Genuine OEM Audi Engine Piston, part number 06E107065DM. This vital engine component is responsible for converting the pressure from combustion into linear motion, driving the crankshaft and ultimately powering the vehicle. It operates within the engine cylinder. Weighing 0.527 kg, genuine OEM pistons are manufactured to exact factory tolerances, ensuring optimal compression, minimal friction, and a long, reliable service life for the engine.