NEW 12V STARTER MOTOR FITS WESTERN STAR TRUCK FITS CATERPILLAR C-13 C-15 MS2-514 19011530 100% NEW and Made with the Highest Quality Components Available Full One Year Warranty Computer tested for consistent Quality and unsurpassed reliability Starter - Voltage: 12V Rotation: Clockwise Teeth On Drive / Splines: 11 Source: Aftermarket