The clutch master cylinder’s job is pretty simple, actually. It takes the force from when you push down on the clutch pedal, and it translates that into hydraulic pressure. It's basically a pump that pushes fluid—brake fluid, usually—down the line. That pressure is what ultimately disengages the clutch, letting you shift gears. It doesn't do the disengaging itself, it just starts the whole process. It's a key part of the hydraulic clutch system. When you press the pedal, it pushes a piston inside the master cylinder. That piston pushes fluid through a line to the slave cylinder – that’s usually mounted on the transmission. The slave cylinder then physically pushes on the clutch fork, which disengages the engine from the transmission. It works in concert with the slave cylinder; one doesn’t work without the other. It acts like a shield, protecting the rest of the system from having to deal with the full force of your foot. Honestly, if it starts failing, you’ll notice. Usually it’ll show up as a soft or spongy clutch pedal—it won’t feel solid. Sometimes you'll get a low pedal, meaning it goes almost to the floor before the clutch disengages. Eventually, it can lead to difficulty getting into gear, or even the clutch not disengaging completely. That puts a lot of stress on everything and can really damage your transmission. If you're having problems with your clutch, a failing master cylinder is one of the first things we check. If you’re looking to replace it, places like Fixparts Online often have a good selection and competitive prices. Replacing it before it completely fails can save you a lot of money and headache in the long run. Reliable engineering: Clutch Master Cylinder (MPN 0986486154) includes a 12-month warranty!

About Bosch

Bosch is a global leader in automotive technology from Germany, celebrated for its innovative products and high-quality components. Based in Germany, Bosch drives advancements in vehicle safety and efficiency worldwide.

Why Choose Bosch?

• Bosch parts are known for lasting a long time, so you won’t have to replace them often. • They perform reliably, helping to keep your vehicle running smoothly and safely. • Bosch invests a lot in research and development, meaning you’re getting the latest technology. • Mechanics trust Bosch, and that’s a good sign of quality and performance you can depend on. Drive with confidence – choose Bosch parts at FixParts Online.