The Sierra 18-73964 Prop Nut Kit contains the propeller retaining hardware required for installation or routine propeller servicing in Mercury applications.
Prop nuts and hardware for:
Nissan/Tohatsu F8 and 9.9 HP outboard engines
Mercury 8 HP and 9.9 HP (s/n 0R042475 & Up) outboard engines
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-73964?
Sierra 18-73964 is an aftermarket prop nut kit for Mercury & Tohatsu / Nissan Outboard applications.
Which part numbers cross-reference Sierra 18-73964?
This listing cross-references Mallory 9-73964. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-73964 fits my Mercury & Tohatsu / Nissan Outboard application?
Contact us with your engine model and serial number and we'll help check suitability.
Australian Dollars
