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Mercury Mariner & Tohatsu 40-50hp Water Pump Kit (OSWK3C8)

Genuine Part # : 3C8-87322-0, 853792A10 , 853792A3

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  • 1 YEAR


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This part replaces part #: 3C8-87322-0, 853792A10 , 853792A3.

This part suits the following engines: Mercury Mariner 40-50hp 2 Stroke 3 Cylinder Japanese Models 2004-2011 (suits serial # 0N000001 to 0N116270), Tohatsu 40-50hp 2 Stroke 3 Cylinder 2002-2011.


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

Wayer pump kit 40hp Merc.

By: on 2 November 2023
Great service and exelent delivery, a quality product will be a returning customer.

Rapid service

By: on 4 April 2023
Highly recommend outboard spares for any parts that you require, huge selection and super prompt delivery. Great value for money

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