This is a A-1665738M91 Piston, Hydraulic PN: 1665738M91Main Description As Following : A-1665738M91 Piston, Hydraulic P.N: 1665738M91 Uses A-2528201K1 seal kit (Not included with Piston)Dim A (1): 3.375" Dia.Replaces: 897595M91 Replaces: 1665738V91 MASSEY FERGUSON , Crossed From: AM1665738M91 , , 1201-1637 , , 897595M91 MASSEY FERGUSON Found in Section & Models : Hitch & Drawbar Parts > Rockshaft Cylinders and Parts, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 158, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 20, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 20C, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 20D, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 235, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 30, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 30B, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 30D, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 30E, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 31, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 40, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 40B, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 40E, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 50C, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 50D, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 50E, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 50EX, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 670, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 690, Massey Ferguson TRACTOR: 135 Associated Items : A-2528201K1 Also A-MH-O-MF20IND, A-MH-P-MF20, A-MH-S-MF20TLB, A-MH-O-MF20C, A-MH-O-MF20CTURF, A-MH-P-MF20C, A-MH-S-MF20C, A-MH-P-MF20D, A-MH-S-MF20D, A-MH-O-MF30IND, A-MH-S-MF30IND, A-MH-O-MF30BTLB, A-MH-P-MF30B, A-MH-P-MF54A, A-MH-S-MF30BTLB, A-MH-P-MF30D, A-MH-O-MF30ETLB, A-MH-P-MF30ETL, A-MH-P-MF30ETLB, A-MH-S-MF30ETLB And : Uses A-2528201K1 seal kit (Not included with Piston) Dim A (1): 3.375" Dia. Replaces: 897595M91