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Sierra MP52000 3-Position Push to Choke Magneto Ignition Switch, Off-Run-Start



Part Number

02/06/2033 7:06 AM
Sale Price


In Stock (10+)

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Usually delivered within 2 days

No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

Sierra MP52000 3-Position Push to Choke Magneto Ignition Switch, Off-Run-Start

Sierra MP52000

This magneto ignition switch is impact- and corrosion-resistant for years of service.

Sierra's Polyester Ignition Switch is impact- and corrosion-resistant and fits a standard 7/8"dia. hole. The six color-coded wire leads match Mercury Marine factory color codes for easy installation. This three-position magneto switch provides Off-Run-Start with push-to-choke. Includes two umbrella type 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
  • Heavy-duty potted construction
  • Minimal bleed per circuit
  • Three-position magneto switch
  • Push-to-choke
  • Exact OEM replacement for Mercury Marine and Mercury Sport Jet 87-88107A5
  • Colors on switch wires match factory color codes


  • Material: Marine-grade glass-filled polyester
  • Length: Short, 5/8" maximum panel thickness
  • Hole Size: 7/8"
  • Terminal Type: Six color-coded wire leads/potted
  • 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 , where you can search by engine make, serial number and model or year of manufacture.

Products specifications



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good experience!


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Even though I checked the 20offshipping it did not apply it at checkout.

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Had an error first time i ordered. Went smoothly next time.

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