This is a A-A42665 O-Ring PN: A42665Main Description As Following : A-A42665 O-Ring P.N: A42665 On Q.Cplr Half; Sims A-600-1836 Stocked As: A-010N Found in Section & Models : Air Conditioning Parts > Lines/ Hoses, Case-IH TRACTOR: 1090, Case-IH TRACTOR: 1490, Case-IH TRACTOR: 1690, Case-IH TRACTOR: 2090, Case-IH TRACTOR: 2094, Case-IH TRACTOR: 2290, Case-IH TRACTOR: 2294, Case-IH TRACTOR: 2390, Case-IH TRACTOR: 2394 (Cab S/N <12093700), Case-IH TRACTOR: 2590, Case-IH TRACTOR: 2594 (Cab S/N <12093700), Case-IH TRACTOR: 3294, Case-IH TRACTOR: 3394, Case-IH TRACTOR: 3594 Associated Items : New Also A-CA-S-1090ETC, A-SMC203, A-CA-P-1490DB, A-CA-S-1490, A-SMC36, A-CA-O-1690, A-CA-P-1690, A-CA-S-1490, A-SMC36, A-CA-O-2090, A-CA-P-2090, A-CA-S-20902290, A-CA-P-2094, A-CA-S-20942294, A-CA-O-2290, A-CA-P-2290, A-CA-S-20902290, A-CA-P-2294, A-CA-S-20942294, A-IH-S-AIRHEAT And : High Quality Afternaket Shipped from Both US and Canada