The MAN 51103040050 pressure limiter valve is a critical component within the fuel supply system of an engine. It regulates fuel pressure, ensuring stable engine operation and preventing damage caused by overpressure. This valve is manufactured in the Czech Republic and measures 28 x 28 x 67 mm. Its precise construction and durable materials contribute to consistent performance, enhanced fuel efficiency, and extended component life. This valve basically regulates the fuel pressure coming from your high – pressure pump. Think of it like a traffic controller for fuel. It releases excess pressure, keeping things at a safe and consistent level. It doesn’t make the pressure, it just manages it. It’s a relatively simple component, but crucial for the fuel system to operate correctly. It sits right in the fuel line, usually after the high – pressure pump and before the fuel rail. That rail feeds fuel to the injectors. It ensures the injectors get fuel at the correct pressure so they can spray the proper amount into the engine. Without it, the pressure could climb way too high, or it could fluctuate, messing with the engine’s performance. Too much pressure can damage the injectors, fuel lines, and even the engine itself. It's a safety feature, really. It acts like a shield, preventing catastrophic failure. You’ll notice if this valve starts to go bad because you’ll probably experience things like rough idling, loss of power, difficulty starting, or even a check engine light. Sometimes you’ll get a fuel leak too. A failing one can really hurt performance and, potentially, your wallet with costly repairs. You can find a replacement for most makes and models at places like Fixparts Online, and honestly, it’s a fairly straightforward repair for a DIYer, though always follow a repair manual. MAN quality assured: Pressure Limiter Valve (MPN 51103040050) includes a 12-month warranty!

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• MAN auto parts are built to last, using high-quality materials so you don’t have to replace them often. • We have a huge selection of parts for many different vehicles, making it easy to find what you need. • Our parts are designed to meet or beat the original equipment standards, ensuring a perfect fit and reliable performance. • We offer competitive prices and fast shipping, so you can get your vehicle back on the road quickly and affordably. Performance you can rely on – MAN parts from FixParts Online.