Replaces Part Numbers & Specifications. INTERNATIONAL: 394906R91 528012R91 680559R91 JOHN DEERE: AR34406 AR41627 ITEM DESCRIPTION: STARTER UNIT TYPE: DELCO TYPE: DD VOLTAGE: 12 ROTATION: CLOCKWISE TOOTH COUNT: 10 GEAR OD: 39.9MM / 1.571IN MOUNTING EAR 1: 10.0MM ID UNTHREADED MOUNTING EAR 2: 10.0MM ID UNTHREADED MOUNTING EAR 3: 10.0MM ID UNTHREADED WEIGHT: 53.219 LBS / 24.19 KG. As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). PLEASE VERIFY YOUR OEM PART NUMBER FROM YOUR ORIGINAL UNIT TO HELP ENSURE FITMENT. The sole responsibility of Marine Parts Distributors – if any – shall be the replacement of defective products as stated above. It is the responsibility of the customer to verify the correct application information prior to purchasing any product from Marine Parts Distributors. It is the responsibility of the customer to verify the correct application information prior to purchasing any product from MARINE PARTS DISTRIBUTORS. If an order must be canceled or changed, please contact the service department as soon as possible. 8AM-6PM EST Customer Service.