The Vphix FG200A Fuel Sending Unit is designed for 2003-2007 Ford F-350, F-450, and F-550 trucks running on diesel fuel. It operates on 12V electrical drive and has a fuel level sender resistance of 15 - 158 Ohms. The unit includes clips for installation and is a direct replacement for OE/OEM part number 3C3Z9275DA and supersedes part number 6C349275DA. This product, manufactured by Vphix in China, is specifically tailored for Ford trucks and ensures accurate fuel level monitoring in rear tank.