This product is a genuine Ford C-Max MK1 1.8 TDCi Siemens fuel injector with the manufacturer part number 4M5Q-9F593-AD. It is designed for diesel vehicles and is a high-quality replacement part produced in the United Kingdom. This fuel injector is specifically compatible with Ford C-Max models from 2003 to 2011, ensuring optimal performance and efficiency for your vehicle. S4 (4) s13 (3)