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Sierra Mp41000 Ignition Switch Replaces 87-88107A5

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List Price: $28.49
Starting At: $19.99
(You save $8.50
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Sierra MP41000 Ignition Switch - 3 Position Magneto

Sierra Marine's replacement engine components are manufactured to meet or exceed OEM requirements. This ignition switch provides maximum corrosion protection and features a non-conductive housing that eliminates potential shorts. It also features an inner seal between the cylinder lock and contact plate. 


  • Push to choke
  • Back up nut: Brass
  • Face nut: Hex black plastic
  • Hole Size: 7/8"
  • Length: Short 5/8" maximum panel thickness
  • Material: Marine-grade glass-filled polyester
  • Rated Choke: 7 Amp @ 12 VDC
  • Rated Ignition: 15 Amp @ 12 VDC
  • Rated Solenoid: 30 Amp @ 12 VDC
  • Terminal Type: 6 Screw tab
  • Switch Positions: Off - Run - Start

Interchangeable with:

  • Mercury Marine
    • 87-17393
    • 87-88107
    • 87-88107A5
  • Mercury Sport Jet
    • 87-88107
    • 87-88107A5
  • Seadog
    • 420381-1

California Residents: warning sign WARNING Cancer and Reproductive Harm -



Other Details

Google Product Type:
Ignition & Cutoff Switch
Google Custom Field 2:
Number of Terminals:
Switch Positions:
Product MPN:
Product UPC:

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