Genuine OEM Volkswagen Fuel Delivery Unit and Sender, part number 3C8919051B. This critical component is responsible for pumping fuel from the fuel tank to the engine, ensuring a consistent and adequate supply for combustion. It also incorporates a fuel level sender to accurately report the remaining fuel volume to the vehicle's gauge. This unit weighs approximately 1.455 kg. Choosing a genuine OEM fuel delivery unit guarantees correct fuel pressure, reliable level sensing, and proper electrical connections for optimal engine performance and safety.