PRODUCT DETAILS
SSI MARINE — CDI UNIT / POWER PACK / SWITCH BOX
Replacement ignition module for Mercury & Mariner twin-cylinder 2-stroke outboards (approx. 1997–2006). Reliable, OEM-compatible power pack to restore ignition timing and starting performance.
Key Specifications
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Applications: Mercury / Mariner outboards — Twin cylinder, 2-stroke
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Approximate Model Years: 1997–2006 (varies by serial/model)
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Horsepower Range: 6 HP, 8 HP, 9.9 HP, 10 HP, 15 HP, 20 HP, 25 HP
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Connection Types: Some units have bolted wire connections, others use plug connectors — please check your unit before ordering
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Condition: New aftermarket replacement (brand new in box / tested)
Replaces / Cross References
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Mercury OEM: 855713A3, 855713A4
Compatibility Guidance
This CDI / Power Pack is used on many twin-cylinder Mercury/Mariner 2-stroke outboards produced around 1997–2006. Serial ranges and exact fitment vary by model — always confirm your engine model and serial number prior to purchase.
If you are uncertain, provide your engine model, horsepower and serial number and our technical team will verify fitment for you.
What’s Included
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1 x CDI Unit / Power Pack / Switch Box (as described)
Important Notes
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Some models use bolted wire terminals instead of plug connectors — check your existing unit and order the matching type.
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Visual similarity does not guarantee correct fitment.
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It is the buyer’s responsibility to confirm the correct part for their engine prior to purchase. Contact SSI Marine if you need assistance.
Why Buy From SSI Marine
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Marine-grade aftermarket parts tested for reliability
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UK stock with fast dispatch and tracked delivery
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Technical support available to confirm fitment
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VAT receipt available on request; credit card payments accepted
Shipping & Dispatch
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Orders placed before 1:00 PM (working days) aim for same-day dispatch
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Orders after 1:00 PM dispatched next working day
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UK stock — tracked shipping
SHIPPING & DELIVERY
Delivery:
We offer free shipping on all orders over £150 (excluded outboard engines, trailers)
Standard Shipping - £ 8.50
Orders are typically shipped within 1 business day of receipt of payment. We ship via Royal Mail Tracked 24 delivery service. Delivery times vary depending on the delivery destination.
For engines delivery cost please ask for a quote.
It is the buyer's responsibility to ensure that the correct shipping address is supplied.
All item(s) will be despatched to the registered address.
Tracking your order:
Once your order has been shipped, you will receive a tracking number via email. You can track your order online using the tracking number provided.
Returns:
We accept returns of unused and undamaged items within 30 days of purchase.
To return an item please contact us for a return authorisation number. Return shipping costs are the responsibility of the customer.
Refunds:
Refunds will be issued for the purchase price of the item, less shipping costs. Refunds will be issued in the same form of payment as the initial purchase.
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