# 6D8-WS443-00 Yamaha Housing Water Pump | Genuine OEM Yamaha Outboard Part

🔧 Product Description

  

Genuine Yamaha Lower Water Pump Housing Set - Part Number: 6D8-WS443-00

  

A genuine Yamaha lower water-pump base and seal-housing set for selected 60HP to 100HP outboards.

  

The assembly fits beneath the impeller and wear plate, supporting the driveshaft seals while forming the lower portion of the water-pump chamber.

  

⚙️ Key Features

  

• Genuine Yamaha OEM lower water-pump housing set

• Correct Yamaha part number 6D8-WS443-00

• Includes the lower pump base and installed sealing components

• Used on selected two-stroke and four-stroke gearcases

• Cross-references with Recmar and Outboard Spares replacements

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 6D8-WS443-00 → Supersedes 6D8-44341-00-94

• 6D8-44341-00-94 → Supersedes / replaces 688-44341-01-94

• 688-44341-01-94 → Related to 688-44341-00-94

• 688-44341-00-94 earlier Yamaha lower pump-housing reference

  

OEM / Related Numbers:

  

• 6D8-WS443-00

• 6D8-WS443-00-00

• 6D8WS4430000

• 6D8-44341-00-94

• 6D8-44341-01

• 688-44341-01-94

• 688-44341-00-94

• 688-44341-01 related lower pump base

  

Aftermarket / Verified Equivalents:

  

• Recmar: REC688-44341-01

• Outboard Spares: OSBH6D8

• Direct replacement: 6D8-44341 / 688-44341 lower housing set

• Aftermarket housing and seal set: 6D8-WS443-00

  

🚤 Compatibility

  

Commonly used on:

  

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

  

Typically suits:

  

• Engine models:

• Yamaha 60F two-stroke - approximately 2004-2018

• Yamaha E60H two-stroke

• Yamaha 70B two-stroke - approximately 2004-2018

• Yamaha 75A and 75C two-stroke

• Yamaha 80A two-stroke - approximately 1985-1996

• Yamaha 85A two-stroke - approximately 1995-1997

• Yamaha 90A two-stroke - approximately 1985-2018

• Yamaha F80A and F80B four-stroke - approximately 2001-2009

• Yamaha F100A, F100C and F100D four-stroke - approximately 2000-2009

  

• HP Range: 60HP - 100HP

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

• Year Range: Approximately 1985 - 2018, dependent on gearcase design

  

🔌 Function

  

The housing forms the lower water-pump base and supports the driveshaft oil seals. It separates the cooling-water pump chamber from the lubricated gearcase.

  

Common signs of failure:

  

• Gear oil appears beneath the water-pump base

• Lower-unit lubricant becomes milky

• Engine overheats because the pump base is distorted

• Seal bore is corroded or damaged

• Gearcase fails pressure or vacuum testing

  

📦 Condition

  

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 156.58 AUD
- **Vendor:** Yamaha
- **Tags:** Yamaha Marine Parts | Outboard Engine Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 156.58 AUD | In stock |

## Images

- 6D8-WS443-00 Yamaha Housing Water Pump | Genuine OEM Yamaha Outboard Part
- 6D8-WS443-00 Yamaha Housing Water Pump | Genuine OEM Yamaha Outboard Part
- 6D8-WS443-00 Yamaha Housing Water Pump | Genuine OEM Yamaha Outboard Part
- 6D8-WS443-00 Yamaha Housing Water Pump | Genuine OEM Yamaha Outboard Part
- 6D8-WS443-00 Yamaha Housing Water Pump | Genuine OEM Yamaha Outboard Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/6d8-ws443-00-housing-water-pump)
> Updated: 2026-07-11