This valve basically regulates the fuel pressure coming from your high – pressure pump. It's designed to relieve excess pressure, preventing it from getting too high and potentially damaging other components in the fuel system. Think of it as a safety valve. It opens when the pressure gets too much, releasing some fuel back to the tank, maintaining a safe operating level. It doesn't control the pressure normally, just steps in when things go too far. It’s located within your fuel supply system, specifically tied to that high – pressure pump that feeds fuel to your engine. It's a small part, but it's absolutely critical for consistent fuel delivery. Without it, the pump could really push things too hard. It ensures the fuel injectors get the right amount of fuel at the right pressure, which impacts how the engine runs, everything from starting to performance and even fuel economy. If this valve fails, you’ll notice if it’s leaking—you might smell fuel, or even see a puddle under the car. More seriously, if it sticks closed and doesn't relieve pressure, you’re looking at potential damage to fuel lines, injectors, or even the high – pressure pump itself. That’s a costly repair. It’s a relatively inexpensive part to replace, compared to the damage a failing one can cause. You can often find them on sites like Fixparts Online, along with all the other fuel system components you might need. Replacing it proactively, especially if you’re doing other work on the fuel system, is a smart move. Proven reliability: Pressure Limiting Valve (MPN 1110010022) is backed by a 12-month warranty!

About Bosch

With a heritage of innovation, Bosch provides dependable and efficient automotive components that set industry standards.

Why Choose Bosch?

• Bosch parts are known for being reliable and lasting a long time, saving you money in the long run. • They work well right out of the box, so you can get back on the road quickly and easily. • Bosch invests a lot in research and development, meaning they’re always improving their parts with the latest technology. • Whether you drive a newer car or an older one, Bosch has a wide range of parts to fit your vehicle. Bosch – trusted quality, available at FixParts Online!