MP39760 OMC Ignition Switch
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SIERRAMP39760 OMC Ignition Switch


In stock online.
Model # 487751 | Mfg # MP39760UPC # 808282367657
MP39760 OMC Ignition Switch


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MP39760 OMC Ignition Switch

Name Value
Diameter 7/8 Inch
Length 5/8 Inch Max Panel Thickness
Type 3 Position
Voltage 12V DC
Warranty Details Limited Lifetime

Product Overview

Impact- and corrosion-resistant switch provides Off-Run-Start and push-to-choke.

Sierra's Polyester Marine Ignition Switch fits a standard 7/8"dia. hole and offers impact and corrosion protection. Nickel-silver screw terminals ensure long-lasting conductivity. This three-position magneto switch provides Off-Run-Start with push-to-choke. 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 magneto switch
  • Convenient push-to-choke


  • Material: Marine-grade glass-filled polyester
  • Length: Short, 5/8" maximum panel thickness
  • Hole Size: 7/8"
  • Terminal Type: 5 screw tab, 1 boss screw
  • Back Up Nut: Plastic
  • Face Nut: Hex black plastic
  • Choke: Push-to-choke
  • Positions: Off-Run-Start


  • Ignition: 15A @ 12V DC
  • Solenoid: 30A @ 12V DC
  • Choke: 7A @ 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.

ApplicationOEM Part Number
Johnson/Evinrude Outboard393301, 508180


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