This is a A-PR186 Piston Rings PN: PR186Main Description As Following : A-PR186 Rings, Piston P.N: PR186 A-PR186 Rings, Piston P.N: PR186 Replaces: VPB4010 MISCELLANEOUS , 41158063 PERKINS ENGINE PARTS , 737174M91 MASSEY FERGUSON , 738965M91 MASSEY FERGUSON , 745823M91 MASSEY FERGUSON , 745824M91 MASSEY FERGUSON , 81717647 FORD , 84955 PERKINS ENGINE PARTS , 957E6149 FORD , 957E6149A FORD , 957E9149A FORD , Crossed From: 171246 , , 55275 PERKINS , 81568 PERKINS , 957E6149A , Found in Section & Models : Engine Parts > 144 Perkins Diesel, Ford / New Holland TRACTOR: DEXTA (DIESEL 1957-64) Associated Items : New Also A-FO-O-DEXTA, A-FO-P-DEXTA, A-FO-P-SHERPS, A-FO-P-1400SHER, A-FO-S-FDNDEXTA, A-FRM-FOMM, A-SMFO201 And : High Quality Afternaket Shipped from Both US and Canada