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

🚤 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

🔄 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

📦 Condition

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