NEW STARTER MOTOR JOHN DEERE ZERO TURN 657A 667A 717 717A AM133636 MIA11408 228000-7991 2280007991 AM133636 MIA11408 21163-7014 211637014 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: Counterclockwise Teeth On Drive / Splines: 9 Source: Aftermarket