Sierra 18-3087 Water Pump Impeller for MerCruiser, MercuryFor use on MerCruiser Bravo Sterndrives and Inboard engines with engine mounted sea water pumps (1999 & older).Replaces: Mercury; 47-59362; 47-59362T; Mallory; 9-45375; 9-45375-10; MerCruiser; 47-59362; 47-59362T1; 47-593621; 47-59362A1; EMP; 47-03908; GLM; 89740; Pro Marine; 64362; Redline; RL3087;