Genuine OEM Audi Timing Chain Guide Rail, part number 079109469AL. This critical engine component is responsible for guiding the timing chain, maintaining its correct path and tension to ensure precise valve timing and smooth engine operation. It is typically located within the engine's timing cover assembly. Constructed with a durable metal base and a low-friction plastic wear surface, it measures 0.17 meters in length and weighs 0.125 kg. Using a genuine OEM guide rail is essential for maintaining engine reliability and preventing catastrophic timing chain failure due to incorrect tolerances or material degradation.

Catalogue entry: RAIL left.

Fitted with: 079109469AM RAIL, N91129001 SCREW, 06E109465BH timing cha, 079109139L SEAL, 079109507T TENSIONER, N10124304 BOLT, N90888502 SCREW, N90962301 SCREW.