The Nilfisk Alto KEW6100925 Piston is a genuine OEM replacement part specifically designed for use in Nilfisk Alto high-pressure washer pumps. This essential component plays a critical role in the pump's hydraulic system, facilitating efficient pressure generation and maintaining the overall performance of your cleaning equipment. Manufactured to Nilfisk Alto's rigorous quality standards, this piston guarantees a precise fit and long-lasting reliability. It is also recognized by the alternative OEM part number 106403164.