3-Position Ignition Switch Conventional, Off-Run-Start
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SIERRA3-Position Ignition Switch Conventional, Off-Run-Start


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Add extra coverage from the date of purchase beyond the manufacturer’s warranty.  View Details

Model # 10529949 | Mfg # MP39780UPC # 808282367671


3-Position Ignition Switch Conventional, Off-Run-Start

Name Value
Type Switches

Product Overview

Exact OEM replacement ignition switch for Seadog part number 420361-1.

Sierra's 3-Position Ignition Switch fits a standard 7/8"dia. hole and features a marine-grade, glass-filled polyester housing for corrosion protection. Nickel-silver screw terminals ensure long-lasting conductivity. This three-position conventional switch provides Off-Run-Start with three screw tabs. Includes two keys and different key codes for added security.

Key Features

  • Maximum corrosion protection eliminates oxidation
  • Inner seal between cylinder lock and contact plate
  • Non-conductive housing eliminates potential shorts
  • Three-position conventional switch
  • Exact OEM replacement for Seadog 420361-1


  • Material: Marine-grade glass-filled polyester
  • Length: Short, 5/8" maximum panel thickness
  • Hole Size: 7/8"
  • Terminal Type: 3 screw tab
  • Back Up Nut: Brass
  • Face Nut: Hex black plastic
  • Positions: Off-Run-Start


  • Ignition: 15A @ 12V DC
  • Solenoid: 30A @ 12V DC

The Sierra Engine Parts Selector

In addition to ignition switches, we offer a wide variety of other engine parts manufactured by Sierra. To see if we have the part you need, see our Engine Parts Selector, where you can search by engine make, serial number and model or year of manufacture.


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