This is a A-OGS504A Gasket Set, Overhaul with Seals PN: OGS504AMain Description As Following : A-OGS504A Gasket Set, Overhaul with Seals P.N: OGS504A Used For Eng SN <2539000 w/ Fire Ring of 5.092" to 5.097" Found in Section & Models : Engine Parts > Gaskets, Case-IH INDUSTRIAL/CONSTRUCTION: W24, Case-IH INDUSTRIAL/CONSTRUCTION: W26B, Case-IH INDUSTRIAL/CONSTRUCTION: W36, Case-IH INDUSTRIAL/CONSTRUCTION: 128D, Case-IH INDUSTRIAL/CONSTRUCTION: 1450, Case-IH INDUSTRIAL/CONSTRUCTION: 224B, Case-IH INDUSTRIAL/CONSTRUCTION: 880C, Case-IH INDUSTRIAL/CONSTRUCTION: 980B, Case-IH TRACTOR: 1370, Case-IH TRACTOR: 1470, Case-IH TRACTOR: 1570, Case-IH TRACTOR: 2390, Case-IH TRACTOR: 2470, Case-IH TRACTOR: 2590, Case-IH TRACTOR: 4490 Associated Items : New Also A-CA-O-1370LATE, A-CA-P-1370E, A-CA-P-1370L, A-CA-S-12701370, A-SMC203, A-CA-S-1470, A-CA-O-1570, A-CA-S-12701370, A-SMC203, A-CA-O-2390, A-CA-P-2390, A-CA-O-2470LATE, A-CA-O-2470MID3, A-CA-P-2470, A-CA-S-2470, A-CA-S-2470LATE, A-CA-O-2590, A-CA-O-4490DSL, A-CA-P-4490, A-CA-S-44904690 And : Used For Eng SN <2539000 w/ Fire Ring of 5.092" to 5.097"