Genuine OEM Volkswagen Engine Piston, part number 06D107066AB. This vital internal engine component is responsible for converting the energy from combustion into mechanical force, driving the crankshaft. It sits within the cylinder bore, reciprocating with each combustion cycle. Weighing 0.504 kg with dimensions of 88mm x 88mm x 50mm, this piston is engineered to exact factory tolerances. Using a genuine OEM piston ensures optimal engine performance, balanced operation, and long-term durability, preventing premature wear and potential engine damage.