Discount Starter & Alternator 18300N Harley-Davidson Motorcycles Replacement Starter New Aftermarket Part (Not Rebuilt/Refurbished/Repurposed) OEM(s): Hitachi Type: DD Voltage: 12 Volts Rotation: CCW Teeth/Splines: 10 Teeth/Splines Pinion/Splines OD: 17.3mm / 0.681in Approximate Weight: 6.92 lbs / 3.15 kg Notes: Hitachi Type Black Starter, 3.14" / 80mm Field Housing Length Replaces: HARLEY DAVIDSON 31570-73, 31570-73B, 31570-73T HITACHI S108-41 Please verify this is the right part number before ordering