engine load. It dramatically improves the cooling function: and features stable efficiency, safety, and reliability. ✅ FULLY TESTED: The A/C Compressor has been examined and tested carefully before its delivery. Make sure you add the proper amount of oil prior to installment. Includes 1-year warranty. OEM Sanden A/C Compressor fits 2001 Mack RD / 2000 Kenworth W900