This is a genuine VW Volkswagen catalytic converter with the part number 5C0253059AL. It is designed to be used in Volkswagen vehicles and is a crucial component in reducing harmful emissions from the exhaust system. This catalytic converter is made from high-quality materials and is manufactured to meet the strict standards set by VW. It is an essential part of the vehicle's emission control system and helps to maintain the overall performance and efficiency of the engine.