Audi A4 Front BrakeMasterCylinderReservoir. Brand: Autopart Premium. Fits Y...Audi A4 Front Brake Master Cylinder Reservoir. Brand: Autopart Premium. Fits Years: 1996, 1997, 1998, 96, 97, 98. Brake Master Cylinder Reservoir -- With Cap and Sensor; All Engines Brake Master Cylinder Reservoir with Sensor for Audi A4 VW Passat A6...more