These are basically little tubes that sit inside your cylinder head. They guide the valve stems as the valves move up and down – opening and closing to let air and fuel in, and exhaust out. They keep everything lined up correctly. They also help control oil flow, keeping the valve stems lubricated. Think of your engine as a breathing system. The valves are like your nostrils, opening and closing to let air in and out. The valve guides make sure those “nostrils” move straight and smoothly. Without them, the valves would wobble and wouldn’t seal properly, messing up the whole combustion process. It’s a pretty fundamental part of how the engine works. Well, if these wear out or get damaged, you’ll notice a loss of engine power, rough idling, maybe even a ticking sound. More seriously, worn valve guides can lead to valve damage, oil consumption—you'll see blue smoke from your exhaust—and eventually, engine failure. They act like a shield, protecting the valve stems and ensuring a tight seal. If that seal is compromised, everything goes downhill quickly. Replacing them is a bit of work, usually done when the head is off for other repairs, but it's absolutely essential for keeping your engine running right. You can find valve guides, along with a lot of other engine parts, on sites like Fixparts Online. They'll have the right ones for your vehicle. Built to endure: Valve Train Components (MPN 011FX31179000) comes with a 12-month warranty!

About MAHLE

MAHLE drives advancements in vehicle efficiency and sustainability with its engine components and filtration solutions.

Why Choose MAHLE?

• MAHLE parts are built to last, using high-quality materials and advanced engineering so you get reliable performance for years to come. • We make a huge range of parts, from engine components to filters and HVAC systems, meaning you can get almost everything you need from one trusted brand. • MAHLE is an original equipment supplier to many major car manufacturers, so you know our aftermarket parts meet the same tough standards. • We’re constantly innovating to improve our parts and develop new technologies, keeping your vehicle running efficiently and smoothly. Drive with confidence – choose MAHLE parts at FixParts Online.