The 5810 is a permanent-magnet direct-drive starter, a new aftermarket direct replacement engineered to match the fit, form, and function of the original starter. Specifications: - Series: PMDD - Pinion teeth: 13 - Rotation: Counterclockwise (CCW) Vehicle Compatibility: - Makes: Kohler (1998-2008) - Models include: Kohler 8 To 12HP Air Cooled - Confirm exact fitment with your year, make, and model before ordering. Cross-Reference / Interchange Numbers: - Replaces / compatible with: 12-098-07, 12-098-16, 12-098-23, 12-098-23S, 5810, 91-09-1069, 964062, 9640620-M030SM, 9640640, 9640640-M030SM (plus 1 more on file). Why ePartsGlobal: specialist in heavy-duty starters, alternators, and charging-system electrical parts. Backed by a 1-year warranty, free shipping on orders over $19.95, and fast fulfillment. Ships from USA.