Genuine OEM Audi Crankshaft Timing Gear, part number 077105261D. This critical component is mounted on the crankshaft and engages with the timing chain or belt to synchronize the rotation of the crankshaft and camshafts. Accurate timing is essential for the engine's combustion cycle and overall performance. Made from robust steel, this gear weighs approximately 0.545 kg. Installing a genuine OEM crankshaft timing gear ensures precise tooth profiles and material hardness, which are vital for maintaining accurate engine timing and preventing premature wear or catastrophic engine failure.