Premium Marine Wire Set/Spark Plugs

Replaces: Merc 84-816761Q7

OMC: 503750

Fits: 3.8L, 4.3L V6

W/ Conventional Ignition




*Kevlar core for maximum durability and long life

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

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

*Superior RFI suppression for the most sensitive electronic systems.

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


Magnetic suppression core

OE style boots provide a sealed barrier against heat, dirt and moisture

High quality durable insulation

Stainless steel winding

High quality Kevlar reinforced core

High tensile fiber braiding

Premium acrylic latex coating

Premium Marine Wire Set

SKU: 18-8801-1
  • 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.