Reman 12 Volt 10 o'clock, New 5.58" Clutch Superheat CompressorOEM part numbers AR77343 Item Information Superheat Switch Not Included Can use Original A6 500 013 Can use Heavy Duty Delco Replacement 500 075 Specifications HEAD TYPE Superheat OIL TYPE No Oil CLUTCH DIAMETER 5. 58" GROOVES 1 BELT WIDTH 1 2" COIL POSITION 10 o'clock MOUNTING HOLES Standard Thread VOLTAGE 12 COMPRESSOR TYPE A 6 Compatible With John Deere Tractors7520