Starter Relay Assembly – Fits Honda BF135A4 BF150A4 Outboards
This high-quality starter relay assembly is engineered to replace worn or failed ignition components on Honda BF135 and BF150 outboard motors. Designed for the A4 series engines across LD, LU, LCD, LCU, XD, XU, XCD, and XCU configurations, this aftermarket relay ensures reliable starting performance and robust electrical operation.
This unit directly replaces Honda OEM part numbers 38580-ZY6-003 and 38580-ZY6-013, providing a cost-effective solution without compromising on quality or fitment.
- Plug-and-play installation with factory-style connectors
- Low heat and low power consumption design for dependable operation
- Durable plastic construction for long-lasting service life
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
| Honda |
38580-ZY6-003 |
| Honda |
38580-ZY6-013 |
Compatible Engine Models
Confirm your engine model/year in the table below.
| Brand |
Model |
OEM Part No. |
| Honda |
BF135A4 LD |
38580-ZY6-003, 38580-ZY6-013 |
| Honda |
BF135A4 LU |
38580-ZY6-003, 38580-ZY6-013 |
| Honda |
BF135A4 LCD |
38580-ZY6-003, 38580-ZY6-013 |
| Honda |
BF135A4 XD |
38580-ZY6-003, 38580-ZY6-013 |
| Honda |
BF135A4 XU |
38580-ZY6-003, 38580-ZY6-013 |
| Honda |
BF135A4 XCD |
38580-ZY6-003, 38580-ZY6-013 |
| Honda |
BF135A4 XCU |
38580-ZY6-003, 38580-ZY6-013 |
| Honda |
BF150A4 LD |
38580-ZY6-003, 38580-ZY6-013 |
| Honda |
BF150A4 LU |
38580-ZY6-003, 38580-ZY6-013 |
| Honda |
BF150A4 LCD |
38580-ZY6-003, 38580-ZY6-013 |
| Honda |
BF150A4 LCU |
38580-ZY6-003, 38580-ZY6-013 |
| Honda |
BF150A4 XD |
38580-ZY6-003, 38580-ZY6-013 |
| Honda |
BF150A4 XU |
38580-ZY6-003, 38580-ZY6-013 |
| Honda |
BF150A4 XCD |
38580-ZY6-003, 38580-ZY6-013 |
| Honda |
BF150A4 XCU |
38580-ZY6-003, 38580-ZY6-013 |
Technical Specifications
| Specification |
Value |
| Material |
Plastic housing for maximum strength and durability |
| Design Features |
Low heat, low power consumption; plug-and-play connectors |
| Application |
Ignition Ignite System Unit / CDI |
Package Contents
Each kit includes:
- 1 x CDI Igniter (Starter Relay Assembly)
- The package contains all the parts shown in the product images.
Installation Guide
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Disconnect the battery: Always disconnect the negative terminal before working on electrical components to prevent short circuits or injury.
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Locate the old starter relay: Refer to your engine's service manual or wiring diagram to identify the relay's position on the engine.
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Remove electrical connectors: Gently unplug all wiring harness connectors from the old relay. Note their positions or take a photo for reference.
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Unbolt the old relay: Remove any mounting screws or brackets securing the relay to the engine block or mounting surface.
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Install the new relay: Position the new starter relay assembly in the same location and secure it with the original mounting hardware.
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Reconnect electrical connectors: Attach all wiring harness connectors to the new relay, ensuring each plug is fully seated and matches your reference.
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Reconnect the battery: Attach the negative terminal and ensure all connections are tight and corrosion-free.
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Test the system: Turn the ignition key to the start position and verify that the starter engages and the engine cranks properly.
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Inspect for issues: Listen for unusual clicking sounds or check for any loose connections; re-seat connectors if necessary.
Troubleshooting & FAQ
Q: How do I confirm this starter relay fits my Honda outboard?
A: Cross-reference your engine model with the compatibility table above. Verify that your engine's original part number matches 38580-ZY6-003 or 38580-ZY6-013 to ensure proper fitment.
Q: What are the signs that my starter relay is failing?
A: Common symptoms include a clicking sound when turning the key with no engine crank, intermittent starting issues, or complete failure to engage the starter motor. If the relay feels hot to the touch or shows visible burn marks, replacement is necessary.
Q: Can I install this relay myself or do I need a professional?
A: Installation is straightforward for those with basic mechanical skills—simply disconnect the battery, unplug the old relay, and connect the new one. However, professional installation is recommended if you are unfamiliar with marine electrical systems to ensure safety and proper function.
Q: How often should I replace the starter relay?
A: Starter relays typically last many years under normal conditions. Replace the relay if you experience starting problems, electrical faults, or visible damage. Regular inspection during annual service is recommended.
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.