Description Mechanical seal and seat assembly 15955S-SHW for select Sherwood raw water pumps, restoring reliable seawater shaft sealing. • Cross References/Supersedes: Sherwood 15955, 23799. • Suitable for Sherwood pump models P2701-01, P2701X, P2703-01 and other early P1700-series pumps. • Designed to replace the original mechanical seal assemblies used with compatible Sherwood pump shaft and bearing configurations. • Genuine Sherwood component for dependable marine engine cooling pump service life.