This is a A-RE538143 Torsional Damper PN: RE538143Main Description As Following : A-RE538143 Torsional Damper PN: RE538143 Found in Section & Models : Engine Parts > Crankshafts, John Deere ARTICULATED DUMP TRUCK: 260E, John Deere ARTICULATED DUMP TRUCK: 310E, John Deere COMBINE: S660, John Deere COMBINE: S670, John Deere COMBINE: S760, John Deere COMBINE: S770, John Deere SUGAR CANE HARVESTER: CH570, John Deere SUGAR CANE HARVESTER: CH670, John Deere TRACTOR: 7230R, John Deere TRACTOR: 7250R, John Deere TRACTOR: 7260R, John Deere TRACTOR: 7270R, John Deere TRACTOR: 7280R, John Deere TRACTOR: 7290R, John Deere TRACTOR: 7310R, John Deere TRACTOR: 8235R, John Deere TRACTOR: 8245R, John Deere TRACTOR: 8260R, John Deere TRACTOR: 8270R, John Deere TRACTOR: 8285R Associated Items : New Also This is An Aftermarket Product And : Inside Diameter: 2.382" Outside Diameter: 10.995" Width: 3.34"