The Kubota 1921563010 Starter Assembly is a genuine OEM 12-volt, 0.9-kilowatt starter motor designed for reliable engine ignition. Featuring a 9-tooth pinion and clockwise rotation, this OSGR (Over Running Clutch Gear Reduction) type starter ensures efficient power delivery. It is compatible with a wide range of Kubota compact tractors, zero-turn mowers, and RTV utility vehicles, including B-Series, BX-Series, F-Series, G-Series, GR-Series, K-Series, KX-Series, RTV-Series, and ZD-Series models.