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A diagnostic check of fuel pressure can confirm failure
Notes Honda BF4
This kit is a direct replacement for Honda OEM part 19021-ZW1-003 and serves as an aftermarket cross-reference for Sierra 18-3187
Remove the mounting bolts securing the old pump to the engine bracket
We strongly recommend you verify the part number or dimensions from your engine's service manual or existing part before purchasing for a 35/40 HP model
Water Pump Impeller Kit – Fits Yamaha F9.9/F13.5/F15/F20 Outboard Motors (Replaces 6AH-W0078-00-00) 4-10HP A diagnostic check of fuelProduct Details This complete Water Pump Impeller Kit provides everything needed to restore the cooling system on Yamaha 4 Stroke F9. 9, F13. 5, F15, and F20 outboard engines from 2006 to 2023. A functional impeller is critical for circulating raw water to prevent the engine from overheating, ensuring reliability and longevity. It is a direct replacement for Yamaha part numbers 6AH W0078 00 00, 6AH W0078 01 00, 6AH W0078 02 00, and Sierra interchange
