Genuine OEM Audi Intake Manifold Housing Gasket, part number 022133237D. This gasket is designed to create a tight seal for the intake manifold housing, preventing air leaks that could affect engine performance and fuel efficiency. It is a red O-ring, approximately 90mm in diameter and 14mm thick, weighing 0.005 kg. Using a genuine OEM gasket ensures the correct material composition and precise dimensions for a perfect, leak-free fit and optimal engine function.