This fluid extractor is for Automotive Fluids such as ATF, Engine Oil, Power Steering Fluid and Coolant. This pump uses NBR rubber seals, which is NOT SUITABLE for Brake Fluid. Slippery Pete - 250cc Automotive Fluid Extractor Pump, Transfer Engine Oil, ATF, Power Steering Fluid, Coolant to and from Fluid Containers and Reservoirs (NBR Seals NOT Suitable for Brake Fluid).