The Dorman 603-645 Brake Fluid Reservoir is a high-quality, performance part specifically designed for select Audi and Volkswagen models from 1997 to 2005. Made of durable plastic and backed by a limited lifetime warranty, this brake master cylinder reservoir is a perfect fit for Audi Allroad Quattro, Audi RS4, Audi A6, Audi S4, and Volkswagen Passat vehicles. With interchange part numbers 4B0611301C, 4B0611301D, and 4B0611301E, this product ensures a seamless fit and reliable braking performance for your vehicle. Designed by the trusted brand Dorman, this brake fluid reservoir is a crucial component for maintaining safe and efficient braking on the road.
