Genuine OEM Volkswagen Gravity Valve, part number 7M3201751. This valve plays a role in regulating fluid flow, typically within the fuel or evaporative emissions system, by responding to changes in vehicle orientation or tilt. It helps prevent fuel spillage or improper vapor flow in specific conditions. This small plastic valve includes an O-ring for a secure seal and weighs approximately 0.04 kg. Using a genuine OEM gravity valve ensures precise operation and compatibility with the vehicle's fluid management systems, maintaining safety and emissions compliance.