Includes shorter heavy duty impeller, rear wear plate and overmolded inner (front) wear plate for use when the front of the seawater pump impeller housing is worn due to debris.

Fits:

• Mercury 4.5L (s/n 2A531163 and above)
• Mercury 6.2L MCM models (s/n 2A531197 and above)
• Mercury 6.2L MIE models (s/n 2A530774 and above)
• Mercury 6.2L TowSport models (s/n 2A531348 and above)