Mercruiser Alpha 1 Gen 1 Anode Kit Replacement Martyr CMALPHAGEN1KIT (Aluminum, Zinc & Magnesium Options)
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Mercruiser Alpha 1 Gen 1 Anode Kit Replacement Martyr CMALPHAGEN1KIT
Anode kit replaces Mercruiser part: 888756Q04
Suits Mercruiser sterndrive:
MR and Alpha One (S/N 6225577 – 0D469828, 1983-1990)
Anode kit includes:
1 x 31640Q4 trim tab anode (Martyr CM31640)
2 x 55989Q9 anode (Martyr CM55989)
1 x 821631Q1 plate anode (Martyr CM821631)
1 x fastening hardware & instructions
Anode material options:
- Aluminum (for use in salt and brackish water) MIL-DTL 24779C(SH)
- Zinc (for use in saltwater) MIL-DTL-18001L
- Magnesium (for use in freshwater) AZ91D
Why aluminum instead of zinc for salt and brackish water?
- Performs at least 5% better than traditional zinc anodes in salt water;
- Protects 50% longer than traditional zinc anodes;
- Aluminum is environmentally friendly - it contains 0% Cadmium, a toxic material found in traditional zinc anodes;
- Meets the US Military Specification MIL-DTL 24779C(SH);
- Weighs 50% less than traditional zinc anodes;
- Are the only anodes proven to be effective in Salt & Brackish water
- Easy installation

Order by 2PM to get delivered next working day! We use 24 hours service with carriers in most cases so that you can get your order delivered on time.
There is €4.99 charge for delivery under €50 Orders. Additional charges will be imposed by our couriers for delivery to remote area, a surcharge may be levied to cover carriage to these areas.
Your product is covered by a 12 month Warranty or more if you opted for the extended warranty. Make sure you register your product.
Buy in bulk
| Variant | Quantity | Price | Total |
|---|---|---|---|
Aluminum (salt and brackish water)
CMALPHAGEN1KITA
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Zinc (saltwater)
CMALPHAGEN1KITZ
|
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Magnesium (freshwater)
CMALPHAGEN1KITM
|
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