Tine Oil Seal / Troy-Bilt GW-9618099Pack Size:1Troy-Bilt 9618, Troy-Bilt GW-9618, Troy-Bilt GW-9618099ESF 161-551, Foley/PLP 161-551, Green Line 16001, NHC 282-6752, Oregon 49-050, Prime Line 7-04081, Rotary 8406, Sunbelt TR-18, Sunbelt B1TR18Troy Bilt tine seal on Horse modelsID: 1.250 ", OD: 2.000 ", Height: .550 "