NEW ALTERNATOR FITS FORD TRACTOR 276 9030 4-239 4-268 DIESEL 1101205. Replaces Part Numbers & Specifications. DELCO: 1101205 1101439 JOHN DEERE: AT117390 ITEM DESCRIPTION: ALTERNATOR UNIT TYPE: DELCO VOLTAGE: 12 AMPERAGE: 105 FAN: EXTERNAL REGULATOR: INTERNAL POLARITY: NEGATIVE REGULATOR POSITION: 12:00 B+ TERMINAL: M6-1.0 WEIGHT: 13.51 LBS / 6.14 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.