This little guy takes the fuel pressure coming from the fuel pump and dials it down to what the engine actually needs. The pump sends a lot of pressure—think of it like water coming out of a firehose—but the engine doesn't need that much. The regulator bleeds off the excess fuel and maintains a steady, consistent pressure at the fuel rail, which feeds the injectors. It’s basically a valve that manages the flow. It sits in the fuel line, usually near the fuel tank or engine, and is a key part of the fuel delivery system. It works with the fuel pump and fuel injectors to ensure the engine gets the right amount of fuel, consistently. Without it, you’d have unpredictable fuel delivery, which messes everything up. It's pretty crucial, honestly. If this thing fails, you’ll notice if your engine is running rough, idling poorly, or maybe even stalling. Too much pressure can flood the engine, and too little means it’s starved for fuel. It acts like a shield, protecting the sensitive fuel injectors from getting damaged by overpressure. It also affects your gas mileage and emissions. You can find these pretty easily, Fixparts Online carries a good selection of them, and replacing a faulty one can save you a lot of headaches down the road. It’s one of those parts that’s not hugely expensive, but makes a big difference when it’s working right. Get more for your money: Pressure Regulator (MPN 7.22017.50.0) is covered for 12 months!

About Pierburg

Pierburg is a distinguished German brand specializing in emission control, air supply, and fuel systems for modern vehicles. Originating from Germany, Pierburg focuses on sustainable and efficient solutions to support advanced automotive technologies.

Why Choose Pierburg?

• Pierburg parts are known for lasting a long time, even in tough conditions. They're built to handle everyday driving and help keep your vehicle on the road. • We make parts for a lot of different car brands, so there's a good chance we have what you need, whether you drive a newer or older vehicle. • Our parts help improve how your engine runs, which can give you better gas mileage and performance. • Pierburg has been making auto parts for over 100 years. We’re a trusted name that mechanics and drivers rely on. Drive with confidence – choose Pierburg parts at FixParts Online.