Genuine OEM Audi Engine Timing Chain Slide Rail, part number 05A109514A. This component is essential for guiding the engine timing chain, maintaining proper tension and alignment for precise valve timing. It is located within the engine's timing assembly. Weighing approximately 0.068 kg and measuring 0.15 m in length. Choosing a genuine OEM slide rail ensures the correct material composition and precise dimensions for reliable, long-term performance and reduced wear on the timing chain.