This is a A-5666540MO30SM Starter, 12V, CCW, 16T, (New) PN: 5666540MO30SMMain Description As Following : A-5666540MO30SM Starter, 12V, CCW, 16T, (New) P.N: 5666540MO30SM Replaces: 0599640MO30SM, 4372740MO30SM, SME12A12, SMH12A1, SMH12A6 Stocked As: A-206-07110 Found in Section & Models : Ignition & Electrical Parts > Starters & Related Parts, United Technologies ENGINE, SMALL: K161 (Kohler Engine), United Technologies ENGINE, SMALL: K181 (Kohler Engine), United Technologies ENGINE, SMALL: 7-8 HP ENGINES (Kohler Engine) Associated Items : New Also This is An Aftermarket Product And : Replaces: 0599640MO30SM, 4372740MO30SM, SME12A12, SMH12A1, SMH12A6