Yamaha - Water Pump Housing - Cooling System Component - 63D-44311-00-00

Overview

The water pump housing is a key part of your engine’s cooling system, holding the impeller and directing water flow through the motor. If the housing becomes worn or damaged, it can reduce water pressure and lead to overheating issues. This Yamaha water pump housing is built to restore proper cooling performance and keep water moving efficiently through the engine. It’s an important component to replace during a full water pump service to maintain reliability.

Key Features

• Impeller Housing Support – Provides the structure needed for proper impeller operation.
• Maintains Cooling Efficiency – Helps ensure consistent water flow through the engine.
• OEM Yamaha Fitment – Built to factory specifications for accurate installation and sealing.
• Durable Marine Construction – Designed to withstand heat, pressure, and continuous water exposure.

Engine & Boat Compatibility

• F40 (1999)
• F50
• F60
• 40
• C40
• P40
• 50
• C50
• P50 (1995 & newer)

FAQ

Q: What happens if the water pump housing is worn?
A: It can reduce water pressure and lead to overheating issues.

Q: Should I replace this during a water pump rebuild?
A: Yes, especially if there are signs of wear or scoring inside the housing.

Q: Can a damaged housing affect the impeller?
A: Yes, it can shorten impeller life and reduce efficiency.

Q: Does this impact cooling at idle?
A: Yes, proper housing condition is critical for low-speed cooling performance.

• Engine Application
  • F40 (1999)
  • F50
  • F60
  • 40
  • C40
  • P40
  • 50
  • C50
  • P50 (1995 & newer)