Genuine OEM Audi Engine Piston Complete, part number 06H107065BE. This critical engine component converts the pressure from combustion into mechanical force, driving the crankshaft. It comes complete with piston rings and pin. Weighing approximately 0.483 kg, it is precision-machined from high-strength alloys. Using a genuine OEM piston ensures correct compression ratio, precise fit within the cylinder bore, and optimal thermal expansion characteristics for reliable engine performance.