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Spark Plug 7" Wire, HT LEAD for Mercury 30 to 115-125-135-150-175-200 HP, 84-821945A28

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Spark Plug 7" Wire, HT LEAD for Mercury 30 to 115-125-135-150-175-200 HP, 84-821945A28

Spark Plug 7" Wire, HT LEAD for Mercury 30 to 115-125-135-150-175-200 HP, 84-821945A28

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.

Customer Reviews

Based on 2 reviews
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N
Nick Prout

Spark Plug 7" Wire, HT LEAD for Mercury 30 to 115-125-135-150-175-200 HP, 84-821945A28

P
Pete Barr
Set of new got leads mercury 60hp

Perfect fit and great quality. Items worked fantastically. Recommended

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