Febi Bilstein Brake Caliper Rear Axle Left 178086. This brake caliper is designed for the rear axle and is positioned on the left side of the vehicle. It is a new part and is compatible with VW and Audi Group vehicles. Please always check if this product is correct for your vehicle before purchasing. The caliper features a cast aluminium material and is a single piston brake caliper. Its paired article number is 178087, and it weighs 1.4 kg. The piston diameter is 38 mm. This product is supplied by an authorised Febi stockist. Note: Products are usually supplied without fittings.