Starter Briggs & Stratton John Deere Cub Cadet Garden Lawn Tractor Mowers 393017 394674 394808 AM38984 AM39287 New Aftermarket Part (Not Rebuilt/Refurbished/Repurposed) 16 Teeth/Splines; CCW Rotation 3.8 inches long Field Case 1.598 inches wide Pinion/Splines Diameter Please verify this is the right part number before ordering