NEW STARTER MOTOR FITS MASSEY FERGUSON TRACTOR MF-3505 3525 3545 PERKINS 6-354 IS0896 1903-145-M91 3637-269-R91 3931421M91 1618050M3 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: 10 Source: Aftermarket Replaces Part Numbers: 11.130.896 S5028 161805M3 1903-145-M91 3637-269-R91 1618050M14 3931421M91