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Evinrude Johnson 6-50hp Thermostat & Seal (OST433)

Genuine Part # : 433379, 433378, 432759, 395919

In Stock
  • Free Shipping


  • 1 YEAR


  • ISO 9001 Certified
    ISO 9001


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This part replaces part #: 433379, 433378, 432759, 395919.

This part suits the following engines: Evinrude Johnson 6-8hp 2 Stroke 1990, Evinrude Johnson 9.9-15hp 2 Stroke 1986-1988 (late production) & 1989-1992, Evinrude Johnson 40-50hp 2 Stroke 1990-1994.


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


By: on 20 March 2022
quality product

Did the job

By: on 14 January 2022
The right part for my 15 Johnson. Did the job as expected.

Thermostat Evinriude 15hp

By: on 4 May 2019
Great service and product all quality parts at a fantastic price work as soon as kick engine over. I have used Outboard Spares mamy times and love the fact their service is fast and hassle free. Also never had a problem with any of the parts they have sent. And being in Australia stops the long wait for product. Always had my part by the next day.

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