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. We’re here to help: Pressure Limiting Valve (MPN 1110010026) has 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, 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. FixParts Online – Your Trusted Source for Quality Bosch Auto Parts.