6H4-44352-02 Yamaha Impeller | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Water Pump Impeller - Part Number: 6H4-44352-02

A genuine Yamaha flexible water-pump impeller for selected 20HP to 50HP two-stroke and four-stroke outboards.

The impeller draws cooling water through the lower-unit inlet and pumps it through the engine's cooling passages.

⚙️ Key Features

• Genuine Yamaha OEM water-pump impeller

• Correct current Yamaha part number 6H4-44352-02

• Supersedes earlier 6H4-44352-00 and -01 references

• Used on Yamaha 25HP to 50HP two-strokes and selected 20HP to 40HP four-strokes

• Sierra, Recmar and HJumbo replacements available

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 6H4-44352-02 → Supersedes 6H4-44352-01

• 6H4-44352-01 → Supersedes 6H4-44352-00

• 6H4-44352-00 earlier Yamaha impeller reference

• 676-44352-01 related Yamaha impeller reference

OEM / Related Numbers:

• 6H4-44352-02

• 6H4-44352-02-00

• 6H4443520200

• 6H4-44352-01

• 6H4-44352-00

• 676-44352-01

• Related 6H4 and 66T water-pump repair-kit references

Aftermarket / Verified Equivalents:

• Sierra: 18-3068

• Recmar: REC6H4-44352-02

• HJumbo: J-183S

• Outboard Parts replacement: 6H4-44352-02

• Parsun-compatible 25HP to 40HP impeller

🚤 Compatibility

Commonly used on:

• Yamaha small and mid-range lower-unit water pumps

Typically suits:

• Engine models:

• Yamaha 25B, 25J, 25N, 25Q and 25V

• Yamaha 25XMH

• Yamaha 30D, 30G and 30H

• Yamaha C30

• Yamaha 40H and 40X

• Yamaha 50D

• Yamaha F20A

• Yamaha F25A and F25D

• Yamaha T25 / FT25 high-thrust

• Yamaha F30A and F30B

• Yamaha F40B and F40F

• HP Range: 20HP - 50HP

• Engine Type: Yamaha two-stroke and four-stroke outboard

• Year Range: Approximately 1984 - 2011, dependent on gearcase

🔌 Function

The impeller creates cooling-water suction and pressure inside the lower-unit pump housing.

Common signs of failure:

• Weak or absent tell-tale stream

• Engine overheats at idle or under load

• Impeller blades become cracked, stiff or missing

• Rubber debris blocks cooling passages

• Pump output remains weak after inlet cleaning

📦 Condition

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging