Mercedes Engine Oil Filler Cap Gasket - Genuine Mercedes 6420180180

Product Information

An engine oil filler cap gasket is a small, often rubber or silicone ring that sits between the engine oil filler cap and the valve cover. Its purpose is to form a seal that prevents engine oil from leaking out and contaminants like dirt and debris from entering the engine. Over time, exposure to high temperatures and engine oil can cause the gasket to wear out, become brittle, degrade, leading to leaks or other issues.

• Oil Leaks around the Filler Cap: One of the most common signs of a worn gasket is visible oil around the filler cap area. If the gasket can’t form a proper seal, oil may seep out, especially when the engine is running and oil pressure is higher
• Dirt or Debris near the Filler Cap: A compromised gasket may allow dust and dirt to enter the engine compartment, leading to contamination of the oil and potential damage to engine components
• Loose Filler Cap: If the gasket is overly worn or damaged, the cap may not fit securely, leading to a looser, wobbly fit that can exacerbate leaks and make it easier for contaminants to enter

About Genuine Mercedes

The original parts used by Mercedes Benz to build your car are available as replacement parts under the “Genuine Mercedes Benz” brand. Manufactured under the direction of Mercedes Benz, expect excellent quality and a premium price since these parts are exclusively available through the Mercedes Benz Dealership network.

You may not realize this, but the parts that make up your Mercedes-Benz are not necessarily manufactured by Mercedes-Benz. No cause for concern, as Mercedes-Benz designs the part, hires a manufacturer, and ensures its quality to you. In fact, many of these manufacturers have been making parts for Mercedes-Benz for decades. In our industry these manufacturers are called OEM (Original Equipment Manufacturers), and these are often brands you recognize, including Lemforder, ZF, Sachs, Bosch, Valeo, Zimmermann, Siemens VDO, Corteco, and more. Don’t be surprised to open that Genuine Mercedes-Benz parts box and find an OEM branded part inside, simply with the addition of a Mercedes-Benz logo.

Be sure to keep an eye out for OE tags on our product pages to quickly identify parts coming direct from OE manufacturers. That extra bit of insight could save you some serious money while shopping! Refer to our OE Academy for further information regarding the OE/OEM tags throughout the site.