Genuine OEM Volkswagen Suction Line, part number 027133373Q. This line is a critical component of the engine's intake system, responsible for regulating air flow and pressure. It is typically located between the air mass sensor and the throttle body. Constructed from durable, heat-resistant rubber and plastic to withstand engine bay conditions. Genuine OEM parts ensure precise fit and function, maintaining the integrity of the intake system and optimal engine performance.