581407 502880 Ignition Coil for Johnson Evinrude 9.9HP 15HP 40HP | JLM Marine

Ignition Coil for Johnson Evinrude 9.9HP 15HP 40HP – OEM 581407 502880

This aftermarket ignition coil is engineered to fit Johnson/Evinrude outboard motors ranging from 9.9 HP to 40 HP manufactured between 1974 and 1976. Designed as a direct replacement, it ensures reliable spark delivery and meets or exceeds OEM specifications for dependable engine performance.

This coil directly replaces Johnson/Evinrude part numbers 581407, 502880, 0502880, 0581407, and aftermarket equivalent 18-5196. It provides seamless compatibility with original mounting points and electrical connections.

• Direct bolt-on replacement for OEM ignition coils
• Meets or exceeds original equipment specifications
• Package includes all components shown in product images

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

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

• 1 × Ignition Coil (color may vary)

Installation Guide

1. Disconnect the battery: Remove the negative terminal to prevent electrical shock or short circuits.
2. Locate the ignition coil: Identify the old coil mounted on your outboard motor.
3. Disconnect electrical connections: Carefully unplug all wire connectors from the old coil. Note their positions for reassembly.
4. Remove mounting hardware: Unscrew the bolts or screws securing the old ignition coil to the engine block.
5. Remove the old coil: Gently pull the ignition coil away from the mounting surface.
6. Position the new coil: Align the new ignition coil with the original mounting holes.
7. Secure the new coil: Install and tighten the mounting bolts or screws to manufacturer torque specifications.
8. Reconnect electrical connections: Attach all wire connectors to the new coil, matching the original configuration.
9. Reconnect the battery: Reattach the negative battery terminal.
10. Test the ignition: Start the engine and verify that it runs smoothly with proper spark delivery.
11. Inspect for leaks or loose connections: Ensure all wires are secure and there are no abnormal sounds.

Troubleshooting & FAQ

Q: How do I confirm this ignition coil will fit my engine?
A: Check the Compatible Engine Models table above for your engine's horsepower and year range (9.9 HP, 15 HP 1974-1976; 40 HP 1974). Additionally, verify that your current coil matches one of the listed OEM part numbers: 581407, 502880, 0502880, 0581407, or aftermarket 18-5196.

Q: What are the signs that my ignition coil needs replacement?
A: Common symptoms include difficulty starting the engine, misfiring, rough idling, loss of power, or complete loss of spark. If your engine cranks but won't start, testing the coil's output with a spark tester can help diagnose the issue.

Q: How often should I replace the ignition coil?
A: Ignition coils typically last many years under normal conditions, but exposure to moisture, vibration, and heat can accelerate wear. Replace the coil if you experience ignition problems or during routine maintenance if the coil shows signs of corrosion, cracks, or electrical failure.

Q: Will the color of the coil affect performance?
A: No, the color of the ignition coil casing is cosmetic and does not impact electrical performance or fitment. This replacement may arrive in a different color than your original OEM coil.

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?

• 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.