This Automotive Fluid Extractor Pump is designed for evacuating or topping off master cylinders and other reservoirs, extracting brake fluid out of a reservoir and adding new fluid before flushing brake fluid at the calipers Made of high quality material, solid, durable and high strength, long service life. It is designed for evacuating or topping off master cylinders and other reservoirs, extracting brake fluid out of a reservoir and adding new fluid before flushing brake fluid at the calipers. And it require pumping fluid through a fill hole in the side of the trans, and filling transfer cases and differentials, even transfer high viscosity fluids. Excellent for use with oil, coolant and hydraulic systems durable, oil and chemical-resistant. Suitable for ATVs, boats, farm equipment. Great for industrial gear boxes, motor vehicles, motor bikes, RVs, etc.