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


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Model # 10529873 | Mfg # MP39040UPC # 808282374211


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

Name Value
Type Switches

Product Overview

Exact OEM replacement ignition switch for Seadog part number 420351-1.

Sierra's Brass Ignition Switch is impact- and corrosion-resistant and fits a standard 7/8"dia. hole. This three-position magneto switch provides Off-Run and Start. Includes two keys and different key codes for added security.

Key Features

  • Corrosion-resistant construction
  • Three-position magneto switch
  • Exact OEM replacement for Seadog 420351-1


  • Material: Brass
  • Length: Long, 1 1/8" maximum panel thickness
  • Hole Size: 7/8"
  • Terminal Type: 5 screw tab
  • Back Up Nut: Brass
  • Face Nut: Hex chrome
  • Positions: Off-Run-Start


  • Ignition: 10A @ 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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