Genuine OEM Audi Engine Timing Chain Guide, part number 07P109513A. This essential component plays a critical role in the engine's timing system by precisely guiding the timing chain, preventing slack and ensuring accurate valve timing. It is positioned within the engine's timing chain assembly, maintaining proper chain tension and alignment. Constructed from durable, low-friction material, it measures approximately 0.204 meters in length. Choosing a genuine OEM timing chain guide ensures the correct material properties, precise dimensions, and resistance to wear, which are vital for the long-term reliability and performance of the engine's valvetrain.