This is a A-51492DA Seal PN: 51492DAMain Description As Following : A-51492DA Seal P.N: 51492DA This new seal fits the Case-IH Tractor H, HV, 300 Farmall, and 350 Farmall. (NOTE: replaces 473421) Replaces: 473421 RIVERSIDE TRACTOR Found in Section & Models : Cooling Systems > Water Pumps, Pulleys, & Gaskets, Case-IH TRACTOR: H, Case-IH TRACTOR: HV, Case-IH TRACTOR: 300 FARMALL, Case-IH TRACTOR: 350 FARMALL 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-BHIMPL, A-IH-O-H, A-IH-O-HLDRBLD, A-IH-O-HMATTCH, A-IH-O-HYDRLIFT, A-IH-O-H1948, A-IH-O-STANDLITES, A-IH-O-TRACATCH, A-IH-P-ABHMIM, A-IH-P-ACCESSORY, A-IH-P-HAYMAHNS, A-IH-P-HHV, A-IH-S-BRAKEREP, A-IH-S-CARBSPEC, A-IH-S-CLUTCH And : This new seal fits the Case-IH Tractor H, HV, 300 Farmall, and 350 Farmall. (NOTE: replaces 473421)