image of an outboard cavitation plate anode on a white background

Tohatsu Anodes

Tohatsu anodes help protect key underwater parts of your outboard from galvanic corrosion. Replacing them at service time is a straightforward job that supports long-term protection of lower unit components, brackets, and other metal parts exposed to water. This collection covers anodes designed to fit common Tohatsu outboard applications.

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What do I need to confirm a Tohatsu anode?

Provide your outboard model and year range, or serial if you have it. Then identify the anode location you are replacing, such as trim tab, plate, or bracket position. Match the shape, thickness, and hole spacing, and confirm the fixing type. If you have a part number from a diagram or packaging, use it to validate. Photos of the old anode and the mounting point help confirm fitment when markings are unclear.

Which anode material should I use on a Tohatsu outboard?

Material choice depends on your typical water type. Many owners replace like-for-like based on what the outboard has been running and wearing normally. If you are changing material, switch the set together across the outboard’s protected system and keep material consistent within that system. If you tell us where you boat, salt, brackish, or fresh, and what anode position you need, it is easier to guide the selection.

Why are my outboard anodes wearing out quickly?

Fast wear can be caused by an unsuitable anode material for your environment, poor electrical conditions, or missing anodes elsewhere on the outboard. First confirm all expected anodes are fitted and that they have clean contact surfaces. Then consider electrical factors such as shore power, chargers, or wiring faults if the boat is moored in a marina. Rapid wear is a useful warning sign, so it is worth investigating rather than simply replacing more often.

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Tohatsu outboard anodes, matched to your exact setup

Start with the anode position, not just the engine size

Outboards can have several anode locations. A trim tab anode is not the same as a small bracket anode, and plate shapes differ by leg design. Identify where it fits on your outboard first, then match the correct shape and fixing details. This avoids ordering the right brand but the wrong anode style.

Measure hole spacing and thickness to avoid fitting issues

Small differences stop anodes seating properly. Measure the old anode or the mounting point, and compare hole spacing, thickness, and profile details. If you cannot measure accurately, a clear photo next to a ruler can usually confirm enough to pick the right option.

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Fit for clean contact and watch wear behaviour

Anodes need clean metal contact, so remove paint and heavy oxidation where the anode sits and tighten evenly. Inspect after a few trips. Steady wear is expected. Very fast wear can indicate electrical issues or missing anodes elsewhere, while little wear often points to poor contact.

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