Mercury Water Pump Impeller Housing Kit 8M0139981

Mercury Water Pump Impeller Housing Kit 8M0139981 is a genuine OEM replacement kit designed to restore proper water pump performance on compatible Mercury and MerCruiser applications. Replacing a worn or damaged impeller housing helps maintain cooling water flow and supports reliable engine cooling.

This genuine Mercury kit is manufactured to OEM specifications for proper fit and dependable performance in demanding marine environments. A worn impeller housing can reduce water pump efficiency, even after installing a new impeller, making housing replacement an important part of cooling system maintenance when wear is present.

Using genuine Mercury replacement parts helps ensure the water pump operates as designed, providing consistent cooling water flow to protect your engine from overheating and unnecessary wear.

To Confirm Compatibility: Contact our team with your engine serial number at (727) 596-5929 before ordering.