Exterior Components› Body Panels and Components

SIERRAMARINE

WIRING PLUG SET

$72.47

SKU: S08C 18-8810-1

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Sierra Marine 18-8810-1 is a premium MagForce marine spark plug wire set designed for Mercruiser Sterndrive and OMC engines. It features a Kevlar core for maximum durability and a stainless steel wound conductor for optimal horsepower. These wires are also electronics-friendly, protecting sensitive onboard electronics like GPS and VHF from interference.

This wire set replaces OEM part numbers 0503751 and Mercury 816761Q16. Specific fitments include Crusader Marine 229 and 262 (4.3L) V-6 engines with Electronic Ignition, Indmar, Mastercraft, and Marine Power 262 (4.3L) V-6 engines. The kit includes varied lengths of spark wires and a coil wire for comprehensive coverage.

Fitment

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Specifications

BrandSIERRAMARINE
Part NumberS08C 18-8810-1

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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