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Sierra MP41040 Ignition Switch 4-Position

Original price $27.99 - Original price $27.99
Original price
$27.99 - $27.99
Current price $27.99

Sierra MP41040 Ignition Switch 4-Position

Sierra's Polyester Ignition Switch fits a standard 7/8"dia. hole and features a four-position conventional switch that provides Accessory-Off-Run-Start. 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
  • Four-position conventional switch
  • Exact OEM replacement for Seadog 420375-1


  • Material: Marine-grade glass-filled polyester
  • Length: Long; 1 1/8" maximum panel thickness
  • Hole Size: 7/8"
  • Terminal Type: 4 screw tab
  • Back Up Nut: Brass
  • Face Nut: Knurled black plastic with snap-on rubber cap
  • Positions: Accessory-Off-Run-Start


  • Ignition: 15A @ 12V DC
  • Solenoid: 30A @ 12V DC
  • Accessory: 15A @ 12V DC

IGNITION SWITCH Heavy duty with special 4-position and 4 blade terminals. Features chrome plated face nut with rubber boot to seal out splashes. Accessory-Off-Ignition-Start. Fits panels up to 1-1/8" thick.Sierra 3 position magneto off-run-start marine ignition switch for Johnson/Evinrude and most OMC inboard/outboard engine powered boats. Push choke. Fits up to 5/8 inch panel thickness. 7/8 inch hole. Includes two keys. MAXIMUM CORROSION PROTECTION-ELIMINATES OXIDATION. INNER SEAL BETWEEN CYLINDER LOCK AND CONTACT PLATE. NON-CONDUCTIVE HOUSING ELIMINATES POTENTIAL SHORTS. MAX PANEL THICKNESS IS 1-1/8". 4-SCREW TAB TERMINALS. RATED: IGNITION 15 AMP@ 12VDC. SOLENOID 30 AMP @ 12 VDC. ACCESSORY 15 AMP @ 12 VDC.