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Sierra 18-28085 Spark Plug Wire Set for Mercury 4-Cylinder Outboards

Manufacturer

Part Number

118-28085
Sale Price

$49.98

In Stock (8)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-28085 is a premium marine spark plug wire set designed specifically for Mercury 40-60 HP EFI 4-stroke, 4-cylinder outboard engines. This set includes four high-performance ignition wires, each measuring 8 inches in length, engineered to deliver reliable ignition performance in demanding marine environments.

Key Features:

  • 8-inch (205mm) wire length for proper fitment
  • Marine-grade construction designed to withstand harsh saltwater conditions
  • Engineered to meet or exceed OEM specifications
  • Direct replacement for Mercury Marine OEM part numbers

This Sierra ignition wire set replaces Mercury Marine part numbers 84-821945T65, 84-821945T74, and 84-881908T, as well as CDI 934-0003 and Mallory 9-28085. Sierra marine parts are manufactured to strict quality standards, providing reliable performance and durability at an excellent value compared to OEM alternatives.

Seamless

When I placed my order the conformation page didn't have detailed information. I contacted custom service and they sent me a detailed invoice, they called shipping to confirm details, then sent me email to confirm. Product arrived on time as ordered.

Searching www all day looking for what I needed at a nice price.

Extremely satisfied with my product. It arrived without any issues. The box was marked and packaged very well to ensure there would be no damage since the item was fragile. I had a great experience from start to finish. Will definitely order again from Boatplicity.

really easy

Always correct and quick.

Super easy!

Good

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