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Water Pump Impeller Replacement Repair Kit Yamaha Outboard 6H4-W0078-00 40HP 50HP

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Water Pump Impeller Replacement Repair Kit Yamaha Outboard 6H4-W0078-00 40HP 50HP

Water Pump Impeller Replacement Repair Kit Yamaha Outboard 6H4-W0078-00 40HP 50HP


Water Pump Impeller Repair Kit Yamaha 6H4-W0078-00 40HP 50HP

Kit Package includes: 

  • 1 x Full Power Plus Neoprene Impeller   (6H4-44352-02)
  • 1 x Cartridge Insert  (663-44322-00)
  • 1 x Cartridge Outer Plate  (663-44323-00)
  • 1 x Damper Water Seal  (663-44366-00)
  • 1 x Woodruff Key  (90280-03024-00)
  • 2+2 x Bolt with Washer   (97080-08055-00 97080-08045-00)
  • 1 x Gasket Cartridge     663-44324-A0
  • 1 x Gasket Water pump  663-44315-A0
  • 1 x Gasket Water pump  663-443160-A0

Will Fit:

  • 40 HP 1984-1994
  • 50 HP 1984-1994
  • PRO 50 HP 1987-1994
  • P50 HP 1991-1993
Model HPYears
2 Strokes
  • 40 1984-1994
  • 50 1984-1994
  • PRO 50 1987-1990
  • P50 1991-1993
  • 70ETLN 1984-1984
  • 70TLRP 1991-1991

If you have any concerns regarding the suitability of the item please ask before purchase.

If the part looks the same as yours is not always the right one for your outboards so please double check.

Marine grade quality aftermarket part.

OEM part number used for reference only.

The item is completely compatible and interchangeable with the OEM.

Our aftermarket parts are either produced in the European Union or imported in Europe from a major distributor. Our parts not only meet the required standards for marine engines but also comply with European laws and regulation of quality.



We offer free shipping on all orders over £150 (excluded outboard engines, trailers)

Standard Shipping - £ 8.50

Orders are typically shipped within 1 business day of receipt of payment. We ship via Royal Mail Tracked 24 delivery service. Delivery times vary depending on the delivery destination.

For engines delivery cost please ask for a quote.

It is the buyer's responsibility to ensure that the correct shipping address is supplied.

All item(s) will be despatched to the registered address.

Tracking your order:

Once your order has been shipped, you will receive a tracking number via email. You can track your order online using the tracking number provided.


We accept returns of unused and undamaged items within 30 days of purchase.

To return an item please contact us for a return authorisation number. Return shipping costs are the responsibility of the customer.


Refunds will be issued for the purchase price of the item, less shipping costs. Refunds will be issued in the same form of payment as the initial purchase.

Customer Reviews

Based on 2 reviews
Lee Andrews
Water impeller replacement kit

All fitted and working well so all in all im happy with it good job thanx ssi marine

William Gibson
Ssi marine

Have purchased quite a few products and found them highly reliable


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