This valve basically controls how exhaust gases are reintroduced into the engine's intake. It opens and closes to let a certain amount of those gases back in, and it does that based on what the engine needs at any given moment – things like engine speed, load, and temperature. It's a pretty precise little component, controlled by the engine computer. Think of it as part of the system that keeps your engine running cleanly and efficiently. It works with other components to lower emissions and help with fuel economy. It doesn’t affect how the engine feels when you’re driving, but it's definitely working away in the background. Well, if this valve fails, you'll likely notice a few things. You might get a check engine light, and the car could run a little rough, maybe even stall. More seriously, it can cause an increase in harmful emissions, which isn’t good for the environment and can cause you to fail an emissions test. It also puts extra stress on the engine, because the combustion isn’t as clean. The FKM material—that’s Fluoroelastomer—is used because it can handle the high temperatures and corrosive exhaust gases. It really acts like a shield against all that. You’ll notice if it starts to fail because your engine performance will degrade, or you will almost certainly trigger the check engine light. You can often find a replacement on sites like Fixparts Online, and it's a job a decent DIY mechanic can usually handle, but it’s important to get the right part for your specific car. Professional-grade support: FKM Recirculating Air Valve (MPN 7.02901.05.0) comes with a 12-month warranty!

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. You won’t have to replace them constantly. • We make parts for a lot of different car brands, so there’s a good chance we have what you need. • Our parts help your car run efficiently, which can save you money on gas. • Pierburg has been making quality auto parts for over 100 years – we have the experience to get it right. Performance you can rely on – Pierburg parts from FixParts Online.