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Impeller Inspection


Flexible impellers for inboard engine cooling pumps should be inspected once a year or every 250 hours, whichever comes first. But JMP Marine contends that since this requires everything be taken apart, why not simply replace? It’s inexpensive insurance to ensure a boat stays in top running condition throughout the season.


"When an impeller fails and the engine overheats, expensive damage can be done very quickly," said Chan "CJ" Jeon, JMP Corporation manager. "Simply replacing this inexpensive part once a year helps keep people safe on the water, without the headaches of mechanical trouble."


JMP manufactures its quality replacement flexible impellers using a unique, long-lasting rubber blend that resists salt, oil and heat. Available for a wide range of manufacturers' pumps, they start at $17 retail and come with a 1-year warranty.


Questions? Contact JMP Marine at 866-537-3959 or visit




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