This is a A-4224451M91 Pump, Fuel Lift PN: 4224451M91Main Description As Following : A-4224451M91 Pump, Fuel Lift P.N: 4224451M91 Dim A (1): Pump Has 4 Hole MountingReplaces: 4222106M91, ULPK0034, 3641308M91, 3639696M1 Replaces: A-ULPK0005 PERKINS ENGINE PARTS , A-VPD3045 VAPORMATIC , A-2641A052 PERKINS ENGINE PARTS , A-2641A057 PERKINS ENGINE PARTS , A-2641A067 PERKINS ENGINE PARTS , 295976A1 CASE/INTERNATIONAL HAR. , 3639696M1 MASSEY FERGUSON , 3641308M91 MASSEY FERGUSON , 4222106M91 MASSEY FERGUSON , A-427309A1 CASE/INTERNATIONAL HAR. , Crossed From: AM4222106M91 , , HCULPK0034 , , HM4224451 , , ULPK0034 MASSEY FERGUSON , ULPK0034 PERKINS , WN-4222106M91 , , WN4222106M91 , Found in Section & Models : Engine Parts > Fuel System Parts, Massey Ferguson TRACTOR: 271, Massey Ferguson TRACTOR: 271X, Massey Ferguson TRACTOR: 271XE, Massey Ferguson TRACTOR: 281, Massey Ferguson TRACTOR: 281X, Massey Ferguson TRACTOR: 281XE, Massey Ferguson TRACTOR: 283 UK, Massey Ferguson TRACTOR: 3075, Massey Ferguson TRACTOR: 3330, Massey Ferguson TRACTOR: 3340, Massey Ferguson TRACTOR: 3350, Massey Ferguson TRACTOR: 3355, Massey Ferguson TRACTOR: 4225, Massey Ferguson TRACTOR: 4233, Massey Ferguson TRACTOR: 4235, Massey Ferguson TRACTOR: 4240, Massey Ferguson TRACTOR: 4243, Massey Ferguson TRACTOR: 4245, Massey Ferguson TRACTOR: 4253, Massey Ferguson TRACTOR: 4255 Associated Items : New Also This is An Aftermarket Product And : Mounting Holes: 4 Port Size: 1/2"-20 RH Thread Replaces: 4222106M91, ULPK0034, 3641308M91, 3639696M1