This is a A-111066W91 Compressor, New, R-4 w/ Clutch PN: 111066W91Main Description As Following : A-111066W91 Compressor, New, R-4 w/ Clutch P.N: 111066W91 A-111066W91 Compressor, New, R-4 w/ Clutch P.N: 111066W91 Stocked As: A-58234 Found in Section & Models : Air Conditioning Parts > Compressor, Massey Ferguson COMBINE: 8570 (S/N S11101>), Massey Ferguson COMBINE: 8780, Massey Ferguson COMBINE: 8780XP, Massey Ferguson SWATHER/WINDROWER: 220 Associated Items : New Also This is An Aftermarket Product And : High Quality Afternaket Shipped from Both US and Canada