Exterior Components› Body Panels and Components

ARCO MARINE

MERCRUISER MERCURY & YAMAHA 4 STROKE SOLENOID

$56.60

SKU: A09I SW099

In Stock
In Stock
Ships by Jun 14
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The ARCO Marine SW099 is a replacement solenoid designed for use with Mercruiser, Mercury, and Yamaha 4-stroke engines. It features an isolated base and operates on a 12-volt system.

This solenoid is a direct replacement for several Mercury part numbers, including 89-818999A1, 89-818999A2, 89-850188A1, and 89-850188T1, as well as Yamaha part number 65W-81941-00. It also cross-references with Sierra part number 18-5820 and Quicksilver part number 8M0185147.

Fitment

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Specifications

BrandARCO MARINE
Part NumberA09I SW099

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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