The Sierra 18-3149 Water Pump Base Kit contains the service components required to rebuild the water pump in Mercury applications and restore cooling-water flow. It replaces Mercury 42040T5.
For:Â 10 Magnum, Marathon, Sea Pro, Viking
For:Â 15 Marathon, Sea Pro, 6/8/9.9Hp, and XR10
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-3149?
Sierra 18-3149 is an aftermarket water pump base kit for Mercury Outboard applications.
Which part numbers cross-reference Sierra 18-3149?
This listing cross-references Chrysler/Force/US Marine 46-42040A5, GLM 12305, Mercury 42040T5 and Mercury 46-42040A1. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-3149 fits my Mercury Outboard application?
Contact us with your engine model and serial number and we'll help check suitability.
Australian Dollars
