6E0-44311-00 Yamaha Water Pump Housing | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Portable Outboard Water Pump Housing - Part Number: 6E0-44311-00

A genuine Yamaha water-pump housing for selected 4HP and 5HP two-stroke outboards and early F4 four-stroke engines.

The housing encloses the flexible impeller and forms the chamber that draws cooling water through the lower-unit inlet.

⚙️ Key Features

• Genuine Yamaha OEM water-pump housing
• Correct Yamaha part number 6E0-44311-00
• Used on compact 4HP and 5HP Yamaha gearcases
• Compatible with selected early F4 four-stroke lower units
• Cross-references with Sierra and Parsun housings

🚤 Compatibility

Commonly used on

• Yamaha portable two-stroke and early four-stroke lower-unit water pumps
• Corresponding Parsun F4 / F5 lower units

Typically suits

• Engine models:
• Yamaha 4A two-stroke
• Yamaha 4B two-stroke
• Yamaha 4AC and 4AM
• Yamaha 4ACMH and 4CMH
• Yamaha 5C two-stroke
• Yamaha 5CMH
• Yamaha F4A four-stroke - approximately 1998-2009
• Parsun F4 and F5 applications using housing PAF4-03000019
• HP Range: 4HP - 5HP
• Engine Type: Yamaha / Parsun two-stroke and early four-stroke outboard
• Year Range: Approximately 1984 - 2009, dependent on lower-unit design

🔌 Function

The housing surrounds the impeller and provides the internal shape needed to create cooling-water suction and pressure.

⚠️ Common Signs of Failure

• Housing is scored, melted or distorted
• Weak or absent tell-tale stream
• Engine overheats despite fitting a new impeller
• Housing cracks around the mounting bolts
• Water leaks around the pump outlet or base

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 68D-G4311-01 later replacement housing reference
• 68D-G4311-00 earlier related replacement reference
• 6E0-44311-00 original Yamaha water-pump housing reference

OEM / Related Numbers

• 6E0-44311-00
• 6E0-44311-00-00
• 6E0443110000
• 6E0-44311-01
• 68D-G4311-00
• 68D-G4311-01
• 6E0-44322-02 related cartridge insert
• 6E0-44323-00 related cartridge plate
• 6E0-44352-00 related impeller

Aftermarket / Verified Equivalents

• Sierra: 18-43263
• Parsun: PAF4-03000019
• Parsun: F4-03000019
• Sea Sierra: complete 6E0-W0078-series pump kit
• Direct replacement housing: 68D-G4311-01

📦 Condition

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