Genuine OEM Volkswagen Protective Ring, part number 0AA409375D. This metallic component is designed to provide protection for other parts within the drivetrain assembly, preventing wear or damage from debris. It is a small, dished ring, weighing approximately 0.04 kg and measuring 7.2 cm in diameter. Selecting a genuine OEM protective ring ensures it meets the exact specifications for fit and material strength, offering reliable long-term protection for critical drivetrain components.