Wide selection of marine products to help fulfill your boating needs. Safety and maintenance products, boat accessories, and water sports accessories. These standardized product brands and service solutions are backed up by an unparalleled global service organization to meet your requirements for quality, availability, and performance. Our products are renowned today for their ease-of-use, rugged design, and reliability. s new 4238 series washdown pump design was created with a unique over-molded single-piece diaphragm, assuring long life and top performance in all deck washdown plumbing systems. Designed as the next legendary pump to exceed the expectations of our customers, the BLASTER II Series pumps are designed for the toughest marine washdown applications. s quality reputation has been built on the reliability and dependability of every pump we build. The BLASTER II Series washdown automatic demand pumps are thermally protected and can run dry without damage. Fittings and nozzle included. Ignition protected.Features. 3901 Replacement