PRODUCT DETAILS
SSI Marine Replacement Ignition Coil – Mercury / Mercruiser / Quicksilver 4-Stroke EFI
Restore engine performance, smooth idling, and reliable ignition with this high-quality aftermarket ignition coil, built to meet or exceed OEM specifications. Suitable for 30HP & 40HP 3-cylinder 4-stroke EFI Mercury outboards, this coil delivers a strong, consistent spark and long-lasting durability in marine conditions.
✅ Key Features:
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Direct plug-and-play OEM replacement
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Delivers strong, stable ignition spark
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Fully sealed & corrosion-resistant
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Marine-grade build quality
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No modifications required
⚙️ Fits Mercury 4-Stroke EFI Outboards:
30HP EFI (3 Cyl, 4-Stroke)
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Engine range: 1C104334 / 0P560350 and up
(1C109093 ➝ 1C456299) -
Engine range: 1C456300 and up
40HP EFI (3 Cyl, 4-Stroke)
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Engine range: 1C104334 / 0P560350 and up
(1C043417 ➝ 1C456299) -
Engine range: 1C456300 and up
🔁 Replaces OEM Part Numbers:
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8M0034012
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8M0045124
📦 Package Includes:
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1 × Ignition Coil (Direct replacement, OEM style)
⚠️ Buyer Responsibility:
It is the buyer’s responsibility to ensure part number compatibility before ordering.
If you are unsure, please message SSI Marine — our technical team will help confirm fitment for your engine.
💡 Why Choose SSI Marine:
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Reliable OEM-equivalent performance
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Tested for marine use
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UK stock – Tracked 24-hour delivery
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Trusted supplier for marine replacement parts
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Technical support available
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.











