Genuine OEM Audi Timing Chain Guide Rail, part number 079109510M. This component is crucial for the engine's timing system, providing a smooth and controlled path for the timing chain. Its function is to guide the chain, preventing slack and ensuring precise synchronization between the crankshaft and camshafts, which is vital for valve operation. The rail features a durable metal base with a low-friction polymer surface, measuring approximately 0.149 meters in length. Choosing a genuine OEM guide rail ensures exact dimensions, material quality, and resistance to wear, critical for the long-term reliability and performance of the engine's timing mechanism.

Catalogue entry: RAIL right.