The replacement for the Mercruiser 47-59632T6 Raw Water impeller is the main impeller used from the 1980’s through 2003 on Mercruiser Inboard Motors. Mercruiser engines were used on a wide variety of inboard manufacturer’s boats through the 1980’s, 1990’s, and into the 2000’s.

We recommend checking your engine maintenance manual for the service interval for changing the raw water pump impeller on your specific engine. Staying on this maintenance plan with keep your boat running smooth and happy for years to come.