Mercury 6/15 HP Plate Anode – code: 5128203 – Motomarine

Mercury 6/15 HP Plate Anode (code 5128203) – Motomarine

The’Motomarine plate anode with code 5128203 is a replacement part designed for the maintenance of outboard motors Mercury in the indicated power ranges. It is a consumable component used to protect metal parts exposed to the marine environment, typically subject to galvanic corrosion.

This version is indicated as plate/small plate anode and is offered as a replacement for applications on Mercury 6–15 HP, engines, referring to 6–15 (2T) e 9.9–15 (4T) as per product description.

Product identification

• Type: plate anode / small plate anode
• Declared application: Mercury 6–15 (2T) e 9.9–15 (4T)
• Product code: 5128203
• Supplier: Motomarine S.R.L.

When it is useful to consider replacement

• Scheduled maintenance: during periodic checks of the engine and lower unit.
• Storage and pre-season: before putting the boat back in the water or after periods of intensive use.
• Visual inspection: when the anode appears worn or deteriorated compared to initial conditions.

Compatibility: how to correctly verify

The indicated compatibility refers to Mercury 6–15 (2T) e 9.9–15 (4T). engines. For an accurate check, it is good practice to compare:

• the code 5128203 reported in the spare parts documentation or on the removed component (if present);
• the shape of the anode and the mounting points relative to the installed part;
• any indications from the engine manual or spare parts catalog.

In case of doubt, it is advisable to check before ordering to avoid incompatibilities due to equipment variants or production updates.

Benefits in terms of management and maintenance

• Dedicated spare part: identified by product code, useful for quick reorders and inventory management.
• More organized maintenance: replacement of the anode as a typical intervention during engine checks.
• Support for anti-corrosion protection: component designed to contribute to the protection of exposed metal parts.

Usage and practical notes

Replacing an anode is part of routine maintenance operations. It is important to work carefully to avoid damaging seats and fastenings and to correctly restore the assembly.

General indications

• Preliminary check: verify that the anode to be replaced matches the ordered spare part in shape and fastening.
• Seat cleaning: before assembly, make sure the contact surface is clean and free of residues that could interfere with installation.
• Periodic inspection: check the condition of the anode during the season and on occasions of interventions on the lower unit or propeller group.

Note on descriptions and names

In some technical sheets and catalogs, the same component may be indicated as plate anode o small plate anode. For this product, the most reliable reference remains the code 5128203 associated with the supplier Motomarine and the indicated Mercury application.

FAQ – Frequently Asked Questions

For which engines is this plate anode suitable?

The product sheet indicates it for Mercury outboard engines 6–15 (2T) and 9.9–15 (4T). For confirmation, also check the code 5128203 on the spare parts documentation or compare the shape and fittings with the installed part.

What is the product code of the anode?

The supplier/product code is 5128203 (Motomarine). It is the most useful reference for reorders and compatibility checks.

What is the purpose of an anode on the outboard motor?

An anode is a consumable component used to help protect the metal parts of the engine exposed to the marine environment, reducing the effects of galvanic corrosion.

When should the anode be checked or replaced?

It is generally checked during periodic maintenance, during storage or pre-season, and whenever obvious signs of wear or deterioration compared to the initial conditions are noticed.

How can I avoid buying an incompatible anode?

Compare the code 5128203 with the spare parts diagram or with the removed component (if listed), and check that the shape and fixing points correspond to those of your engine.