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Description
The Sierra Mercury Ignition Switch MP51090 is a heavy-duty, exact OEM replacement designed for reliable marine starting and operation. Featuring potted construction, corrosion protection, and a molded umbrella key, it delivers smooth Off-Run-Start control with minimal electrical bleed and long-lasting performance.
Sierra Mercury Ignition Switch - MP51090 Item # 1810381
Description
Features:
- Exact OEM replacement installation
- Heavy duty potted construction
- Minimal bleed per circuit
- Molded umbrella type key
- Push to choke
- Maximum corrosion protection - eliminates oxidation
- Inner seal between cylinder lock and contact plate
- Non-conductive housing eliminates potential shorts
Specifications:
- Back Up Nut: Not Required
- Face Nut: Hex Black Plastic
- Hole Size: 7/8"
- Length: Short: 5/8" maximum panel thickness
- Material: Polyester
- Rated Choke: 7A @ 12V DC
- Rated Ignition: 15A @ 12V DC
- Rated Solenoid: 30A @ 12V DC
- Terminal Type: 6 Color Coded Wire Leads/Potted
- Switch Function: Off - Run - Start
- Type: 3 Position Magneto
Replaces:
- Mercury Marine:
- 87-17009A5