This is a A-325289A1 Belt, WP PN: 325289A1Main Description As Following : A-325289A1 Belt, WP P.N: 325289A1 Number Of Ribs: 12Outside Length: 40.63"Pitch Length: 40" Stocked As: A-400K12 Found in Section & Models : Cooling Systems > Belts: Alt, Fan, Steering, Water Pump, Case-IH TRACTOR: STEIGER 480, Case-IH TRACTOR: STEIGER 530, Case-IH TRACTOR: STEIGER 535, Case-IH TRACTOR: STX375 (912 Dsl 2000-06), Case-IH TRACTOR: STX425 (912 Dsl 2000-06), Case-IH TRACTOR: STX440 (912 Dsl 2000-02), Case-IH TRACTOR: STX450 (912 Dsl 2001-06), Case-IH TRACTOR: STX480 (915 Dsl 2006-07), Case-IH TRACTOR: STX500 (912 Dsl 2004-06), Case-IH TRACTOR: STX530 (912 Dsl 2004-06) Associated Items : New Also This is An Aftermarket Product And : Number Of Ribs: 12 Outside Length: 40.63" Pitch Length: 40"