ANODE ALU BLOC MERCRUISER
Anode de platine fixé sur le répartiteur d'huile de trim d'une embase Mercruiser Alpha One.
Dimensions: 103x78x38mm
Inclus dans kit : 10059A - 10205A.
Essential for preventing galvanic corrosion, sacrificial anodes act as the shield for your Mercruiser sterndrive. At DAM Marine, we offer a carefully selected range of anodes and complete kits suited to every engine generation (Alpha One, Bravo). Whether you navigate in fresh, salt or brackish water, discover how to preserve the life of your engine with the right alloy (zinc, aluminium or magnesium) and our expert advice.
DAM Marine's catalogue covers all major sterndrive families so you can easily find your Mercruiser anode. Whether you own an older or more recent model, our range is structured to meet the specific requirements of each marine engine in the Mercury Mercruiser range.
Anode de platine fixé sur le répartiteur d'huile de trim d'une embase Mercruiser Alpha One.
Dimensions: 103x78x38mm
Inclus dans kit : 10059A - 10205A.
Anode d'embase type dérive plate pour embase Mercruiser bravo 3.
Anode ne disposant pas du filetage à l'inverse de 00049A.
Diamètre: 91mm
Inclus dans kit : 10165A.
Anode recharge en bout d'arbre d'hélice pour embase Mercruiser Bravo 3 avant 2004 ne disposant pas initialement de cette anode mais sur laquelle le kit 10195A a été installé.
Diamètre: 60mm
Anode en bout d'arbre d'hélice pour embase Mercruiser BRAVO 3 après 2003.
Diamètre: 54mm
Inclus dans le kit : 10165A.
Anode pour diabolo d'hélice sur embase Mercruiser Alpha One G2 et Vazer.
Diamètre: 85mm.
Inclus dans kit 10059A.
Anode de diabolo d'embase Mercruiser type Bravo I, II, et III.
Diamètre: 89mm
Inclus dans kit : 10060A.
Anode de plaque de cavitation pour une embase Mercruiser type Bravo I II et III.
Dimensions: 178x108x16mm
Inclus dans kit : 10060A - 10061A - 10165A.
Anode plaque pour embase Mercruiser Alpha One G2.
Inclus dans kit 10059A.
Dimensions :188x76mm
Anode pour verin d'embase MerCruiser Alpha One G2 et Bravo XR.
Diamètre 38mm
Inclus dans kit 10059A.
Anode de vérin pour embase Mercruiser Bravo I, II, et III.
Diamètre: 49.5mm
Inclus dans kit : 10165A - 10061A - 10060A.
The anode is a sacrificial metal part specifically designed to attract electrochemical corrosion. Instead of attacking the vital and expensive components of your sterndrive (such as the stainless steel propeller, transmission shaft or housing), the galvanic current eats away at this softer metal. It deteriorates and gradually dissolves in the water to preserve the structural integrity of your submerged Mercury engine throughout the boating season.
Mixing protective alloys on the same hull is strongly discouraged. For example, installing both zinc and aluminium protection on the same transmission completely cancels the effectiveness of the galvanic protection system. This unfortunate mix unbalances conductivity and concentrates marine corrosion on the least protected part of your boat, causing rapid and irreversible damage to the propulsion structure.
Choosing the right material for your anodes is a decisive step in ensuring the longevity of your marine engine. This choice is not random: it depends exclusively on the type of water in which your boat operates. Choosing the wrong alloy can make the anode completely ineffective, exposing your sterndrive to rapid destruction by electrolysis.
The zinc anode is the standard, historic option for boaters who navigate exclusively in marine environments. If your boat remains moored year-round in a saltwater harbour, zinc offers excellent electrochemical reactivity to capture corrosion before it attacks vital propulsion components.
The aluminium anode is now the universal solution par excellence. This modern alloy performs extremely well in salt, brackish or fresh water. Choosing aluminium is particularly recommended if you often change bodies of water, while benefiting from a service life that is generally longer than that of traditional alloys.
Finally, magnesium anodes are strictly reserved for fresh-water environments (lakes, rivers and waterways). In these low-conductivity waters, it is the only metal active enough to perform its sacrificial role. Be careful: using magnesium at sea would cause it to disintegrate in just a few days.
| Metal | Recommended navigation environment | Main use |
|---|---|---|
| Zinc anode | Saltwater | Exclusive sea navigation. |
| Aluminium anode | Saltwater, freshwater and brackish water | Versatile use and excellent service life. |
| Magnesium anode | Freshwater, lakes and rivers | Strict inland waterway navigation. |
The wear of a plate anode or any other sacrificial element is a normal process that proves the system is working. However, it is vital for the health of your Mercruiser sterndrive to monitor this degradation carefully. Delaying the replacement of your protective parts can lead to repairs whose price is excessive compared with the cost of basic maintenance.
The absolute rule in boating is to replace the equipment immediately when it shows a 50% loss of material compared with its original volume. Even if the part still appears complete, its ability to capture galvanic currents drops sharply beyond this critical threshold.
A regular visual inspection should therefore be an integral part of your checking routine. It is recommended to inspect each Mercury anode before every launch or extended trip, looking for signs of excessive deterioration or pronounced oxidation (white powder or a heavily eaten surface).
Systematic replacement should be carried out at least once a year, ideally during winterisation or the annual service of your engine. If your boat stays permanently afloat, changing twice a year may be necessary depending on how aggressive the water is.
Expert advice: never apply paint, grease or antifouling treatment to your anodes. These products create an insulating barrier that prevents the alloy from dissolving, making the protection completely ineffective.
To guarantee calm and comprehensive maintenance, DAM Marine has developed solutions that group together all the essential components for your propulsion. Choosing a complete package is often more economical than buying parts individually, offering excellent value for money.
Making sure the selected Mercruiser anode perfectly matches your mechanics is essential. Fastening systems vary considerably from one decade to another. To help you validate part compatibility, here are the key years to consider when ordering.