This is a A-378193R91 Seal, Front Crankshaft PN: 378193R91Main Description As Following : A-378193R91 Seal, Front Crankshaft P.N: 378193R91 For SN 42290> Replaces: 378193R1 IH Found in Section & Models : Engine Parts > C123 CID, Case-IH TRACTOR: 130, Case-IH TRACTOR: 140, Case-IH TRACTOR: 230, Case-IH TRACTOR: 240, Engine Parts > C135 CID, Case-IH TRACTOR: 330 (SN <100500), Case-IH TRACTOR: 340 (SN <100500), Engine Parts > C60 CID, Case-IH TRACTOR: CUB (ENG SN <261717), Case-IH TRACTOR: CUB LO-BOY (ENG SN <261717), Engine Parts > Engine Related Parts, Case-IH TRACTOR: A, Case-IH TRACTOR: B, Case-IH TRACTOR: C, Case-IH TRACTOR: CUB 154 LO-BOY, Case-IH TRACTOR: CUB 184 LO-BOY, Case-IH TRACTOR: SUPER A, Case-IH TRACTOR: SUPER AV, Case-IH TRACTOR: SUPER C, Case-IH TRACTOR: 100, Case-IH TRACTOR: 200, Case-IH TRACTOR: 2444, Case-IH TRACTOR: 2504 Associated Items : New Also A-FRM-IHOL, A-IH-C-DOMGENCAT, A-IH-C-MUSCLES, A-IH-C-1936FULL, A-IH-O-AAV, A-IH-O-ABSPCLA, A-IH-O-AIMPLS, A-IH-O-A1939, A-IH-P-AB, A-IH-P-ACCESSORY, A-IH-P-AW18MWR, A-IH-S-AAVBBN, A-IH-S-CARBSPEC, A-IH-S-CLUTCH, A-IH-S-ENGGASE, A-IH-S-HAYMAHNS, A-IH-S-TUNEUP, A-MAG-S-317, A-SMIH8, A-FRM-IHOL And : For SN 42290>