Genuine OEM Audi Engine Oil Filter End Cap, part number 059121168C. This small but vital component is designed to secure the end of the engine oil filter, ensuring a proper seal and preventing leaks. It is typically located at the end of the oil filter housing. Constructed from durable plastic, it weighs only 0.0059 kg and measures approximately 3.6 cm in length. Using a genuine OEM end cap guarantees precise fitment and material integrity, crucial for maintaining the oil filter's effectiveness and preventing oil contamination or loss.