Premium Marine Wire Set/Sparks Plugs

Replaces: Mercruiser 84-81676109, 84-816761A10

OMC: 503752

Fits: Ford 5.0L, 5.8L, 370 Cobra (7.4 & 8.2L)

W/ Conventional Ignition



*Durable stainless steel wound conductor for maximum horsepower and engine performance.

*Premium silicone jacketing and boots for the ultimate in high temperature protection.

*Superior RFI/EMI suppression for the most sensitive electronic systems.

*Corrosion resistance stainless steel spark plug and distrubutor terminals for maximum conductivity.

*Pre-greased insulators to eliminate seized connections.


Moisture-proof, molded distributor insulators

High-quality conductive center carrier

Mag/Wire wound core delivers maximum voltage

High tensil strength membrane

Innovative nylon reinforcing tape for added strength and durability

Posi-lock stainless steel terminals resist corrosion

Premium Marine Wire Set

SKU: 18-8803-2
  • If you are not 100% satisfied with your purchase, you can return the product and get a full refund or exchange the product for another one, be it similar or not.

    You can return a product for up to 30 days from the date you purchased it with a 10% restocking fee.

    Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt.

  • All orders are processed within 2-3 business days. Orders are not shipped or delivered on weekends or holidays. If we are experiencing a high volume of orders, shipments may be delayed by a few days. Please allow additional days in transit for delivery. If there will be a significant delay in shipment of your order, we will contact you via email or telephone


    Shipping rates & delivery estimates: 

    Shipping charges for your order will be calculated and displayed at checkout.

    Shipment confirmation & Order tracking: 

    You will receive a Shipment Confirmation email once your order has shipped containing your tracking number(s). The tracking number will be active within 24 hours.

Our Services

- Winterize/Dewinterize

- Oil Changes

- Drive Services

- Engine Rebuilds

- Detailing

- And Much More

Opening Hours

Mon - Fri: 9am - 5pm


Winter Hours: 9am - 5pm

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Contact Us

155 W. Central Ave

Millcreek, UT 84107


©RVGM established 2014