Genuine VW/Audi Engine Piston Ring (Q7 A6 Quattro A8 Quattro S5) - 077198151K, a high-quality replacement part for Volkswagen and Audi vehicles. It is designed to fit perfectly and ensure a smooth and reliable operation. It is made from durable materials and is compatible with all Q7, A6 Quattro, A8 Quattro, and S5 models.