This part basically takes the force from your foot when you press the clutch pedal and turns it into hydraulic pressure. It's a little chamber filled with brake fluid, and when you push the pedal, it pushes a piston inside, pressurizing that fluid. That pressure is then sent down the hydraulic line to the slave cylinder, which actually disengages the clutch. It’s a fairly simple concept, but key to getting power to the wheels. Think of it as the starting point for disengaging the engine from the transmission whenever you need to change gears. Without it working properly, you won't be able to smoothly shift, or you might not be able to shift at all. It's part of the whole hydraulic system that allows you to operate the clutch. It works with the slave cylinder, they’re a team. Well, if it fails, you'll notice if you can’t get the clutch to disengage properly. That means difficulty shifting, the clutch pedal might feel spongy or go straight to the floor, or it just won't work at all. It’s a safety item, of course, because being stuck in gear is obviously not good. A failing master cylinder can also cause a slow leak of brake fluid, which can cause other issues, and potentially lead to complete clutch failure. If you’re seeing fluid loss or having trouble shifting, it’s definitely something to look at. You can find a replacement pretty easily – we at Fixparts Online carry a good selection – and it’s a repair that can save you a lot of trouble down the road. It acts like a shield protecting the rest of your transmission from unnecessary wear. Buy risk-free: Clutch Master Cylinder (MPN PNB845) is covered by a 12-month warranty!

About TRW

TRW, part of ZF, is a trusted supplier of safety systems including braking, steering, and suspension components.

Why Choose TRW?

• TRW parts are built to meet or beat the original equipment standards, so you get reliable performance. • We offer a wide range of parts – from braking and steering to suspension and engine components – covering many vehicle makes and models. • TRW has over 100 years of experience in the automotive industry, meaning we know what it takes to build quality parts. • Choosing TRW gives you peace of mind knowing you're investing in safety and dependability for your vehicle. TRW – trusted quality, available at FixParts Online!