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. Customer-first approach: Clutch Master Cylinder (MPN PNB426) is backed by a 12-month warranty!

About TRW

TRW is renowned for its precision-engineered steering parts that meet or exceed OEM standards.

Why Choose TRW?

• TRW parts are known for being reliable and lasting a long time, meaning fewer repairs for you. • We make parts for many different types of vehicles, so there's a good chance we have what you need. • TRW has been a trusted name in auto parts for over 100 years – we have a lot of experience. • Our parts meet or exceed the standards set by car manufacturers, so you can be confident in their quality and safety. TRW – trusted quality, available at FixParts Online!