CDI Unit Assembly – Fits Suzuki 2-Stroke 9.9–15 HP DT9.9, DT15 (1986–2012)
This CDI Unit Assembly is engineered for Suzuki 2-stroke outboard engines rated at 9.9 HP and 15 HP, specifically the DT9.9 and DT15 series produced from 1986 to 2012. It serves as a direct replacement ignition control module, ensuring reliable spark delivery and stable engine performance across a wide range of operating conditions.
Direct Replacements: 32900-93910, 32900-93911
- Plug-and-play design with factory-compatible connectors for straightforward installation
- Low heat and low power consumption for extended service life
- Durable plastic housing built to withstand marine environments
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
| Suzuki |
32900-93910 |
| Suzuki |
32900-93911 |
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 |
DT15 |
15 HP |
2-Stroke |
1986–2012 |
| Suzuki |
DT9.9 |
9.9 HP |
2-Stroke |
1986–2012 |
Technical Specifications
| Specification |
Value |
| Material |
Plastic housing |
| Function |
Ignition timing control and spark energy delivery |
| Heat Output |
Low |
| Power Consumption |
Low |
| Connector Type |
Factory-compatible plug-and-play |
Package Contents
Installation Guide
- Disconnect the battery negative terminal and allow the engine to cool completely.
- Locate the existing CDI unit, typically mounted near the engine block or under the cowling.
- Disconnect all electrical connectors from the old CDI unit, noting their positions for reference.
- Remove the mounting screws or brackets securing the old CDI unit in place.
- Position the new CDI unit in the same location and secure it with the original mounting hardware.
- Reconnect all electrical connectors to the new CDI unit, ensuring each plug is firmly seated.
- Reconnect the battery negative terminal and perform a visual inspection for any loose connections.
- Start the engine and verify smooth operation across idle and higher RPM ranges.
Troubleshooting & FAQ
Q: How do I confirm this CDI unit fits my Suzuki outboard?
A: Check the compatibility table above to verify your engine model (DT9.9 or DT15) and year (1986–2012). Cross-reference the OEM part numbers 32900-93910 or 32900-93911 with your engine's service manual or parts diagram.
Q: What are the signs that my CDI unit is failing?
A: Common symptoms include difficulty starting, intermittent misfires, loss of power at high RPM, or the engine cutting out unexpectedly. If spark plugs and ignition coils test normal, the CDI unit is often the culprit.
Q: How often should I replace the CDI unit?
A: CDI units typically do not require routine replacement and should last many years under normal conditions. Replace only when you experience ignition-related failures or following a lightning strike or electrical surge.
Q: Can I install this myself, or do I need a mechanic?
A: Installation is straightforward if you are comfortable with basic electrical connections. However, professional installation is recommended to ensure correct fitment and avoid potential ignition system damage.
Q: Is this an OEM part or an aftermarket replacement?
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?
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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.