My Account
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order

Sierra 18-8833-1 Premium MagForce Marine Spark Plug Wire Set for MerCruiser Delco EST

Manufacturer

Picture for manufacturer Sierra

Part Number

118-8833-1
9 reviews
Sale Price

$34.73

In Stock (5)

delivery box

Usually delivered within 2 days

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-8833-1 is a premium MagForce marine spark plug wire set designed for MerCruiser 3.0L 4-cylinder engines with Delco EST ignition systems. This set replaces OEM part numbers Mallory 9-28056, MerCruiser 84-816761Q14, and 84-816761A14.

What's Included:

  • Two 9-inch spark plug wires
  • Two 15-inch spark plug wires
  • One 9-inch coil wire

Premium Construction Features:

  • 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 high temperature protection
  • Corrosion resistant stainless steel spark plug and distributor terminals for maximum conductivity
  • Superior RFI suppression for the most sensitive electronic systems

This wire set delivers improved engine performance, better fuel efficiency, and reliable ignition in harsh marine environments. The high-quality construction ensures proper energy delivery from the ignition coil to the spark plugs for optimal combustion.

Great

Quick selection and nice site layout

Excellant so far.

No problems, everything came as ordered.

Found product at a lower price than a couple of other sites convenient fast shipping with quality of followup of product ordered thanks

Great prices and lighting shipping.

really easy

My experience was great

Seamless purchase, fantastic price!

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy