This is a A-55558 Belt PN: 55558Main Description As Following : A-55558 Belt P.N: 55558 Dim A (1): 7/8" x 79Replaces: 55558 Stocked As: A-C75 Found in Section & Models : Tractor Parts Associated Items : New Also This is An Aftermarket Product And : Dim A (1): 7/8" x 79 Replaces: 55558