click to view larger image

Mercury Mariner 20-25hp 2 Stroke Service Kit with Oils (OSSK24O)

In Stock
  • Free Shipping


  • 1 YEAR


  • ISO 9001 Certified
    ISO 9001


  • payment payment payment

    Payment Methods

This kit includes:
1 x 47-85089 10 Impeller (OSI8508)
1 x 27-993261 Waterpump Gasket (OSWG993)
1 x 25-69202 Waterpump Gasket (OSWG692)
1 x 8M0027721 Impeller Bushing 2pack (OSIB721)
2 x 12-19183 2 Lower Unit Drain Screw Washer (OSDW191)
2 x BP8HN-10 NGK Spark Plugs
1 x Penrite 75W-90 Full Synthetic Inboard/Outboard Gear Oil 500g

This part suits the following engines: Mercury Mariner 20-25hp 2 Stroke USA Model 1987-2007.


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

Great kit

By: on 18 February 2021
Everything fit, everything was nice and easy to install, couldn’t be happier.


By: on 6 November 2019
Was all good, everything I needed and with quick delivery. I`m very satisfied.

Mercury 25hp service kit

By: on 21 May 2019
Good kit everything comes with it. Only thing struggled with is the oil, the bottle is hard to squeeze so hard to get all the oil in there. A softer bottle would be better, or a pump system.

Write a review