This is a genuine ELRING oil filler cap, part number 071.340. It is designed to provide a reliable and secure seal for your vehicle's oil system, preventing any potential leaks and maintaining optimal engine performance. Crafted with durable materials, this cap is built to withstand the demanding conditions under the hood. Its precise fit ensures easy installation and a tight closure, safeguarding your engine's internal components from contaminants and moisture. Regular inspection and replacement of your oil filler cap are crucial for engine health. A worn or damaged cap can lead to oil loss and contamination, potentially causing significant engine issues. Trust ELRING for quality and durability in essential engine components.