Ignition CDI Unit 38550-ZV5-822 – Fits Honda BF35AM, BF40A2, BF40A4, BF40B2, BF45AM, BF50A2, BF50A4
This Ignition CDI Unit is engineered to replace the original ignition module on Honda outboard motors ranging from 35 HP to 50 HP. It ensures reliable spark delivery and stable engine performance across multiple BF-series models, making it an essential replacement for worn or failed CDI units.
Direct Replacement for: Honda OEM part numbers 38550-ZV5-822 and 38550-ZV5-823.
- Plug-and-play design with pre-fitted connectors for easy installation
- Durable plastic housing for maximum strength and long-term reliability
- Low heat generation and power consumption for efficient operation
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
| Honda |
38550-ZV5-822 |
| Honda |
38550-ZV5-823 |
Compatible Engine Models
Confirm your engine model/year in the table below.
| Brand |
Model |
Rated HP |
Series Code |
| Honda |
BF35AM |
35 |
LRTB |
| Honda |
BF35AM |
35 |
LRTC |
| Honda |
BF35AM |
35 |
LRTD |
| Honda |
BF40B2 |
40 |
LRTG |
| Honda |
BF40A2 |
40 |
LRTC |
| Honda |
BF40A2 |
40 |
LRTD |
| Honda |
BF40A2 |
40 |
LHTC |
| Honda |
BF40A2 |
40 |
LHTD |
| Honda |
BF40A4 |
40 |
LRTD |
| Honda |
BF40A4 |
40 |
LRTE |
| Honda |
BF40A4 |
40 |
LRTG |
| Honda |
BF40A4 |
40 |
LRTU |
| Honda |
BF40A4 |
40 |
LRTW |
| Honda |
BF40A4 |
40 |
LHTD |
| Honda |
BF40A4 |
40 |
LHTW |
| Honda |
BF40A4 |
40 |
LBTD |
| Honda |
BF40A4 |
40 |
LBTE |
| Honda |
BF40A4 |
40 |
LRTK |
| Honda |
BF40A4 |
40 |
SRTD |
| Honda |
BF40A4 |
40 |
SRTE |
| Honda |
BF40A4 |
40 |
SRTW |
| Honda |
BF40A4 |
40 |
SRTU |
| Honda |
BF40A2 |
40 |
XRTD |
| Honda |
BF40A2 |
40 |
XRTC |
| Honda |
BF45AM |
45 |
LRTB |
| Honda |
BF45AM |
45 |
LRTC |
| Honda |
BF45AM |
45 |
LRTD |
| Honda |
BF45AM |
45 |
LRTF |
| Honda |
BF50A2 |
50 |
LRTB |
| Honda |
BF50A2 |
50 |
LRTC |
| Honda |
BF50A2 |
50 |
LRTD |
| Honda |
BF50A2 |
50 |
LRTE |
| Honda |
BF50A2 |
50 |
LRTF |
| Honda |
BF50A4 |
50 |
LRTD |
| Honda |
BF50A4 |
50 |
LRTE |
| Honda |
BF50A4 |
50 |
LRTF |
| Honda |
BF50A4 |
50 |
LRTU |
| Honda |
BF50A4 |
50 |
LRTW |
| Honda |
BF50A4 |
50 |
LRFW |
| Honda |
BF50A4 |
50 |
LHTD |
| Honda |
BF50A4 |
50 |
LBTD |
| Honda |
BF50A4 |
50 |
LBTE |
| Honda |
BF50A2 |
50 |
LHTC |
| Honda |
BF50A2 |
50 |
LHTD |
| Honda |
BF50A4 |
50 |
LHTW |
| Honda |
BF50A2 |
50 |
XRTC |
| Honda |
BF50A2 |
50 |
XRTD |
| Honda |
BF50A4 |
50 |
XRTD |
| Honda |
BF50A4 |
50 |
XRTE |
| Honda |
BF50A4 |
50 |
XRTU |
| Honda |
BF50A4 |
50 |
XRTW |
| Honda |
BF50A2 |
50 |
SRTP |
| Honda |
BF50A2 |
50 |
SRTD |
| Honda |
BF50A4 |
50 |
SRTD |
| Honda |
BF50A4 |
50 |
SRTE |
| Honda |
BF50A4 |
50 |
SRTU |
| Honda |
BF50A4 |
50 |
SRTW |
| Honda |
BF50A4 |
50 |
YRTD |
| Honda |
BF50A4 |
50 |
YHTD |
Technical Specifications
| Specification |
Value |
| OEM Part Number |
38550-ZV5-822 |
| Alternate OEM Number |
38550-ZV5-823 |
| Material |
Plastic housing |
| Features |
Plug-and-play, low heat, low power consumption |
Package Contents
Each order includes:
Note: The package contains all parts shown in the product images.
Installation Guide
-
Disconnect the battery negative terminal to prevent electrical shock or short circuits.
- Locate the existing CDI unit on your Honda outboard motor, typically found near the engine block or under the cowling.
- Carefully disconnect all electrical connectors from the old CDI unit. Note connector positions for reference.
- Remove any mounting screws or brackets securing the old CDI unit and set the unit aside.
- Position the new CDI unit in the same mounting location as the original.
- Secure the new unit with the original mounting hardware (screws or brackets).
- Reconnect all electrical connectors to the new CDI unit, ensuring each plug is firmly seated and matches the original configuration.
- Double-check that all connections are secure and that no wires are pinched or damaged.
- Reconnect the battery negative terminal.
- Start the engine and verify that it runs smoothly with consistent ignition timing.
- If the engine does not start or runs irregularly, recheck all electrical connections and ensure connectors are properly seated.
Troubleshooting & FAQ
Q: How do I confirm this CDI unit fits my Honda outboard?
A: Cross-reference your engine model and series code (e.g., BF50A4 LRTD) with the compatibility table above. You can also verify your original CDI part number matches 38550-ZV5-822 or 38550-ZV5-823.
Q: What are the signs of a failing CDI unit?
A: Common symptoms include difficulty starting, intermittent misfires, rough idling, loss of power at higher RPMs, or complete ignition failure. If spark plugs and coils are in good condition but ignition problems persist, the CDI unit is often the cause.
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 the unit only when you experience ignition-related failures or when diagnostics confirm CDI malfunction.
Q: Can I install this myself or do I need a professional?
A: Installation is straightforward with basic mechanical skills and tools. However, if you are unfamiliar with marine electrical systems or ignition components, professional installation is recommended to ensure safety and proper function.
Q: OEM vs. Aftermarket?
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.
-
Fast Global Shipping: Free delivery worldwide in 5–15 days.
-
Direct from Manufacturer: Competitive pricing without compromising quality.