For 3 cyl gas & diesel models

Contains Upper & Lower Sets

Direct replacement for Caterpillar OK548

Can use OE Sanden Compressor - 509-5946

61 (3 39/64) in 92 mm Bore 1

R134 OE Sanden Conversion Kit for John Deere, 990-4212R 72370000 For 3 cyl gas &Upgrade your John Deere tractor to a factory style Sanden A C system with this OE grade conversion kit from AP Air. The 990 4212R is the premium step up from a standard Sanden conversion built to OE specifications for a cleaner, more reliable installation that closely mirrors how the factory would have done it. What's Included (SKU: QFS 990 4212R) This is a complete, all in one kit. Everything needed for a full A C conversion is in the box: OE Style