Discount Starter & Alternator 18648N Polaris ATV's UTV's & Snowmobiles Replacement Starter New Aftermarket Part (Not Rebuilt/Refurbished/Repurposed) Permanent Magnet Direct Drive (PMDD) Starter Motor 9 Teeth/Splines; CW Rotation 0.469 inches wide Pinion/Splines Diameter Please verify this is the right part number before ordering