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Yamaha 20-25hp Water Pump Kit (OSWK6L2)

Genuine Part # : 6L2-W0078-00, 18-3431

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  • 1 YEAR


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This part replaces part #: 6L2-W0078-00, 18-3431.

This part suits the following engines: Yamaha 20-25hp 2 Stroke 2 Cylinder Twin Carburettor Models 1988-2016.


About The Brand

Outboard Spares brand of parts are tested in Australia's harsh marine environment with a focus on quality and durability. Outboard Spares parts are used by professional fishermen who depend on their parts to stay on the water and in business. So next time you service your engine choose what the professionals use, choose Outboard Spares.

Standard Shipping is FREE on all orders or Express Shipping is $10 flat rate.

Oils & Lubricants can only be sent via Standard Shipping.

Pick up is available from our warehouse at 1/84 Brunel Road, Seaford VIC 3198 between the hours of 8:30am to 3:30pm weekdays. You will be notified by email when your order is ready for pick up.

Delivery Time

Orders are dispatched same business day if ordered before 3:00pm AEDT. All orders are dispatched from Melbourne, Victoria and are sent via Australia Post.

For delivery time estimates with Australia Post please use their delivery calculator here:

If you have any questions relating to shipping, please contact us by emailing

Waterpump parts

By: on 21 April 2020
good quality, perfect fit, fast delivery, will by from here again

water impeller kit

By: on 15 May 2019
great service


By: on 28 April 2019
Everything needed to repair and replace parts of a Yamaha 2-stroke 25hp outboard; for my motor the housing was also damaged so I also bought part OSWH6L2. Delivery took only 3 days (to rural address), and got us back on the water

100% Happy

By: on 24 April 2019
First time using Outboard Spares. Wow super fast delivery and item as per described. Worked perfect. Won’t go elsewhere now to buy my outboard spares

Water pump

By: on 1 April 2019
We are very happy with outboard spares product we had a little hold up with recieve the item thanks to aus post ..... when I email outboard spare they where fantastic will be buying from them again

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