Genuine OEM Volkswagen Oil Filter, part number 03L115561. This oil filter is designed to remove harmful contaminants such as dirt, debris, and metal particles from the engine oil, ensuring that the oil circulating through the engine is clean. Proper filtration is essential for lubricating engine components, reducing wear, and extending engine life. Genuine OEM oil filters use high-quality filtration media and construction to meet the specific requirements of the engine, ensuring optimal performance and protection.