Genuine OEM Volkswagen Intake Connection Piece, part number 1K0129635A. This part serves to join different components within the air intake system, ensuring a sealed and efficient pathway for air to reach the engine. It is typically made of durable plastic designed to withstand engine bay conditions. Proper sealing is crucial for preventing air leaks and maintaining optimal engine performance. Genuine OEM parts ensure the correct fit and material integrity for long-term reliability.