67F-44311-01 Yamaha Water Pump Housing | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Lower-Unit Water Pump Housing - Part Number: 67F-44311-01

A genuine Yamaha water-pump housing for selected F75, F80, F90, F100 and C85 outboards.

The housing encloses the flexible impeller and forms the pumping chamber that draws cooling water through the lower-unit inlet and directs it into the engine cooling tube.

⚙️ Key Features

• Genuine Yamaha OEM water-pump housing
• Correct Yamaha part number 67F-44311-01
• Precision housing for the 67F-series impeller
• Used on selected 75HP to 100HP gearcases
• Suitable for routine water-pump rebuilding and overheating repairs

🚤 Compatibility

Commonly used on

• Yamaha F75 to F100 four-stroke lower-unit water pumps
• Yamaha C85 gearcases using the 67F-series pump housing

Typically suits

• Engine models:
• Yamaha F75 four-stroke
• Yamaha F80 and F80A four-stroke
• Yamaha F90 and F90A four-stroke
• Yamaha F100 and F100A four-stroke
• Yamaha C85 two-stroke applications using the 67F-series housing
• HP Range: 75HP - 100HP
• Engine Type: Yamaha four-stroke and selected C85 two-stroke outboard
• Year Range: Approximately 1999 - 2016, dependent on gearcase design

🔌 Function

The housing surrounds the impeller and forms the chamber required to generate cooling-water suction and pressure.

⚠️ Common Signs of Failure

• Housing interior is scored, melted or distorted
• Weak or absent tell-tale stream
• Engine overheats despite fitting a new impeller
• Housing is cracked or corroded
• Water leaks around the housing outlet or base

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 67F-44311-01 → Supersedes 67F-44311-00
• 67F-44311-00 earlier Yamaha water-pump housing reference

OEM / Related Numbers

• 67F-44311-01
• 67F-44311-01-00
• 67F443110100
• 67F-44311-00
• 67F-44352-00 related impeller
• 67F-44322-00 related pump insert
• 67F-44323-00 related outer plate
• 67F-W0078-00 related water-pump repair kit

Aftermarket / Verified Equivalents

• Sierra: 18-3409 complete water-pump kit with housing
• PROMT Parts: PP-67F-W0078-00-W/H complete kit with housing
• Direct-replacement housing: 67F-44311-01-00

📦 Condition

• Genuine Yamaha part
• Brand new
• Supplied in original or equivalent packaging