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Mercury Mariner & Tohatsu 25-30hp 2 Stroke Service Kit with Oils (OSSK55O)

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  • Free Shipping


  • 1 YEAR


  • ISO 9001 Certified
    ISO 9001


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This kit includes:
1 x 361-87322-0 Water Pump Kit (OSWK873)
1 x 346-01032-0 Thermostat Gasket (OSTG346)
2 x 332-60006-0 Lower Unit Drain Screw Washer (OSDW332)
2 x BR7HS-10 NGK Spark Plugs
1 x Penrite 75W-90 Full Synthetic Inboard/Outboard Gear Oil 500g

This part suits the following engines: Mercury Mariner 25-30hp 2 Stroke 2 Cylinder Japanese Made Models 2001-2017 (serial #'s starting with 0N...), Tohatsu 25-30hp 2 Stroke 2 Cylinder Japanese Made Models 2001-2017.


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 19 January 2022
To be able to order the complete service kit including oil was quick and easy.

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