This product is a Genuine VW / Audi Turbocharger Coolant Line Bolt with the part number WHT005635A. It is used to secure the coolant line on a turbocharger in Volkswagen and Audi vehicles. This bolt is an original equipment manufacturer (OEM) part and is designed specifically for these vehicles. It is made of high-quality materials to ensure durability and proper functioning. This bolt is an essential component for maintaining the proper cooling of the turbocharger, which is crucial for the performance of the vehicle. It is a direct replacement for the original bolt and is compatible with various VW and Audi models.