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Mercury Mariner 2.5-6hp Impeller (OSI161)

Genuine Part # : 47-16154, 47-16154-3, 18-3098

In Stock
  • Free Shipping


  • 1 YEAR


  • ISO 9001 Certified
    ISO 9001


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This part replaces part #: 47-16154, 47-16154-3, 18-3098.

This part suits the following engines: Mercury Mariner 2.5hp 4 Stroke 2007-2016 (serial #: 0R131842 and up), Mercury Mariner 3.3hp 2 Stroke 1994 and newer (serial #: 0D901217 and up), Mercury Mariner 4hp 2 Stroke 1987-2014 (serial #: 0A809601 and up), Mercury Mariner 4hp 4 Stroke 2007-2016 (serial #: 0R000001 and up), Mercury Mariner 5hp 2 Stroke 1987-2014 (serial #: 0A809601 and up), Mercury Mariner 5hp 4 Stroke 2007-2016 (serial #: 0R000001 and up), Mercury Mariner 6hp 4 Stroke 2007-2016 (serial #: 0R000001 and up).


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

Quick delivery

By: on 14 December 2023
Impeller did what it was supposed to do. Motor running properly now.

Mercury 3.3 Impeller OSI161

By: on 22 January 2021
Haven't installed it as of yet because i found another seller locally on the day i ordered this unit but it looks all good packaged well and it did arrive on time via AP express post from Vic to Qld.

Excellent service

By: on 26 November 2020
Great people to deal with. They listen, are helpful & reliable. Highly recommended.


By: on 22 November 2020
Great people to deal with. They listen & act & their service is prompt & reliable. A breath of fresh air ! Thank you Stuart & team.

Thank you

By: on 18 May 2019
I was very happy with the service & would not hesitate in using you again if need be

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