Description
SIERRA Mercury 2-Cylinder Ignition Switch Box – 18-5776 is an ignition switch box for selected Mercury/Mariner 2-cylinder outboards using the 339-7452-series stud-type switch box. The switch box controls ignition output on the specified Mercury/Mariner applications and must match the engine serial range and original switch-box family.
Key Features
- For selected Mercury/Mariner 2-cylinder outboards
- Common on 18-25 HP applications; verify engine serial number and original switch-box number
- Stud-type ignition switch box
- Electronic ignition switch-box module
- Fitment is tied to the specified Mercury/Mariner ignition family
Specifications
- Sierra part number: 18-5776
- Product type: Outboard ignition switch box
- Application: For selected Mercury/Mariner 2-cylinder outboards
- Application notes: Common on 18-25 HP applications; verify engine serial number and original switch-box number
Interchange
- Mercury 339-7452A1
- Mercury 339-7452A2
- Mercury 339-7452A3
- Mercury 899883230
- CDI 114-7452A3

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