Water Pump Impeller Kit – Fits Yamaha F50A 4-Stroke (Replaces Yamaha 6BG-W0078-01-00, Sierra 18-3434) 3.6HP Includes a new impeller and

Includes a new impeller and essential replacement components for a full repair

Assembly includes the required O-rings and seals for installation

Product Type Complete Lower Unit Installation Direct Bolt-On Replacement Gear Ratio 2

It serves as a direct replacement for multiple part numbers

A temperature sender (like this part) provides a variable resistance signal to a gauge

Water Pump Impeller Kit – Fits Yamaha F50A 4-Stroke (Replaces Yamaha 6BG-W0078-01-00, Sierra 18-3434) 3.6HP Includes a new impeller andProduct Details This Water Pump Impeller Kit provides a complete solution for servicing the water pump on Yamaha 4 stroke 4050 HP outboards, including models F40, F50A (19912007), F30LA, and F40LA. It is designed to restore cooling system performance and prevent engine overheating. It serves as a direct replacement for Yamaha part numbers 6BG W0078 01 00 and 6BG W0078 00 00, as well as aftermarket equivalents Sierra 18 3434, JLM YHJB 6BG, and