Sierra
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Part # MP40990
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Part # MP40970-1
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Part # 9-15400
2nd Day Air for $2 More Eligible
(Discontinued)

What will you do when you find yourself facing an emergency such as a man overboard or a barrier in the path of your boat? Each second makes a huge difference. Equip your boat with the cut-off switch from Siera. It comes with a lanyard that you can pull to switch off the ignition. This safety feature can be found in many new boats, but is a necessity that needs to be installed in older ones.

  • Kills ignition with a pull of the lanyard
  • Prevents run away of boats
  • Stops the boat’s engine

Features of Coiled Lanyard Cut-off Switch

  • Replacement Lanyard for MP40970-1
  • Replacement for Sea Dog 420489-1, 420488-1, Cole-Hersee M-598

Manf. Part # MP40990

  • Part type: Spare lanyard for MP40970-1
  • Manufacturer: Sierra
  • Package: Clamshell

Features of Sierra Cut Off Switch

  • Compatible with conventional or magento ignitions
  • Resist moisture
  • Allows easy reconnection
  • Includes coiled lanyard
  • Covered by Sierra’s warranty

Manf. Part # MP40970-1

  • Part type: Emergency cut-off switch with coiled lanyard
  • Manufacturer: Sierra
  • Package: Clamshell

Features of Mallory Switch, Ignition Safety (Coiled Lanyard)

  • Universal ignition safety switch
  • Replaces Mercury MP 40970

Manf. Part # 9-15400

  • Type: Ignition safety switch
  • Manufacturer: Mallory Marine
  • Fit: Universal
Coiled Lanyard Cut-Off Switch, Replacement for Sea Dog 420489-1 420488-1, Cole-Hersee M-598 - Sierra
New boats are equipped with this important safety feature by the builder. Now owners of older boats can add this same protection easily and quickly. In an emergency a quick pull on the lanyard stops the engine, thus preventing a run-away. All parts and complete instructions are included.

Spare lanyard for #MP40970-1.

Sierra MP40970-1 Emergency Cut-Off Switch

Features:

  • Coiled Lanyard
  • When lanyard is pulled, it kills the ignition
  • For use with conventional or magneto ignitions
  • Unique design of MP40960 and MP40970 keep plunger down when lanyard connected
  • Seals to keep moisture out.
  • Makes re-connection easier
  • Fits panels with up to 1/4" thickness.
Mallory Switch, Ignition Safety (Coiled Lanyard) 9-15400
Mallory Switch, Ignition Safety (Coiled Lanyard) 9-15400
Fits Application: Universal. Replaces: Mercury MP 40970
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ordered kill switch with lanyard, Lanyard was all I received
by Leon from Harrison, Arkansas on June 11, 2015
The review title say's it all.
(2 of 2 people found this review helpful)
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Perfect
by Steve from Bellingham, Washington on June 22, 2014
Perfect
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Average Customer Review for Sierra MP40970-1 Emergency Cut-Off Switch
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Based On 2 Reviews | Write Review
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Kill Switch
by Devin from Platte City, Missouri on September 02, 2013
Perfect fit
(0 of 1 people found this review helpful)
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Discovery Dave
by David from Lexington, South Carolina on August 04, 2013
This switch is for a 1997 Chris Craft Ultra Concept 21. It is an exact replacement. Installation was simple.
(0 of 1 people found this review helpful)
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Q:
Can you buy lanyard only?
A:
Yes it is this: http://www.iboats.com/Coiled-Lanyard-Cut-Off-Switch-Replacement-for-Sea-Dog-420489-1-420488-1-Cole-Hersee-M-598-Sierra/dm/view_id.187621


Q:
I have a 85 25hp mariner, will this fit and replace the push button cutoff?
A:
This is a universal switch. It will provide a normally open or normally closed circuit. It just depends on your application.


Q:
Is it a exact fit to 2000 omc side control?
A:
It will work as it is a universal design to work with conventional or magneto ignitions.


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