Compare Maximum number of 4 items selected ACDelco A/C Compressor - New - 15-21728 Part #: 15-21728 Line: ACD ACDelco A/C Compressor - New 1 Year Limited Warranty Oil Type: PAG New Or Remanufactured: New Belt Type: Serpentine Pulley Diameter (in): 4-1/8 Inch Voltage (V): 12 Volt Clutch Diameter (in): 3-3/8 Inch Compressor Type: TRSA12 Pulley Diameter (mm): 105mm Clutch Included: Yes Number Of Pulley Grooves: 4 Clutch Diameter (mm): 86mm Show More Show Less