Genuine OEM Audi Engine Timing Chain, part number 07P109503. This vital engine component is responsible for synchronizing the rotation of the crankshaft and camshaft, ensuring precise valve timing. It operates within the engine's timing system, connecting the crankshaft to the camshafts. Constructed from high-strength metal, this timing chain weighs approximately 0.478 kg and is built for durability. Choosing a genuine OEM timing chain guarantees exact pitch and material specifications, preventing premature wear, maintaining engine efficiency, and avoiding catastrophic engine damage.