688-44352-03 Yamaha Impeller | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Water Pump Impeller - Part Number: 688-44352-03

A genuine Yamaha flexible water-pump impeller for selected 60HP to 90HP two-stroke outboards.

The impeller rotates inside the lower-unit pump housing, drawing water through the gearcase inlet and circulating it through the engine cooling system.

⚙️ Key Features

• Genuine Yamaha OEM water-pump impeller
• Correct Yamaha part number 688-44352-03
• Approximate 20mm bore and 58mm outside diameter
• Used across Yamaha 60HP to 90HP two-stroke engines
• Cross-references with Sierra, Recmar and Mercury / Mariner numbers

🚤 Compatibility

Commonly used on

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

Typically suits

• Engine models:
• Yamaha 60F from approximately 2004 onward
• Yamaha 60T
• Yamaha 70B from approximately 2004 onward
• Yamaha 70T
• Yamaha 75A and 75C
• Yamaha C75
• Yamaha E75
• Yamaha P75
• Yamaha Pro75
• Yamaha 80A
• Yamaha 85A
• Yamaha C85
• Yamaha 90A
• Yamaha 90E and 90T
• Yamaha C90
• HP Range: 60HP - 90HP
• Engine Type: Yamaha carburetted two-stroke outboard
• Year Range: Approximately 1984 onward, dependent on lower-unit design

🔌 Function

The impeller creates cooling-water suction and pressure as it rotates inside the pump housing.

⚠️ Common Signs of Failure

• Weak or absent tell-tale stream
• Engine overheats at idle or under load
• Impeller blades become cracked or missing
• Rubber fragments lodge in cooling passages
• Water-pump output remains low after inlet cleaning

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 688-44352-03 current Yamaha OEM service reference
• 688-44352-02 earlier related Yamaha impeller reference
• 688-44352-01 earlier related Yamaha impeller reference
• 688-44352-00 earlier Yamaha impeller reference

OEM / Related Numbers

• 688-44352-03
• 688-44352-03-00
• 688443520300
• 688-44352-02
• 688-44352-01
• 688-44352-00
• Mercury / Mariner: 879120
• Mercury / Mariner: 804013

Aftermarket / Verified Equivalents

• Sierra: 18-3070
• Recmar: REC688-44352-03
• HJumbo: 688-44352-03 replacement impeller
• Mercury / Mariner: 879120
• Mercury / Mariner: 804013

📦 Condition

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