Yamaha - Water Pump Housing - Cooling System Component - 6L2-44311-01-00

Overview

The Yamaha Water Pump Housing | 6L2-44311-01-00 is one of those parts that keeps your engine cooling system doing its job without much attention—until something wears out. When the housing gets scored or out of shape, you’ll notice weaker water flow or rising temps pretty quickly. It holds the impeller in place and directs water through the engine, so everything depends on it staying solid. If you’re servicing the water pump, this is one of those parts worth replacing while you’re in there.

Key Features

• Controlled Water Flow Channeling – Directs cooling water through the engine to maintain proper temperature.

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

• Impeller Support Structure – Holds the impeller in position for efficient and consistent water movement.

• Corrosion-Resistant Construction – Designed to handle marine environments and long-term use.

Engine & Boat Compatibility

• 20 Present
• 25 Present

FAQs

Q1: What are signs the water pump housing is worn out?
A: Weak water flow, overheating, or visible scoring inside the housing are common indicators.

Q2: Can a damaged housing affect the impeller?
A: Yes, it can cause uneven wear and reduce the impeller’s efficiency.

Q3: Should I replace this during water pump service?
A: If there’s any wear or damage, it’s a good idea to replace it along with the impeller.

Q4: Is installation difficult?
A: It’s straightforward if you’re already working on the lower unit, just ensure proper alignment.

Q5: Does saltwater use impact this part?
A: Yes, corrosion and buildup can wear it down over time, so regular inspection is important.

• Supersessions
  6L2-44311-00-00
• Engine Application
  • 20 - Present
  • 25 - Present