# 682-44352-03 Yamaha Impeller 84027T Mercury | Genuine OEM Yamaha Outboard Part

🔧 Product Description

  

Genuine Yamaha and Mariner Water Pump Impeller - Part Number: 682-44352-03

  

A genuine Yamaha flexible water-pump impeller also used on selected Japanese-built Mariner outboards under Mercury and Mariner references including 84027T.

  

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

  

⚙️ Key Features

  

• Genuine Yamaha OEM water-pump impeller

• Correct Yamaha part number 682-44352-03

• Direct crossover to Mercury / Mariner 84027T

• Used on selected 8HP to 15HP two-stroke and four-stroke outboards

• Cross-references with Sierra, EMP, Recmar and Quicksilver replacements

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 682-44352-03 → Supersedes 682-44352-02

• 682-44352-02 → Supersedes 682-44352-01

• 682-44352-01 → Supersedes 682-44352-00

• 682-44352-00 earlier Yamaha impeller reference

  

OEM / Related Numbers:

  

• 682-44352-03

• 682-44352-03-00

• 682443520300

• 682-44352-02

• 682-44352-01

• 682-44352-00

• Mercury / Mariner: 47-84027T

• Mercury / Mariner: 47-84027M

• Mercury / Mariner: 84027T

• Mercury / Mariner: 84027M

• Mercury / Mariner: 96619M

• Quicksilver: 8M6010332

  

Aftermarket / Verified Equivalents:

  

• Sierra: 18-3074

• EMP: 47-02007

• Recmar: REC682-44352-01

• Quicksilver: 8M6010332

  

🚤 Compatibility

  

Commonly used on:

  

• Yamaha portable outboard water pumps

• Japanese-built Mariner 9.9HP and 15HP lower units

  

Typically suits:

  

• Engine models:

• Yamaha F8B four-stroke

• Yamaha F9.9A four-stroke

• Yamaha F9.9B four-stroke

• Yamaha F9.9D four-stroke

• Yamaha FT9.9A high-thrust four-stroke

• Yamaha 9A two-stroke

• Yamaha 9.9C two-stroke

• Yamaha 9.9D two-stroke

• Yamaha 15C two-stroke

• Yamaha 15D two-stroke

• Japanese-built Mariner 9.9C

• Japanese-built Mariner 15C

  

• HP Range: 8HP - 15HP

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

• Year Range: Approximately 1980s - 2000s, dependent on lower-unit design

  

🔌 Function

  

The impeller creates the suction and pressure required 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, hardened or missing

• Rubber debris is found in cooling passages

• Cooling flow remains poor after clearing the inlet

  

📦 Condition

  

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 28.0 AUD
- **Vendor:** Yamaha
- **Tags:** Yamaha Marine Parts | Outboard Engine Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 28.00 AUD | In stock |

## Images

- 682-44352-03 Yamaha Impeller 84027T Mercury | Genuine OEM Yamaha Outboard Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/682-44352-03-yamaha-impeller-84027t-mercury)
> Updated: 2026-07-11