NEW 12V 35A ALTERNATOR FITS JOHN DEERE EXCAVATOR 50 ZTS 50C ZTS ISUZU 8972251170. PLEASE VERIFY YOUR OEM PART NUMBER FROM YOUR ORIGINAL UNIT TO HELP ENSURE FITMENT. JOHN DEERE EXCAVATORS 27C ZTS ISUZU 3LD2 JOHN DEERE EXCAVATORS 27ZTS ISUZU 3LD1 JOHN DEERE EXCAVATORS 35C ZTS JOHN DEERE EXCAVATORS 35ZTS JOHN DEERE EXCAVATORS 50 ZTS JOHN DEERE EXCAVATORS 50C ZTS. FITS / Replacement Part Numbers. As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). The sole responsibility of ComponentsPlus – 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 ComponentsPlus.