This is a A-RE249801 Tensioner, Belt, Fan PN: RE249801Main Description As Following : A-RE249801 Tensioner, Belt, Fan PN: RE249801 Found in Section & Models : Engine Parts > Engine Related Parts, John Deere COMBINE: S690, John Deere COMBINE: S690 HILLMASTER, John Deere COMBINE: 9750STS, John Deere COMBINE: 9860STS, John Deere COMBINE: 9870STS, John Deere COMBINE: 9880 STS, John Deere COMBINE: 9880I STS, John Deere COTTON PICKER: 7760, John Deere FORAGE HARVESTER: 6650, John Deere FORAGE HARVESTER: 6750, John Deere FORAGE HARVESTER: 6850, John Deere FORAGE HARVESTER: 6950, John Deere FORAGE HARVESTER: 7350, John Deere FORAGE HARVESTER: 7380, John Deere FORAGE HARVESTER: 7450, John Deere FORAGE HARVESTER: 7480, John Deere FORAGE HARVESTER: 7550, John Deere FORAGE HARVESTER: 7580, John Deere FORAGE HARVESTER: 7750, John Deere FORAGE HARVESTER: 7780 Associated Items : New Also This is An Aftermarket Product And : Replaces: RE170083, RE64442