Yamaha - Outer Plate, Cartridge - Water Pump Housing Component - 68T-44323-00-00

Overview

This outer plate is one of those small parts in the water pump that makes a big difference over time. It sits right in the cartridge assembly, helping keep everything sealed and moving the way it should. When these wear down or get scored, you start losing efficiency without always realizing it right away. It’s the kind of part you replace during a pump service so you don’t have to think about overheating issues later.

Key Features

• Smooth Sealing Surface – Provides a consistent contact area to support proper water pump function.
• Durable Metal Construction – Built to resist wear from constant impeller rotation and water flow.
• Exact Cartridge Fitment – Designed to align perfectly within Yamaha water pump assemblies.
• Supports Cooling Efficiency – Helps maintain steady water flow to protect the engine under load.

Engine & Boat Compatibility

Yamaha Outboard Models – Varies by application (confirm by part number)

FAQ

Q: What happens if this plate is worn or damaged?
A: You can lose water pressure, which leads to reduced cooling and potential overheating.

Q: Should I replace this during every water pump service?
A: It’s a good idea, especially if you see scoring or wear—it helps keep the whole system working right.

Q: How can I tell if this plate is still usable?
A: Look for grooves, uneven surfaces, or corrosion—any of those are signs it’s time to swap it out.

Q: Does sand or debris affect this part?
A: Yes, running in sandy or dirty water can wear it down faster over time.

Q: Is installation straightforward?
A: It’s simple during a pump rebuild, just make sure everything is clean and seated properly.