Delivery info

Delivery is generally
within 2-10 days, depending
on your location.

30 days returns

Return will not accepted if the product is opened or after use. All returns requests need to be within 30 days of when the original order was received. Original shipping costs will not be refunded.


  • Back Up Nut :Brass, Face Nut : Hex Black Plastic, Hole Size : 7/8"
  • Inner seal between cylinder lock and contact plate
  • Maximum corrosion protection - eliminates oxidation
  • Non-conductive housing eliminates potential shorts
  • Length : Long: 1 1/8" maximum panel thickness, Material : Marine grade glass-filled Polyester
  • Rated Ignition: 15 Amp @ 12v DC, Rated Solenoid: 30 Amp @ 12v DC, Switch Positions: Off - Run - Start, Terminal Type: 5 Screw Tab, Type: 3 Position Magneto



The Sierra MP39100 Ignition Switch is interchangeable with the following: Evinrude/Johnson 386545. Features maximum corrosion protection, an inner seal between cylinder lock and contact plate, non-conductive housing eliminates potential shorts, 20 Amp rating. Works with both magneto and conventional ignitions.

Sierra products are engineered to meet today’s high horsepower engine demands and stand up in the harsh marine environment. All Sierra products meet or exceed the original equipment part it replaces. Sierra supplies many OEM engine manufacturers and boat builders hundreds of quality parts every day.



Manufacturer's Technical Support: 1-877-663-8396



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