Genuine OEM Volkswagen Piston, part number 038107065AB001. This piston is a critical component within an engine cylinder, moving up and down to convert the force of combustion into rotational motion. It is supplied with piston rings and a gudgeon pin. The '001' suffix indicates a specific variant, often related to color or minor specification. Genuine OEM pistons are manufactured to exact tolerances for optimal engine performance and longevity.