Show Ad Search for: Advanced Search Place Ad Browse Ads Search Ads WTB, Mercury KE4 Impeller, Found Contact Information Contact sherbs More Information Looking to purchase a water pump impeller for a Mercury KE4 7.5 hp. Part # is 47-24472 OEM or Aftermarket. Thanks everyone! I am going to order one on Monday, my search is over. This Ad has been viewed 33 times.