Compatible with CAT, DENSO, ISUZU and many more… Please check the OEM part number of your original unit to ensure compatibility. Replaces: DENSO: 128000-4250 1280004250 128000-425 128000425, ISUZU: 1-811002-461 1811002461, PRODUCT DESCRIPTION: STARTER, UNIT TYPE: DENSO, STARTER TYPE: OSGR, VOLTAGE: 24, KW: 5.5KW, ROTATION: CLOCKWISE, TEETH: 11, PINION/SPLINE OD: 40MM/1.575INCH, MOUNTING HOLE 1: 14.0MM INNER DIAMETER UNTHREADED, MOUNTING HOLE 2: 14.0MM ID UNTHREADED WEIGHT: 24.345 LBS / 11.07 KG … Replaces: 11.07 KG … Computer tested for consistent quality and unrivaled reliability Starter – Voltage: 24V Rotation: Clockwise Teeth on Drive/Splines: 11 Source: Aftermarket