Aftermarket Mercury Outboard 47-8M0214944 Impeller
The Sierra 18-3054 Impeller is designed to restore water-pump output and maintain cooling-water flow through the engine in Mercury applications. It replaces Mercury 47-89980.
I.D.:Â 0.438" or 11.1mm
Fits:Â Various outboards 3.5-9.8
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-3054?
Sierra 18-3054 is an aftermarket impeller for Mercury Outboard applications.
Which part numbers cross-reference Sierra 18-3054?
This listing cross-references GLM 89800, Mercury 47-68988, Mercury 47-89980 and Mercury 47-89980B. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-3054 fits my Mercury Outboard application?
Contact us with your engine model and serial number and we'll help check suitability.