This is a A-R502186 Belt, Alternator/Compressor Drive PN: R502186Main Description As Following : A-R502186 Belt, Alternator/Compressor Drive PN: R502186 Found in Section & Models : Belts > Belts: Alt, Fan, Steering, Water Pump, John Deere DOZER: 750J (A/C Compressor Drive), John Deere DOZER: 850J, John Deere GRADER: 620G (Alternator Drive), John Deere GRADER: 620GP (Alternator Drive), John Deere GRADER: 622G (Alternator Drive), John Deere GRADER: 622GP (Alternator Drive), John Deere GRADER: 670G (Alternator Drive), John Deere GRADER: 670GP (Alternator Drive), John Deere GRADER: 672G (Alternator Drive), John Deere GRADER: 672GP (Alternator Drive), John Deere GRADER: 770G (Alternator Drive), John Deere GRADER: 770GP (Alternator Drive) Associated Items : New Also This is An Aftermarket Product And : 78" 8 Rib K-Poly Length: 78" Material: Polyester Cord Number Of Ribs: 8 Outside Length: 78.63" Pitch Length: 78" Thickness: 0.18" Width: 8 Rib