This compressor is updated to a manifold with 1 mounting bolt. OEM style compressor has 2 mounting bolts and requires a different manifold.Includes: 88146210, 88146The 8814621046 Seltec/Tama TM16 Compressor, w/ 2 Groove Clutch - New fits equipment brands such as: Challenger, Ford, Gleaner, Hesston-Fiat, Massey Ferguson, New Holland, SpraCoupe, Versatile