Genuine OEM Audi Vacuum Pipe with Non-Return Valve, part number 1K0612041FR. This flexible pipe is an integral part of the vehicle's vacuum system, specifically designed to manage vacuum flow to components like the brake booster. The integrated non-return valve ensures one-way vacuum flow, maintaining consistent vacuum pressure for reliable brake assistance. Weighing approximately 0.117 kg, a genuine OEM vacuum pipe guarantees correct routing, proper sealing, and reliable valve operation, which is critical for brake system safety and performance.