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Outboard Engine Service Kit for 4HP 2-Stroke 4M for Mercury Outboard

Regular price £29.99 | Save £-29.99 (Liquid error (sections/product-template line 192): divided by 0% off)
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Free Shipping in UK on Orders Over £150. Exclusions may apply.


Outboard Engine Service Kit for 4HP 2-Stroke 4M for MercuryOutboard

Outboard Engine Service Kit for 4HP 2-Stroke 4M for MercuryOutboard


Outboard Engine Service Kit for 4HP 2-Stroke for Mercury Outboard 


A high-quality service kit containing the following parts for a recommended 100 hour or annual service:

  • Water Pump Impeller 89981
  • 1x Tube Gearlube SAE 80W-90
  • Fuel Filter 
  • Gearcase Drain & Fill Screw Washers
  • Champion L778V Spark Plug

!!! Impeller 89981 fit to 11.6 mm shaft!!!

Please check your shaft size and let us know if you need the 89981!

Additional parts you may require for your engine can be added to the kit, just let me know what you require, (this may extend dispatch time if additional parts required are not in stock).

It is the buyer responsibility to ensure that part is the right one for his outboard. 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 1 review
Ray Wheeler (landy2.res-q)
Top service

Excellent service from friendly guys, tailored package, good price, fast delivery!


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