Outboard Water Pump Impeller for Evinrude Johnson 35 40 50 55 HP Engine 777821

Outboard Water Pump Impeller for Evinrude Johnson

This outboard water pump impeller is a direct replacement for Evinrude and Johnson engines in the 35-55 horsepower range, with OEM cross-reference number 777821.

Overview

The water pump impeller is a vital part that pumps coolant to keep your outboard motor cool under load. This water pump impeller for Evinrude Johnson engines fits 35, 40, 50, and 55 HP models. It is constructed to meet original specifications for dependable cooling.

Built For Performance

• Replaces OEM part number 777821
• High-quality rubber material resists heat and wear
• Precise blade geometry for optimum water flow
• Simple installation with standard tools
• Manufactured to match genuine Evinrude and Johnson dimensions

Fits These Machines

• for Evinrude 35HP outboards
• for Evinrude 40HP outboards
• for Evinrude 50HP outboards
• for Evinrude 55HP outboards
• for Johnson 35HP outboards
• for Johnson 40HP outboards
• for Johnson 50HP outboards
• for Johnson 55HP outboards

On-The-Job Use

• Commonly replaced during water pump service on fishing boats
• Required when engine overheating is detected on the water
• Used in both saltwater and freshwater environments
• Essential for recreational boating and commercial applications

Specs At A Glance

Good To Know

Q: Can I install this impeller myself? A: Yes, with basic mechanical skills and a service manual, most boat owners can replace the impeller in under an hour.

Q: How do I know if my impeller needs replacing? A: Signs include overheating, reduced water flow from the exhaust, or visible wear on the impeller blades during inspection.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.