Rotary Corp brand aftermarket product. Rotary Corp Brand Kawasaki 21163-7028, 21163-7020 Electric Starter. Kawasaki Mule 600, 610 (all 401cc engine) & For (UTV) Gator TX (with Kawasaki 13 HP engine) OEM No. AM134946 & MIA11410. 12 Volt, 9 Tooth, CCW Rotation. Nippondenso Style Starter.