This part basically takes the force from your foot pressing the brake pedal and turns it into hydraulic pressure. That pressure is what actually pushes the brake fluid through the lines to your calipers or wheel cylinders, which then clamp down on the rotors or drums to stop the car. The reservoir just holds extra brake fluid, keeping the system topped off and allowing for fluid expansion and contraction with temperature changes. It’s a pretty simple idea, but crucial. Think of it as the very first step in the stopping process. Everything starts here. When you push the pedal, this is what gets the whole chain reaction going. Without it working correctly, nothing else matters. It’s kind of like the heart of your braking system – if it’s not pumping properly, nothing gets where it needs to go. It sits up in the engine bay, usually pretty close to where the brake pedal linkage goes in. Obviously, brakes are pretty important, right? But the master cylinder is especially vital. If it starts to leak, or if the internal seals wear out, you’ll lose pressure, meaning it will take longer to stop, or it might not stop at all. You’ll notice if it's failing – the brake pedal will feel soft or spongy, or it might even go all the way to the floor. A failing master cylinder is a safety issue, plain and simple. We carry a good selection of these at Fixparts Online if you're looking, and it's something you definitely don’t want to put off getting fixed. It acts like a shield against complete brake failure, so keeping it reliable is key. Customer-first approach: Brake Master Cylinder with Reservoir (MPN ADG05148) is backed by a 12-month warranty!

About Blue Print

Blue Print provides a comprehensive range of precision-engineered replacement parts for Asian, American, and European vehicles, known for their quality and exact fit.

Why Choose Blue Print?

• We offer a huge range of parts for European cars – everything from AdBlue tanks to wheel bearings. • Blue Print parts are made to the same standards as original equipment, so you know they’ll fit and work well. • We’re trusted by garages and car owners across the country for quality and reliability. • You get great value for your money – top quality parts at a competitive price. Blue Print delivers excellence, FixParts Online delivers to your door.