Genuine OEM Volkswagen Complete Piston, part number 022107065G. This fundamental engine component is responsible for converting the pressure from combustion into mechanical force, which drives the crankshaft. It moves within the engine cylinder. This piston comes complete with rings, measures approximately 83mm in diameter and 65mm in height, and weighs 0.497 kg. Using a genuine OEM piston ensures precise dimensions, correct material alloys, and factory-specified tolerances, which are critical for optimal engine compression, power delivery, and long-term reliability.