Genuine OEM Volkswagen Piston Rings, part number 070198151A. This set includes the necessary rings for one piston, crucial for sealing the combustion chamber, transferring heat from the piston to the cylinder wall, and regulating oil consumption. They are positioned around the piston. Manufactured from high-strength, wear-resistant steel alloys to ensure durability and proper function. Genuine OEM ensures exact dimensions and material properties for optimal engine sealing and performance.