PRODUCT DETAILS
Genuine Quicksilver / Mercury Marine Ignition Coil
Genuine Quicksilver ignition coil for a wide range of selected Mercury and Mariner 2-stroke outboard engines from 25 HP to 250 HP.
Current Mercury / Quicksilver part number:
8M0230859
IMPORTANT – Older Bolt-Through Coils
This current-style coil can also be used to replace selected older bolt-through style ignition coils where the superseded part number/application matches.
The replacement coil may look different from the original older-style unit.
Fitment
Suitable for selected Mercury / Mariner 2-stroke applications including:
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25 HP
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30 HP
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35 HP
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40 HP
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45 HP
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50 HP
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55 HP
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60 HP
-
65 HP
-
70 HP
-
75 HP
-
80 HP
-
90 HP
-
100 HP
-
115 HP
-
125 HP
-
135 HP
-
140 HP
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150 HP
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175 HP
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200 HP
-
225 HP
-
250 HP
Used across selected 2-cylinder, 3-cylinder, 4-cylinder, inline and V6 2-stroke engines.
⚠️ Not every Mercury / Mariner 25–250 HP engine uses this coil.
Genuine Quicksilver Part Number
8M0230859
Supersedes / replaces selected applications using:
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832757A4
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339-832757A4
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832757A3
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339-832757A3
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7370A13
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339-7370A13
Please confirm earlier references against your engine serial number before ordering.
Product Features
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Genuine Quicksilver / Mercury Marine
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Current part number 8M0230859
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Selected 25–250 HP applications
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Mercury & Mariner outboards
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Selected 2-stroke engines
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Suitable for selected older bolt-through style applications
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Direct replacement where application matches
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New genuine part
What's Included
1 × Genuine Quicksilver Ignition Coil – 8M0230859
Multi-cylinder engines normally use more than one ignition coil.
This listing is for ONE coil.
Important
Do not order by HP or appearance alone.
Please check your:
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Engine model
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Horsepower
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Complete serial number
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Existing coil part number
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Electrical connections
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Mounting arrangement
If unsure, send us your engine horsepower and complete serial number and we will check compatibility for you.
Why Buy From SSI Marine?
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Genuine Quicksilver / Mercury Marine part
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UK stock
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Same-day dispatch before 1 PM Mon–Fri
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Royal Mail Tracked 24
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Collection from Leigh, Greater Manchester
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Technical support available
Buyer Responsibility
Please confirm compatibility with your engine model and serial number before purchase.
SHIPPING & DELIVERY
Delivery & Returns Policy
Delivery
Standard Delivery
- £6: Royal Mail Tracked 24 Service
- £3.99: Large Letter - Royal Mail 1st Class Post (Untracked)
We offer free delivery on all orders over £150 (excludes outboard engines).
Orders placed before 1:00 PM (Monday-Friday) are usually dispatched the same working day.
Most parcels are delivered within 24 hours, but please allow extra time for courier delays that may occur outside our control.
For outboard engines, please contact us for a delivery quote.
Important: Please ensure your shipping address is correct before completing checkout. SSI Marine is not responsible for parcels sent to an incorrect address provided by the buyer.
Tracking Your Order
Once your order has been dispatched, you will receive a tracking number via email (after 5 PM on the day of dispatch).
Tracking is available only for parcels sent via Royal Mail Tracked 24.
Large Letter orders are sent via Royal Mail 1st Class Post (untracked).
Returns
We accept returns of unused and undamaged items within 30 days of purchase.
Returned items must be in sellable condition and include the original packaging.
Please do not tape, label, or write directly on the product's original box.
Important: Do not return items in their original product boxes only, they must be placed inside a protective outer box or bag. Parcels returned like the example below will be subject to a 20% restocking fee.
Return shipping costs are the customer's responsibility.
Please include your order details and reason for return inside the parcel.
Refunds
Refunds are issued for the item purchase price only (shipping costs are non-refundable).
All refunds will be made using the same payment method as your original order.
Items returned in poor condition or without proper packaging may incur a 20% restocking fee.
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