Genuine OEM Volvo Fuel Pressure Sensor O-Ring, part number 30713581. This O-ring is specifically designed to create a seal around the fuel pressure sensor, ensuring no fuel leaks occur and maintaining the correct fuel system pressure. It is a critical component for the fuel system's performance and safety. Made from high-quality, fuel-resistant material. Genuine OEM O-rings provide the precise fit and material properties required for fuel system integrity.