584641 CDI Voltage Rectifier Regulator for Johnson Evinrude | JLM Marine

CDI Voltage Rectifier Regulator – Fits Johnson Evinrude 185-300 HP 2-Stroke Outboards

This 35 AMP CDI Voltage Rectifier Regulator is engineered to fit Johnson Evinrude 2-stroke outboard motors from 185 HP to 300 HP, spanning model years 1991–2001. It ensures stable voltage regulation and protects your electrical system from power surges, making it an essential replacement component for 6-cylinder OMC engines.

This unit directly replaces OEM part numbers 584641, 585995, 586271, and 878333, offering reliable performance for both recreational and commercial outboard applications.

• 35 AMP output for robust electrical system protection
• Designed for 6-cylinder Johnson Evinrude 2-stroke engines
• Direct replacement for multiple OEM and aftermarket part numbers

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below. For Johnson/Evinrude owners, here's a guide to help you identify your engine's serial/model: Johnson Serial Number Guide.

Technical Specifications

Package Contents

Your purchase includes:

• 1 × CDI Voltage Rectifier Regulator

(The package contains all the parts shown in the product images.)

Installation Guide

1. Disconnect the battery by removing the negative terminal to prevent electrical shock or short circuits.
2. Locate the old rectifier regulator on your outboard engine, typically mounted near the powerhead or electrical panel.
3. Disconnect all wiring harness connectors from the old regulator. Take a photo or label wires if needed for reference.
4. Remove the mounting bolts securing the old regulator to the engine block or mounting bracket.
5. Clean the mounting surface to ensure proper grounding and heat dissipation for the new unit.
6. Position the new rectifier regulator in place and secure it with the original mounting bolts. Torque to manufacturer specifications.
7. Reconnect all wiring harness connectors to the new regulator, ensuring each plug is firmly seated and matches your reference photo.
8. Apply dielectric grease to all electrical connectors to protect against moisture and corrosion.
9. Reconnect the battery by attaching the negative terminal.
10. Start the engine and verify proper charging voltage with a multimeter (typically 13.5–14.5 VDC at operating RPM).
11. Inspect all connections for heat buildup or unusual vibration after initial operation.
12. Test under load by running electrical accessories to confirm stable voltage regulation.

Troubleshooting & FAQ

Q: How do I know if my voltage rectifier regulator is failing?
A: Common symptoms include dimming lights, erratic electrical behavior, dead batteries after use, or voltage readings above 15V or below 13V at running RPM. Use a multimeter to test charging voltage at the battery terminals.

Q: Will this fit my Johnson Evinrude 6-cylinder outboard if the part number is different?
A: Cross-reference your original part number with our compatibility table. This regulator replaces multiple OEM numbers (584641, 585995, 586271, 878333) and fits all listed HP/year combinations.

Q: How often should I replace the voltage rectifier regulator?
A: There is no fixed replacement interval; replace only when failure symptoms appear or testing reveals out-of-spec voltage. Regular inspection during annual maintenance is recommended.

Q: Can I install this myself or do I need a marine technician?
A: Installation is straightforward if you have basic mechanical skills and tools. However, professional installation is recommended to ensure proper electrical connections and grounding.

Q: What's the difference between OEM and aftermarket regulators?
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.