Genuine OEM Audi Fuel Line Heat Insulation, part number 1J0201961B. This molded component is designed to shield the fuel line from high temperatures generated by the engine or exhaust system. Measuring approximately 0.355 meters in length and weighing 0.236 kg, it helps maintain fuel temperature stability and prevents issues like vapor lock. Using genuine OEM heat insulation ensures the correct material properties and precise fitment, providing effective thermal protection and contributing to the longevity and safe operation of the fuel system.