6H3-44352-00 Yamaha Impeller | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Water Pump Impeller - Part Number: 6H3-44352-00

A genuine Yamaha flexible water-pump impeller for selected 40HP to 70HP two-stroke and four-stroke outboards.

The impeller rotates inside the lower-unit pump housing to draw cooling water through the gearcase inlet and circulate it through the engine.

⚙️ Key Features

• Genuine Yamaha OEM water-pump impeller

• Correct Yamaha part number 6H3-44352-00

• Approximate dimensions: 18.05mm bore, 51.8mm outside diameter and 19mm width

• Used on Yamaha 40HP to 70HP water-pump systems

• Sierra, Recmar, HJumbo and Mercury-compatible replacements available

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 6H3-44352-00 current Yamaha OEM impeller reference

• 697-44352-00 equivalent Yamaha impeller reference

OEM / Related Numbers:

• 6H3-44352-00

• 6H3-44352-00-00

• 6H3443520000

• 697-44352-00

• 697-44352-00-00

• 6H3-W0078-01 related water-pump kit

• 6H3-W0078-02 related water-pump kit

• 692-W0078-series related pump-kit family

Aftermarket / Verified Equivalents:

• Sierra: 18-3069

• Recmar: REC6H3-44352-00

• HJumbo: J-183

• Outboard Spares: OSI6H3

• QuickMarine: 6H3-44352 replacement impeller

• Mercury / Mariner-compatible replacement for Yamaha 697-44352-00 applications

🚤 Compatibility

Commonly used on:

• Yamaha mid-range two-stroke and four-stroke lower-unit water pumps

Typically suits:

• Engine models:

• Yamaha 25B - approximately 1994-1995

• Yamaha 40F, 40V and 40Y

• Yamaha 50G and 50H

• Yamaha 55B

• Yamaha 60C and 60F through approximately 2003

• Yamaha 70B through approximately 2003

• Yamaha 70C

• Yamaha F40A, F40C, F40D and F40G

• Yamaha F50A, F50B, F50D and F50F

• Yamaha FT50B, FT50C, FT50G and FT50J

• Yamaha F60A and F60C

• Yamaha FT60B and FT60D

• Yamaha F70A and F70L applications using the 6H3 impeller

• HP Range: 40HP - 70HP, plus selected 25B engines

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

• Year Range: Approximately 1984 - 2017, dependent on lower-unit design

🔌 Function

The impeller creates the suction and pressure needed to circulate cooling water through the engine.

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 fragments are found in cooling passages

• Cooling flow remains poor after clearing the water inlet

📦 Condition

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging