Genuine OEM Volkswagen Piston, part number 028107065AK001. This piston is a critical component of the engine's combustion chamber, responsible for converting pressure into rotational motion. It is located within the cylinder bore. This specific piston is identified by a blue color code. Genuine OEM pistons are manufactured to exact specifications, ensuring proper fit, optimal compression, and efficient heat dissipation for a reliable and long-lasting engine.