Genuine OEM Audi Timing Belt, part number 03L109119E. This critical engine component synchronizes the rotation of the crankshaft and camshaft, ensuring precise valve timing for optimal engine performance. Constructed from high-strength, reinforced rubber and weighing 0.21 kg, it is designed for durability and resistance to wear. Choosing a genuine OEM timing belt guarantees the correct tooth profile and material composition, preventing catastrophic engine damage from belt failure.