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Brand Part Number Yamaha 6G5-W0078-A1-00 Yamaha 6G5-W0078-00-00 Yamaha 6G5-W0078-01-00 Sierra 18-3311 Mallory 9-48618
Brand Part Number Mercury 821354A2 Mercury 821354A1 Mercury 821354A04 Sierra 18-4531 GLM 12045 Pro Marine 3219 Pro Marine 3219-1 SEI Marine 96-265-03BK
Symptoms of a bad filter include engine hesitation
and interchanges with Sierra 18-3215 and GLM 12107
Water Pump Impeller Kit – Fits Mercury Marine 2-Cycle Outboards 30-70 HP (Replaces Mercury 46-77177A3, Sierra 18-3324) 200-300HP Brand Part Number Yamaha 6G5-W0078-A1-00Product Details This Water Pump Impeller Kit is a complete assembly designed to restore the cooling system on Mercury and Mariner 2 cycle outboards from 30 to 70 HP (19771997). The kit includes the impeller, housing, gaskets, and all necessary hardware for a full replacement, ensuring your engine maintains proper operating temperature. It serves as a direct replacement for Mercury parts 46 77177A3 77177A3 and interchanges with Sierra 18 3324, GLM
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