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Mercury Mariner 40-200hp Aluminium Trim Tab Anode (OSTT316)

Genuine Part # : 31640T07

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  • 1 YEAR


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This part replaces part #: 31640T07.

This part suits the following engines: Mercury Mariner 40hp 4 Cylinder 1987-1995, Mercury Mariner 45hp 4 Cylinder 1980-1995, Mercury Mariner 50hp 4 Cylinder 1980-1990, Mercury Mariner 60-70hp 3 Cylinder 1980-1989, Mercury Mariner 75hp 3 & 4 Cylinder 1980-2016, Mercury Mariner 75hp 3 Cylinder OptiMax 2003-2015, Mercury Mariner 80hp 3 & 4 Cylinder 1980-1995, Mercury Mariner 85hp 1976-1985, Mercury Mariner 90hp 3 & 6 Cylinder 1976-2016, Mercury Mariner 90hp 3 Cylinder OptiMax 2003-2015, Mercury Mariner 100hp 4 Cylinder 1984-1997, Mercury Mariner 115hp 4 & 6 Cylinder 1979-2005, Mercury Mariner 115hp 3 Cylinder OptiMax 2003-2015, Mercury Mariner 125hp 4 Cylinder 1990-2005, Mercury Mariner 125hp 4 Cylinder OptiMax 2007-2015, Mercury Mariner 135hp V6 Carb 1987-2001, Mercury Mariner 140hp Inline 6 & V6 1977-2003, Mercury Mariner 150hp Inline 6 & V6 1980-2003, Mercury Mariner 175hp V6 1980-1998, Mercury Mariner 200hp V6 1980-1998.


We care about marine life so that's why our anodes are free of Cadmium. Found in some other anodes on the market, Cadmium harms sea life and pollutes our fragile marine environment. So remember, Cadmium free is best for the sea!

Why Aluminium?
Most of us are taught to believe that Zinc anodes are the best protection for your outboard. However, if used in brackish or fresh water Zinc anodes can develop a Zinc hydroxide layer after only a few months which renders the anode useless. Aluminium, on the other hand, is a far more active metal deeming Aluminium anodes the smartest choice for protection of your outboard in all types of water.


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

Outboard parts

By: on 7 November 2022
Could not thank Stuart enough. Expert advice and prompt response. Great quality parts.

Outboard parts

By: on 6 November 2022
Could not thank Stuart enough. Expert advice and prompt response. Great quality parts.

Mercury Mariner 40-200hp Aluminium Trim Tab Anode

By: on 16 January 2022
Excellent couldn't fault and I will be back

Mercury Mariner 40-200hp Aluminium Trim Tab Anode

13 August 2021
Perfect fit as always.Fast postage as usual with Express from these guys.

Mariner 115hp Anode

By: on 24 January 2021
Top quality item, fast delivery & easy fitting

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