Genuine OEM Audi Engine Control Chain Slide Rail, part number 059109514N. This component is essential for guiding the engine control chain, maintaining proper tension and alignment during engine operation. It is typically located within the engine's timing assembly. Constructed from durable, low-friction plastic, it measures 0.192m in length and weighs 0.0499 kg. Genuine OEM chain slide rails provide the exact material composition and dimensions for reliable chain tension and longevity, preventing premature wear.