Genuine OEM Audi Upper Chain Guide Rail, part number 03H109513B. This component guides the engine chain, maintaining its correct path and tension within the engine timing system. It is positioned in the upper section of the chain assembly. Made from durable plastic, it measures approximately 0.183m in length. Using a genuine OEM guide rail ensures precise fitment and material integrity for reliable engine timing.

Catalogue entry: SEATRUNNER.