This is a A-357972R1 Seal, Front Crankshaft PN: 357972R1Main Description As Following : A-357972R1 Seal, Front Crankshaft P.N: 357972R1 A-357972R1 Seal, Front Crankshaft P.N: 357972R1 Replaces: 258511R1 IH , 53872D IH Found in Section & Models : Engine Parts > C248 CID, Case-IH TRACTOR: M (SN <278049), Case-IH TRACTOR: M (SN 278050>), Case-IH TRACTOR: MV (SN <278049), Case-IH TRACTOR: MV (SN 278050>), Case-IH TRACTOR: OS6 (SN <35463), Case-IH TRACTOR: OS6 (SN 35464>), Case-IH TRACTOR: O6 (SN <35463), Case-IH TRACTOR: O6 (SN 35464>), Case-IH TRACTOR: W6 (SN <35463), Case-IH TRACTOR: W6 (SN 35464>), Engine Parts > C264 & C281 CID, Case-IH TRACTOR: W400 (C264 ENG SN 163808>), Case-IH TRACTOR: W450 (C281), Case-IH TRACTOR: 400 FARMALL (C264 ENG SN 163808>), Case-IH TRACTOR: 450 (C281), Engine Parts > C264 CID, Case-IH TRACTOR: SUPER M, Case-IH TRACTOR: SUPER MTA, Case-IH TRACTOR: SUPER W6, Case-IH TRACTOR: W6TA Associated Items : New Also A-FRM-IHOL, A-IH-C-DOMGENCAT, A-IH-C-HMMD, A-IH-C-MUSCLES, A-IH-C-1936FULL, A-IH-O-HLDRBLD, A-IH-O-HMATTCH, A-IH-O-HYDRLIFT, A-IH-O-MMV, A-IH-O-MMV45, A-IH-O-MMV47, A-IH-O-MMV52, A-IH-O-M1939, A-IH-O-M1949, A-IH-O-STANDLITES, A-IH-O-TRACATCH, A-IH-OP-M1940, A-IH-P-ABHMIM, A-IH-P-ACCESSORY, A-IH-P-HAYMAHNS And : High Quality Afternaket Shipped from Both US and Canada