Mercruiser Gen 5/6 Replacement Enhanced Duty Sea Water Pump 

This pump is the enhanced duty unit using a OEM style plastic impeller housing and impeller. The pumps are assembled and tested right here in the USA and are the best money can buy. These pumps include a vent equalizer that allows venting of pressure build up inside the Sea Pump housing that could create premature failure to be released through the existing fuel pump vent system. The pumps are assembled and tested right here in the USA and are the best money can buy.

• Enhanced Duty Version includes vent equalizer system.
• Perfect for users looking for an upgrade on the stock pump design.
• For Extreme Heavy Duty applications use 625-4118 instead.
• OEM Style Plastic Housing
• High Speed Roller Bearings
• Accepts OEM Factory Pulley
• Replaces Mercruiser #'s 46-807151A8 and 72774A82