This is a A-R521052 Belt, Fan Drive PN: R521052Main Description As Following : A-R521052 Belt, Fan Drive PN: R521052 Found in Section & Models : Belts > Belts: Alt, Fan, Steering, Water Pump, John Deere COMBINE: C230 (SN: 010000-019999) Associated Items : New Also This is An Aftermarket Product And : 67" 8 Rib K-Poly