# 6G1-44315-A0 Yamaha Gasket Water Pump | Genuine OEM Yamaha Outboard Part

🔧 Product Description

  

Genuine Yamaha 6HP and 8HP Water Pump Gasket - Part Number: 6G1-44315-A0

  

A genuine Yamaha lower water-pump gasket for selected 6HP and 8HP two-stroke outboards.

  

The gasket seals the pump base and wear-plate assembly to the gearcase, preventing air and cooling water from leaking around the impeller chamber.

  

⚙️ Key Features

  

• Genuine Yamaha OEM water-pump gasket

• Correct current Yamaha part number 6G1-44315-A0

• Supersedes earlier gasket 6G1-44315-00

• Designed for Yamaha 6C, 6D and 8C lower units

• Sierra and Recmar replacements available

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 6G1-44315-A0 → Supersedes 6G1-44315-00

• 6G1-44315-00 earlier OEM water-pump gasket reference

  

OEM / Related Numbers:

  

• 6G1-44315-A0

• 6G1-44315-A0-00

• 6G1-44315-00

• 6G1-44352-00 related impeller

• 6G1-W0078-series related water-pump kits

• Mercury / Mariner related pump-family references

  

Aftermarket / Verified Equivalents:

  

• Sierra: 18-0753

• Recmar: REC6G1-44315-A0

• Aftermarket Yamaha / Mariner pump gasket: 6G1-44315-A0 replacement

  

🚤 Compatibility

  

Commonly used on:

  

• Yamaha 6HP and 8HP two-stroke lower-unit water pumps

• Corresponding Yamaha-manufactured Mariner gearcases

  

Typically suits:

  

• Engine models:

• Yamaha 6C two-stroke

• Yamaha 6D two-stroke

• Yamaha 6HP MSH and CMH applications

• Yamaha 8C two-stroke

• Yamaha 8CM two-stroke

• Yamaha 8HP short-, long- and manual-start variants using the 6G1 pump

• Yamaha 6HP two-stroke - approximately 1986-2000

• Yamaha 8HP two-stroke - approximately 1984-2005

• Corresponding Mariner 6HP and 8HP Yamaha-built two-strokes

  

• HP Range: 6HP - 8HP

• Engine Type: Yamaha / Mariner two-cylinder two-stroke outboard

• Year Range: Approximately 1984-2005

  

🔌 Function

  

The gasket seals the water-pump base so the impeller can create sufficient suction and pressure to circulate cooling water.

  

Common signs of failure:

  

• Weak or absent tell-tale flow

• Engine overheats at low speed

• Air enters around the pump base

• Gasket is torn or compressed

• Water-pump output remains low after fitting a new impeller

  

📦 Condition

  

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 10.0 AUD
- **Vendor:** Yamaha
- **Tags:** Yamaha Marine Parts | Outboard Engine Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 10.00 AUD | In stock |

## Images

- 6G1-44315-A0 Yamaha Gasket Water Pump | Genuine OEM Yamaha Outboard Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/6g1-44315-a0-gasket-water-pump)
> Updated: 2026-07-11