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Mercury Mariner & Tohatsu 25-30hp Thermostat Gasket 5pack (OSTG346M)

Genuine Part # : 346-01032-0, 27-853702005, 18-60920

In Stock
  • Free Shipping


  • 1 YEAR


  • ISO 9001 Certified
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This part replaces part #: 346-01032-0, 27-853702005, 18-60920.

This part suits the following engines: Mercury Mariner 25-30hp 2 Stroke 2006-2017 (Suits Mercury International models with serial numbers starting with 0N0...), Tohatsu 25-30hp 2 Stroke 2002-2016.


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 or Express Shipping is $10 flat rate.

Oils & Lubricants can only be sent via Standard Shipping.

Delivery Time

Orders are dispatched same business day if ordered before 3:30pm 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

5 pack gasket delivery

By: on 2 October 2020
Very good service, delivered quick in the midst of Covid 19 chaos.

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