Genuine OEM Volkswagen Timing Chain, part number 021109465B. This timing chain is crucial for synchronizing the rotation of the crankshaft and camshafts, ensuring proper engine timing and valve operation. It is located within the engine's timing system. Manufactured from high-strength steel for exceptional durability and resistance to wear, ensuring a long service life. Genuine OEM timing chains are manufactured to exact tolerances, guaranteeing precise fitment and reliable operation, which is critical for preventing catastrophic engine damage.