Yamaha – Water Pump Housing | Cooling System Component | 6CE-44311-01-00

Overview

The Yamaha Water Pump Housing | 6CE-44311-01-00 is one of those parts that keeps your cooling system doing its job without any noise about it. On the 4.2L offshore motors, this housing takes constant wear from the impeller spinning inside it. Once it starts to groove or wear down, you’ll see it in reduced water pressure or inconsistent cooling. If you’re rebuilding the pump, this is one of those parts you replace to make sure everything works like it should.

Key Features

• Impeller Housing Support – Provides a smooth surface for proper impeller rotation and water flow.

• OEM Fit Precision – Built to Yamaha specifications for exact alignment and secure installation.

• Maintains Cooling Performance – Helps ensure consistent water circulation and prevents overheating.

• Heavy-Duty Marine Build – Designed to handle high horsepower, heat, and continuous use.

Engine & Boat Compatibility

• F225 
• F250 
• F300 

FAQs

Q1: What are signs this water pump housing is worn out?
A: Reduced water pressure, overheating, or visible scoring inside the housing.

Q2: Should I replace this with the impeller?
A: If there’s any wear or grooves, it’s a smart move to replace it at the same time.

Q3: Can a worn housing affect cooling performance?
A: Yes, it reduces pump efficiency and can lead to overheating issues.

Q4: Is this a common maintenance item?
A: Not as frequent as an impeller, but it should be inspected during every pump service.

Q5: Is installation difficult?
A: It’s part of a standard water pump service and is straightforward with proper tools.

• Supersessions
  6CE-44311-00-00
• Engine Application
  • F225
  • F250
  • F300