Yamaha Water Pump Kit — 40HP 2‑Stroke (1984–1997) | | 4Boats
Yamaha Water Pump Kit — 40HP 2‑Stroke (1984–1997) | | 4Boats
Yamaha Water Pump Kit — 40HP 2‑Stroke (1984–1997) | | 4Boats
Yamaha Water Pump Kit — 40HP 2‑Stroke (1984–1997) | | 4Boats
Yamaha Water Pump Kit — 40HP 2‑Stroke (1984–1997) | | 4Boats
Yamaha Water Pump Kit — 40HP 2‑Stroke (1984–1997) | | 4Boats
Yamaha Water Pump Kit — 40HP 2‑Stroke (1984–1997) | | 4Boats
Yamaha Water Pump Kit — 40HP 2‑Stroke (1984–1997) | | 4Boats

Yamaha Water Pump Kit — 40HP 2‑Stroke (1984–1997) | | 4Boats

679-W0078-00

  • Dispatched in 2-3 days
  • 30 Day Return Policy
  • Low stock - 1 item left
  • Backordered, shipping soon
Our stock levels are dynamic and can change frequently. If a product appears to be in stock, it may have already sold out. Please contact us if you have any questions about availability. Thank you for your understanding.
£69.99
/
Tax included.

Aftermarket water pump repair kit for Yamaha and Mariner 40HP 2‑Stroke outboards (1984–1997), with C40 models (1990–1997) as a subset. Fits twin-cylinder 2‑stroke models and is designed to restore efficient water circulation and prevent overheating.

  • Complete water pump kit – includes impeller, housing/insert cartridge, outer plate, gasket set, seals, and all essential hardware.
  • High-quality aftermarket replacement; not an OEM Yamaha or Mariner part.
  • Replaces Yamaha 679-W0078-00-00/01-00/A0-00 and Mariner 6E9-W0078-00-00.
  • Fits Yamaha/Mariner 40HP 2‑Stroke (1984–1997), including C40 (1990–1997).
  • Fits twin-cylinder 2‑stroke models.
  • Disconnect the battery before starting any repairs.
  • Flush the cooling system after installation.

Direct bolt-on replacement for reliable cooling performance.

For the products under £150 the shipping is £6.99.

Free delivery for the most items over £150.

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Customer Reviews

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D
Dave Stewart
Water pump for yamaha 40hp 2 stroke outboard

Fantastic service item arrived next day !!
All the parts were good quality and fits perfectly. Engine back in service

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