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Yamaha 6-8hp Water Pump Kit (OSWK6G1)

Genuine Part # : 6G1-W0078-A1, 18-3460

In Stock
  • Free Shipping


  • 1 YEAR


  • ISO 9001 Certified
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This part replaces part #: 6G1-W0078-A1, 18-3460.

This part suits the following engines: Yamaha 6-8hp 2 Stroke 1984-2016.


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. Oils & Lubricant products can only be sent via Standard Shipping.
  • Express Shipping is $10 flat rate.
  • 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


By: on 10 July 2023
Great product no use only half doing the job !! Replaced the lot on a 8hp Yamaha!! Great company to deal with !! Magnificent service

Impellar Kit

By: on 13 January 2021
Quality parts, speedy delivery, sexy packaging, and best of all NO waiting for some Muppet in a Yamaha dealership to waste my time and fuck up my request! Cheap too! Nuff Said, Go Boating!

Yamaha 6-8hp outboard water pump

By: on 31 October 2020
Very pleased with this product. Everything swapped out easily and is high quality.

Water pump kit

By: on 9 October 2020
Very happy with the product, prompt delivery and tech support by phone.


By: on 13 July 2020
Very helpful got exactly what I needed

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