Genuine OEM Volkswagen Intake System Valve Retainer, part number 06H133519D. This small but crucial component is designed to securely hold a valve in place within the intake manifold assembly, preventing movement and ensuring its correct operation. Weighing just 0.037 kg, it is engineered for precise fitment. Using a genuine OEM retainer guarantees the correct material strength and dimensions, maintaining the integrity of the intake system and preventing potential air leaks or valve malfunctions.