PRODUCT DETAILS
🛠️ Product Title
Spark Plug HT Lead (5") for Mercury Outboards 30–200HP | Replaces 84-813706A55 / 813715A9
🔧 Product Description
Spark Plug Wire / HT Lead – 5-Inch (High Tension)
Replaces Mercury Part Numbers: 84-813706A55, 813715A9
Fits a Wide Range of Mercury Outboards from 30HP to 200HP
This high-quality aftermarket spark plug HT lead (5") is designed for reliable ignition performance in Mercury outboards from 30HP to 200HP. Built to OEM specifications, it ensures proper spark delivery from coil to plug for smooth engine running and efficient combustion.
Fits Mercury Outboards (2-Stroke & Some 4-Stroke):
• 30HP
• 115HP
• 125HP
• 135HP
• 150HP
• 175HP
• 200HP
(Also fits other models that use 813706A55 or 813715A9 — please verify before purchase.)
Product Features:
• Replaces OEM Mercury part #: 84-813706A55, 813715A9
• 5" long high-tension spark plug lead
• Designed for reliable spark transfer under load
• Durable marine-grade materials
• Direct-fit aftermarket replacement
⚠️ Please check your original part number or engine model to ensure fitment.
If unsure, contact us with your engine’s serial number — we’re happy to confirm compatibility.
⚓ Why Buy from SSI Marine?
• UK stock – ready for fast dispatch
• Same-day shipping on orders before 1PM
• Collection available from Leigh, Manchester workshop
• Trusted by marine professionals and DIYers
• VAT receipt available – credit card payments accepted
Dependable marine ignition starts here — shop quality parts from SSI Marine.
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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