Ignitions and Electrical› Wiring Harnesses

SIERRAMARINE

WIRING HARNESS BOATSIDE, MERCURY

$386.10

SKU: S08C 18-99443

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

Easy — 1–2 hours

Description

The Sierra Boat Side Wiring Harness 18-99443 is compatible with 1979-2006 (8-Pin Cannon Plug Harness) systems and can interchange with CDI 474-9560. This wiring harness is designed for marine applications.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandSIERRAMARINE
Part NumberS08C 18-99443

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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