This is a A-AL157596 Tensioner, Belt Idler, Roller PN: AL157596Main Description As Following : A-AL157596 Tensioner, Belt Idler, Roller PN: AL157596 Found in Section & Models : Engine Parts > Engine Related Parts, John Deere SPRAYER: 4630, John Deere TRACTOR: 6110, John Deere TRACTOR: 6110L, John Deere TRACTOR: 6120, John Deere TRACTOR: 6120L, John Deere TRACTOR: 6140J, John Deere TRACTOR: 6155J, John Deere TRACTOR: 6215, John Deere TRACTOR: 6230, John Deere TRACTOR: 6310S, John Deere TRACTOR: 6320, John Deere TRACTOR: 6320L, John Deere TRACTOR: 6330, John Deere TRACTOR: 6330 PREMIUM, John Deere TRACTOR: 6405, John Deere TRACTOR: 6415, John Deere TRACTOR: 6430, John Deere TRACTOR: 6430 PREMIUM, John Deere TRACTOR: 6605, John Deere TRACTOR: 6615 Associated Items : New Also This is An Aftermarket Product And : Diameter: 3.071" Replaces: AL116546 Width: 1.22"