This is a A-B1MU156 Shaft, Spindle PN: B1MU156Main Description As Following : A-B1MU156 Shaft, Spindle P.N: B1MU156 Fits our B1MU155. Crossed From: 1001195 MURRAY Found in Section & Models : Sunbelt - Rider & Walk-behind Parts > Spindles, Murray (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : Fits our B1MU155.