Genuine OEM Volkswagen Snap Ring, part number WHT009202. This snap ring is a type of retaining ring designed to secure components in place, typically on shafts or within housings. It is often used in engine assemblies, such as for piston pins. The ring has a diameter of approximately 20mm and a thickness of 1mm. Genuine OEM snap rings are manufactured from high-strength materials to ensure they maintain their tension and securely hold components, preventing axial movement and ensuring proper engine function.