It essentially seals the top of the engine where the valves are. Inside, it holds the oil that lubricates everything up top, and it keeps dirt and debris out. It also often houses components like the spark plug wires – that’s why you find it listed with ignition leads sometimes. It’s got a pretty simple job, but it's crucial. Think of it like the engine’s hat. It physically covers and protects the valve train—all those moving parts that open and close the valves. It also manages oil flow, directing it back down into the oil pan. It’s a key part of keeping everything running smoothly under the hood. It’s not something the engine can’t run without, but it’ll run poorly, and quickly develop problems. It’s important because if it fails, you're gonna have oil leaks. Oil leaks aren’t just a mess, they’re a fire hazard and they can seriously damage other engine components. A cracked or warped valve cover acts like a broken seal, letting oil escape. You’ll notice if it's leaking, usually as a slickness on the engine, or even a burning oil smell. Plus, if the cover cracks, that exposes those vital valve train parts to dirt and other contaminants. You can find a replacement valve cover pretty easily; Fixparts Online carries a good selection. But it’s best to address a failing valve cover promptly, before a small leak turns into a major headache. Backed by experts: Valve Cover (MPN 1220703012) includes a 12-month warranty!

About Bosch

Robert Bosch GmbH is a global leader in automotive technology, offering high-quality parts and systems that enhance vehicle efficiency, safety, and reliability.

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. Bosch – trusted quality, available at FixParts Online!