Sierra 4 Position Magneto Ignition Switch
The Sierra SMP39730 Switch is designed for the applicable marine electrical circuit.
Back Up Nut:Â Brass
Face Nut:Â Knurled Black Plastic with Rubber Cap
Hole Size:Â 7/8"
Length:Â Short: 5/8" maximum panel thickness
Material:Â Marine grade glass-filled Polyester
Rated Accessory:Â 15 Amp @ 12v DC
Rated Ignition:Â 15 Amp @ 12v DC
Rated Solenoid:Â 30 Amp @ 12 VDC
Terminal Type:Â 6 Tinned Brass Screw Terminals
Switch Positions:Â Acc - Off - Run - Start
Type:Â 4 Position Magneto
For Outboard engines without choke circuit
Maximum corrosion protection - eliminates oxidation
Inner seal between cylinder lock and contact plate
Non-conductive housing eliminates potential shorts
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra MP39730?
Sierra MP39730 is a switch.
Which part numbers cross-reference Sierra MP39730?
This listing cross-references Sea Sense 50031154 and Valmar 31152. See the Cross References & Alternative Products section above for linked alternatives where available.