Genuine OEM Volkswagen Piston Assembly, part number 038107065KK001. This vital internal engine component converts the pressure from combustion into mechanical force, driving the crankshaft. It moves reciprocally within the engine cylinder bore. The assembly includes the piston, piston rings, and a wrist pin, ready for installation. Constructed from high-strength aluminum alloy, it is designed to withstand extreme temperatures and pressures. Weighing approximately 0.824 kg, this piston assembly is manufactured to precise tolerances for optimal compression and oil control. Using a genuine OEM piston assembly ensures correct dimensions, material composition, and weight balance, which are crucial for engine performance, efficiency, and long-term durability.