Impeller Replacement KitA worn or damaged impeller can cause system failure or engine breakdown. Johnson Pump brand impellers are developed and manufactured for maximum flow and long life. With a genuine spare impeller from Johnson Pump, you can also be sure that you are getting the quality required by engine manufacturers and professionals. Johnson Pump: 09-702B-1Jabsco: 18948-0001Sherwood: 10615KEngines/Pumps:Chris Craft; Chrysler Marine; Commander; Crusader; Escort (Skiltec); Gray Marine; Isuzu; Lenco; Marine Power; North American Engine; Onan; Osco Motors; OMC; Perkins Engine U.S.; Plesurecraft Marine; Volvo Penta; J.H. Westerbeke Corp; Crusader 97179; Chrysler 3675763; Chrysler 4142878; Cummins 4B; Onan MDL6; Chris Craft 454; Pleasure Craft 454 Quick Guide (pdf)Owner’s Manual (pdf)