Genuine OEM Audi Engine Oil Filter Housing Cover, part number 077115433B. This component is designed to seal the engine oil filter housing, preventing oil leaks and ensuring the oil filter remains securely in place to perform its filtration function. It is typically located at the top or end of the oil filter assembly. Made from durable plastic, it measures approximately 9cm in diameter and 6cm in height. Choosing a genuine OEM cover ensures a perfect fit, proper sealing, and resistance to engine heat and oil, which is critical for preventing costly oil leaks and maintaining engine longevity.