Genuine OEM Audi Sheet Metal Heat Insulation, part number 420115339J. This heat shield is designed to protect sensitive engine components from radiant heat, typically from the exhaust system. It is positioned in the engine bay, mounted near the exhaust manifold or catalytic converter. Constructed from stamped sheet metal, it is shaped to fit precisely around engine components. Genuine OEM heat shields are made from materials that effectively reflect and dissipate heat, ensuring the longevity of surrounding parts.