The Kränzle 410491 seal set is an original equipment manufacturer (OEM) component designed for Kränzle ML AP series high-pressure pumps featuring 18mm pistons. This comprehensive kit includes all necessary seals and O-rings to maintain the pump's efficiency, prevent leaks, and restore optimal operating pressure. Regular replacement of seals is crucial for the longevity and reliable performance of Kränzle pressure washers. This genuine Kränzle part guarantees perfect fitment and durability.