PRODUCT DETAILS
Spark Plug HT Lead (7") for Mercury 30–200HP Outboards | Replaces 84-821945A28, F718503, 813706A28
This 7" high-tension spark plug lead is a quality aftermarket replacement for a wide range of Mercury outboards from 30HP to 200HP. Designed to provide reliable spark delivery under all marine operating conditions.
Fits Mercury Outboards:
• 30HP
• 115HP
• 125HP
• 135HP
• 150HP
• 175HP
• 200HP
(Fits engines using OEM part numbers listed — please verify with your model or serial number before purchase.)
Replaces Mercury Part Numbers:
• 84-821945A28
• F718503
• 813706A28
• 821945A28
• 821945T28
Product Features:
• Length: 7 inches
• High-quality aftermarket build
• Reliable spark transmission under load
• Marine-grade materials for heat and moisture resistance
• Direct-fit, quick installation
⚠️ If you're unsure about compatibility, contact SSI Marine with your engine details — we’ll be happy to confirm the correct lead length and part for your outboard.
Why Buy from SSI Marine?
• Fast dispatch from UK stock
• Same-day shipping before 1PM
• Collection available from our Leigh, Manchester unit
• VAT invoices available on request
• Trusted by marine techs, anglers, and DIY boaters
Ignite performance with dependable parts from SSI Marine.
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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