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Suzuki 2-Stroke Outboard Ignition Key Switch, 8–225 HP – Replaces 37110-99E00, 37110-92E01

Regular price $26.40

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Delivery and Shipping

Orders are typically processed within 1–2 business days.


U.S. orders usually arrive within 6–15 days, depending on stock location and destination.


International delivery times may vary due to customs processing.


Tracking information will be provided once your order ships.

If you have any questions, feel free to email us at info@seasierra.com, and we’ll get back to you within 20–36 hours.

Product Details

This aftermarket ignition key switch is designed for Suzuki 2-stroke outboard engines rated from 8 HP through 225 HP. It is intended for replacement of a worn or failed ignition switch in a compatible remote control box or control console.

The switch provides key-controlled engine operation through the standard ignition sequence. Before ordering, compare the connector, terminal arrangement, mounting style, and physical dimensions of your original switch with the product images and the switch being replaced.

  • Designed for Suzuki 2-stroke outboard applications from 8 HP to 225 HP.
  • Replacement ignition switch for a compatible remote control box or console.
  • Aftermarket replacement component, not a genuine Suzuki-manufactured part.
  • Listed aftermarket reference: Sierra MP51010.

OEM and Aftermarket Reference Numbers

The following references are listed for identification and cross-reference purposes. Number matching alone does not guarantee fitment; confirm the connector and switch configuration before purchase.

Brand or Source Reference Number
Suzuki 37110-99E00
Suzuki 37110-99E01
Suzuki 37100-99E02
Suzuki 37110-92E00
Suzuki 37110-92E01
Suzuki 37110-92E02
Suzuki 37110-94610
Suzuki 37110-94611
Sierra MP51010

Engine Compatibility

This switch is listed for Suzuki 2-stroke outboard engines rated from 8 HP to 225 HP. The available company fitment information does not establish a universal fit for every model year, serial-number range, control box, or connector configuration within that horsepower range.

Fitment should be confirmed by matching your engine's model information and your original ignition switch. Do not rely on horsepower alone when the connector, terminal layout, mounting dimensions, or switch functions differ.

Brand Engine Type Horsepower Range Fitment Note
Suzuki Outboard 2-Stroke 8–225 HP Verify the original switch, connector, terminals, and control-box configuration before ordering.

Technical Specifications

Product Type
Aftermarket ignition key switch
Application
Suzuki 2-stroke outboard engines
Rated Engine Range
8–225 HP
Installation Location
Compatible remote control box or control console
Reference Aftermarket Number
Sierra MP51010
OEM Reference Numbers
37110-99E00, 37110-99E01, 37100-99E02, 37110-92E00, 37110-92E01, 37110-92E02, 37110-94610, and 37110-94611
Part Type
Single ignition switch; not sold as a kit

What's in the Box

  • 1 × aftermarket ignition key switch

Keys, hardware, wiring harnesses, and control boxes are not listed as included components. Confirm the contents shown in the product images before purchase.

Installation Notes

  1. Disconnect the battery and follow the engine manufacturer's safety procedures before beginning work.
  2. Access the rear of the remote control box or console where the ignition switch is installed.
  3. Document the original terminal positions or wiring arrangement before disconnecting the old switch.
  4. Disconnect the wiring from the old switch and remove its retaining nut, clip, or fastener.
  5. Install the replacement switch in the original mounting location.
  6. Reconnect the wiring only after confirming that the terminal arrangement matches the original switch.
  7. Reconnect the battery and test the ignition, engine-stop, starting, and any applicable choke functions in a safe environment.

If the connector or terminal layout does not match your original switch, do not force the connection or alter the wiring without a qualified marine technician.

Troubleshooting & FAQ

Is this switch for 2-stroke or 4-stroke Suzuki outboards?

This product is listed for Suzuki 2-stroke outboard engines from 8 HP to 225 HP. It should not be selected for a 4-stroke engine unless the connector, terminal arrangement, mounting dimensions, and switch functions have been independently confirmed.

Will it fit every Suzuki engine from 8 HP to 225 HP?

No universal fitment should be assumed. The horsepower range is a general application range. Always compare the original switch and control-box configuration, including the connector, terminals, mounting style, and physical dimensions.

Does this listing include a complete control box?

No. This listing is for one ignition key switch only. A remote control box, wiring harness, mounting hardware, and other control components are not included.

Is this a genuine Suzuki OEM switch?

No. This is an aftermarket replacement component. Suzuki reference numbers are provided only to help identify the application and compare the original part.

What should I check before ordering?

Check your engine's 2-stroke configuration, horsepower, model and serial information, the original switch's connector and terminal layout, the mounting dimensions, and the functions required by your control box. Compare these details with the product images before purchase.

What are common symptoms of a failing ignition switch?

Possible symptoms include intermittent starting, no starter response, loss of ignition power, an engine that does not stop normally, or a key that feels loose or difficult to turn. These symptoms can also be caused by wiring, battery, starter, safety-lanyard, or control-box faults.

Safety and Important Information

  • Disconnect the battery before removing or reconnecting ignition-switch wiring.
  • Verify the switch configuration against your original part before purchase and installation.
  • Do not force a connector or change terminal wiring based only on a part-number match.
  • This is an aftermarket replacement component, not an OEM Suzuki part.
  • Professional marine installation is recommended when the wiring or terminal arrangement is uncertain.

About Sea Sierra

  • Marine Replacement Parts — We provide aftermarket components for common marine repair and maintenance applications.
  • Fitment-Focused Listings — Product references and application information are provided to help customers compare replacement parts with the original component.
  • Pre-Installation Verification — Confirm the model, configuration, connector, and dimensions before installation to help avoid ordering the wrong replacement.

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