Ignition Key Switch – Fits Suzuki 2 & 4-Stroke 8-225 HP Outboard Motors (Replaces Suzuki 37110-99E02, Sierra MP51010)

Product Details

This replacement Ignition Key Switch – Fits Suzuki 2 & 4-Stroke 8-225 HP Outboard Motors is engineered for a wide range of Suzuki outboard engines. It provides reliable starting and security for 2-Stroke models from 8 HP to 225 HP (1983–2003) and 4-Stroke models from 9.9 HP to 140 HP (1996–2011).

It directly replaces Suzuki OEM part numbers 37110-99E02, 37110-99E01, 37110-99E00, 37110-92E02, 37110-92E01, and 37110-92E00, as well as Sierra aftermarket parts MP51010 and MP51012.

• Designed for remote control box installation.
• Features push-to-choke functionality for easy cold starts.
• Built with a sealed, waterproof construction to withstand harsh marine environments.

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket.

Engine & Model Compatibility

Confirm your engine model/year in the table below.

This part is designed specifically for the Suzuki outboard engines listed.

Technical Specs

Product Type

Ignition Key Switch Assembly

Installation

Remote Control Box

Connection

Push-in terminal connection

Housing Material

High-strength plastic and metal

Dimensions

90 × 30 × 30 mm (3.54 × 1.18 × 1.18 inches)

Operating Positions

3-position: Off-Run-Start

Current Rating

24 Amps

Operating Voltage

12 Volts

Connector Type

Plug In

Terminal

Blade

Contact Material

Copper

Special Features

Push-to-choke functionality, Sealed waterproof construction

What’s in the Box

• 1 x Ignition Key Switch Assembly (37110-92E01/37110-99E01)
• 2 x Ignition Keys

Installation Notes

1. Disconnect the battery terminals to prevent electrical shorts.
2. Access the rear of your remote control box assembly.
3. Carefully unplug the wire harness connector from the old ignition switch.
4. Unscrew the retaining nut on the exterior of the control box to remove the old switch.
5. Insert the new ignition switch into the mounting hole and secure it with the retaining nut.
6. Plug the wire harness connector firmly into the new switch.
7. Reconnect the battery terminals.
8. Test all switch positions (Off, Run, Start, and push-to-choke) before starting the engine.

Troubleshooting & FAQ

Safety & Important Info

• Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
• This is an aftermarket replacement, not an OEM component.
• Professional installation is recommended for safety and performance.

About Sea Sierra

• Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
• Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
• Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.