Description
Sierra 3-Position Conventional Ignition Switch with Rubber Cap – MP41030
A three-position conventional marine ignition switch with a rubber-capped face nut for added environmental protection at the panel.
- Off-Run-Start conventional operation
- Knurled black face nut with rubber cap
- Three screw-tab terminals
- Fits a 7/8-inch hole and panels up to 5/8 inch thick
- 15A ignition and 30A solenoid ratings at 12V DC
Specifications
- Part number: MP41030
- Type: 3-position conventional
- Function: Off – Run – Start
- Hole size: 7/8 in.
- Maximum panel thickness: 5/8 in.
- Terminals: 3 screw tabs
- Ignition rating: 15A @ 12V DC
- Solenoid rating: 30A @ 12V DC
Interchange / Replaces
- Sea-Dog: 420366-1
Application / Fitment Notes
For conventional marine ignition circuits. Compare terminal function, mounting depth and cap style against the original switch.

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