Ignition Switch for Suzuki DF15 DF25 DF30 DF40 DF50 DF60 DF70 DF80 DF90 DF115 DF140 DF150 DF175 DF200 DF225 DF250
This Ignition Key Switch Assembly is designed for Suzuki 4-stroke outboard engines from 1998 to 2011, covering a wide range of models from 15 HP to 250 HP. Whether you're maintaining a smaller DF15 or a high-performance DF250, this switch ensures reliable engine starting and operation.
This assembly serves as a direct replacement for OEM part numbers 37110-93J00 and 37110-93J01, providing a cost-effective solution for your ignition system needs.
- Complete switch assembly with two keys included
- Compatible with Suzuki 4-stroke outboard engines
- Covers models from 15 HP to 250 HP (1998-2011)
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
| Suzuki |
37110-93J00 |
| Suzuki |
37110-93J01 |
Compatible Engine Models
Confirm your engine model/year in the table below. For Suzuki owners, you can review exploded diagrams here to verify part numbers: Suzuki Parts Diagrams & Catalog.
| Brand |
Model |
Rated HP |
Stroke |
Years |
| Suzuki |
DF15 |
15 |
4-Stroke |
1998-2011 |
| Suzuki |
DF25 |
25 |
4-Stroke |
1998-2011 |
| Suzuki |
DF30 |
30 |
4-Stroke |
1998-2011 |
| Suzuki |
DF40 |
40 |
4-Stroke |
1998-2011 |
| Suzuki |
DF50 |
50 |
4-Stroke |
1998-2011 |
| Suzuki |
DF60 |
60 |
4-Stroke |
1998-2011 |
| Suzuki |
DF70 |
70 |
4-Stroke |
1998-2011 |
| Suzuki |
DF80 |
80 |
4-Stroke |
1998-2011 |
| Suzuki |
DF90 |
90 |
4-Stroke |
1998-2011 |
| Suzuki |
DF115 |
115 |
4-Stroke |
1998-2011 |
| Suzuki |
DF140 |
140 |
4-Stroke |
1998-2011 |
| Suzuki |
DF150 |
150 |
4-Stroke |
1998-2011 |
| Suzuki |
DF175 |
175 |
4-Stroke |
1998-2011 |
| Suzuki |
DF200 |
200 |
4-Stroke |
1998-2011 |
| Suzuki |
DF225 |
225 |
4-Stroke |
1998-2011 |
| Suzuki |
DF250 |
250 |
4-Stroke |
1998-2011 |
Technical Specifications
| Specification |
Value |
| OEM Part Number |
37110-93J00 |
| Replaces Part Number |
37110-93J00, 37110-93J01 |
| Fitment |
Suzuki 4-Stroke Outboards (1998-2011) |
| Type |
Ignition Key Switch Assembly |
Package Contents
Your package includes the following items:
- 1x Ignition Key Switch Assembly
- 2x Keys
Installation Guide
-
Disconnect the battery by removing the negative cable to prevent electrical shock or short circuits.
- Locate the existing ignition switch on your Suzuki outboard control panel or dash.
- Remove the screws or fasteners securing the old ignition switch assembly. Carefully pull the assembly free from the mounting location.
- Disconnect the wiring harness from the back of the old switch. Note the wire positions or take a photo for reference.
- Compare the new switch assembly with the old unit to confirm correct fitment and connector type.
- Connect the wiring harness to the new ignition switch assembly, ensuring all terminals are properly seated.
- Insert the new switch into the mounting location and secure it with the original screws or fasteners.
- Reconnect the battery negative cable.
- Test the ignition switch by turning the key through all positions (Off, On, Start). Verify that the engine cranks and starts properly.
- Ensure the key can be removed only in the "Off" position and that all electrical functions operate correctly.
Troubleshooting & FAQ
Q: How do I confirm this ignition switch fits my Suzuki outboard?
A: Check the compatibility table above to verify your engine model and year range (1998-2011 for DF15 through DF250). You can also cross-reference your current part number with 37110-93J00 or 37110-93J01.
Q: The key won't turn or is difficult to turn—what should I check?
A: Ensure the switch is fully seated and properly aligned in the mounting hole. Check that no wiring or debris is obstructing the back of the switch, and verify the key is fully inserted.
Q: My engine won't crank when I turn the key to "Start"—what could be wrong?
A: Verify all wiring connections are secure and correctly attached. Test battery voltage (should be 12V or higher), and inspect the starter solenoid and safety lanyard switch, as these can also prevent cranking.
Q: How often should I replace the ignition switch?
A: Ignition switches typically last many years, but replacement is needed when you experience key-turning difficulty, intermittent electrical issues, or failure to crank. Regular inspection during annual maintenance is recommended.
Q: What's the difference between this aftermarket switch and the OEM version?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
Important Notes
- Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
- This product is an aftermarket replacement part and is not an OEM component.
- Professional installation is recommended to ensure safety and optimal performance.
Why Choose JLM MARINE?
-
Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
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Fast Global Shipping: Free delivery worldwide in 5–15 days.
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Direct from Manufacturer: Competitive pricing without compromising quality.