A shear pin is a safety device
Apply a small amount of marine grease to the inside of the pump housing and install it over the impeller
Reconnect the battery and test the engine using a water source (flushing muffs) to confirm proper water flow from the tell-tale outlet
How do I know if this impeller will fit my engine
so cross-referencing your part numbers is the most reliable method
Water Pump Impeller – Fits Honda Marine 8, 9.9, 10 HP (Replaces 19210-ZW9-013, 19210-ZW9-003) SeaSierra A shear pin is aProduct Details This replacement Water Pump Impeller Fits Honda Marine 8, 9. 9, 10 HP is designed for 4 stroke outboard engines, including BF8D, BFP8D, BF9. 9D, and BFP9. 9D models manufactured between 2001 and 2019. It ensures reliable cooling system performance to protect your engine from overheating. Serves as a direct replacement for Honda OEM parts 19210 ZW9 013 and 19210 ZW9 003, as well as aftermarket equivalents Sierra 18 3100, CEF 500347, and