Overview of Turbocharger 819968-5001S The turbocharger with part number 819968-5001S is a high-performance component designed for the Audi Q7 and Volkswagen Touareg models. This turbocharger enhances engine efficiency by increasing air intake, providing a significant boost in power and torque while improving fuel economy. Engineered for reliability and optimal performance, it is essential for maintaining the performance standards of these luxury SUVs.