Genuine OEM Volkswagen Rear Axle Vent Hose, part number 2K0525095C. This hose is crucial for the proper function of the rear axle differential, allowing it to vent internal pressure and moisture without contamination. It is located near the rear axle, typically connected to the differential housing. Measuring 0.8 meters in length, this hose is designed for precise routing. Using a genuine OEM vent hose ensures the correct material and flexibility for long-term durability in varying temperatures and conditions, preventing differential damage.