Arko Tractor parts Fuel Injection for Ford Tractor 3233F390 Ford Tractor: 4000 (3 cyl), 4000SU, 4500, 4600, 4610, 231, 335, 531, 340, 540, 3400, 3500, 445, 4500, 550, 555, 555A, 555B Replaces Ford part: D0NN9A543K D6NN9A543G MADE IN ROMANIA MADE BY MEFIN ****** IF THE CUSTOMER DOES NOT PROVIDE DOCUMENTATION THAT THIS PUMP WAS INSTALLED BY A CERTIFIED FUEL INJECTION DIESEL SPECIALISTS THERE WILL BE NO RETURN OR WARRANTY WITH NO EXCEPTIONS *****