This is a A-AH206131 Idler Sprocket, Unloading Auger Drive w/ Bearing PN: AH206131Main Description As Following : A-AH206131 Idler Sprocket, Unloading Auger Drive w/ Bearing P.N: AH206131 Bore: 1.849"Chain: 60Outside Diameter: 6.16"Teeth: 24 Replaces: AH106606 JOHN DEERE COMBINE , Crossed From: CV103682 VAPORMATIC , WN-AH206131 , , WNAH206131 , Found in Section & Models : Chains/ Sprockets/ Pulleys/ Hubs > Sprockets, John Deere HEAD, CUTTING PLATFORM: 600F, John Deere HEAD, CUTTING PLATFORM: 600R, John Deere HEAD, CUTTING PLATFORM: 615F, John Deere HEAD, CUTTING PLATFORM: 615R, John Deere HEAD, CUTTING PLATFORM: 618F, John Deere HEAD, CUTTING PLATFORM: 618R, John Deere HEAD, CUTTING PLATFORM: 620F, John Deere HEAD, CUTTING PLATFORM: 620R, John Deere HEAD, CUTTING PLATFORM: 622F, John Deere HEAD, CUTTING PLATFORM: 622R, John Deere HEAD, CUTTING PLATFORM: 625F, John Deere HEAD, CUTTING PLATFORM: 625R, John Deere HEAD, CUTTING PLATFORM: 630F, John Deere HEAD, CUTTING PLATFORM: 630R, John Deere HEAD, CUTTING PLATFORM: 635F, John Deere HEAD, CUTTING PLATFORM: 635R, Grain Handling Area > Grain Handling Shafts, Sprockets, Pulley, John Deere COMBINE: CTS, John Deere COMBINE: CTS II, John Deere COMBINE: C670, John Deere COMBINE: T550 Associated Items : New Also This is An Aftermarket Product And : Bore: 1.849" Chain: 60 Outside Diameter: 6.16" Teeth: 24