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. One size fits all: Clutch Master Cylinder (MPN 0986486153) has a 12-month warranty!

About Bosch

Robert Bosch GmbH is a global leader in automotive technology, offering high-quality parts and systems that enhance vehicle efficiency, safety, and reliability.

Why Choose Bosch?

• Bosch parts are known for being reliable and lasting a long time, which can save you money on repairs in the future. • They’re a leading supplier to car manufacturers, so you’re getting the same quality parts used in many new vehicles. • Bosch invests a lot in research and development, meaning their parts often have the latest technology for better performance. • You can find Bosch parts for a wide range of vehicles, from older models to the newest cars and trucks. Performance you can rely on – Bosch parts from FixParts Online.