Genuine OEM Audi Engine Oil Filter Cap, part number 059115311D. This essential component secures the engine oil filter within its housing, maintaining a sealed environment for proper oil filtration. It is positioned at the top of the oil filter assembly. Weighing approximately 0.298 kg, this cap is designed for durability and a precise fit. Choosing a genuine OEM oil filter cap ensures correct thread engagement, sealing properties, and resistance to engine oil and temperature, preventing leaks and maintaining engine health.