Genuine OEM Jaguar Transmission Vent Tube, part number C2D23081. This tube is crucial for allowing pressure equalization within the transmission, preventing vacuum or overpressure conditions that could damage seals or affect fluid circulation. It is typically routed from the transmission housing to a higher point, often secured to the chassis. Choosing a genuine OEM vent tube ensures correct material composition and precise routing geometry for reliable, long-term performance.