Power Pack (CDI Module) – Fits Johnson/Evinrude 65-300 HP (Replaces 582285, 584783, 18-5763)
Power Pack (CDI Module) – Fits Johnson/Evinrude 65-300 HP (Replaces 582285, 584783, 18-5763) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
U.S. orders usually arrive within 6–15 days, depending on stock location and destination.
International delivery times may vary due to customs processing.
Tracking information will be provided once your order ships.
Power Pack (CDI Module) – Fits Johnson/Evinrude 65-300 HP (Replaces 582285, 584783, 18-5763) is backordered and will ship as soon as it is back in stock.
Product Details
This aftermarket Power Pack (CDI Module) is engineered to restore ignition performance on a range of Johnson/Evinrude V4 and V6 outboard engines from the 1990s to the early 2000s, typically found on 65-300 HP 2-stroke models.
It serves as a direct replacement, providing an interchange for OEM part numbers 582285, 584783, 396141, and others, ensuring a reliable fit and function for your ignition system.
- Designed for simple plug & play installation with direct-fit connectors.
- Restores spark and timing functions to factory specifications.
- Engineered for marine environments.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| OEM (Johnson/Evinrude) | 582285 |
| OEM (Johnson/Evinrude) | 584783 |
| OEM (Johnson/Evinrude) | 396141 |
| OEM (Johnson/Evinrude) | 582281 |
| OEM (Johnson/Evinrude) | 582502 |
| OEM (Johnson/Evinrude) | 582787 |
| Sierra | 18-5763 |
| Sierra | 18-5765 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This power pack fits a wide variety of V4 and V6 Johnson and Evinrude 2-stroke outboards. Verify that your engine's OEM part number is listed as a valid replacement.
| Brand | Model | Rated HP | Stroke | OEM Part No. |
|---|---|---|---|---|
| Johnson/Evinrude | Various V4 | 65-140 | 2-Stroke | 582285, 584783 |
| Johnson/Evinrude | Various V6 | 150-300 | 2-Stroke | 582285, 584783 |
Technical Specs
- Product Type
- Power Pack (CDI Module)
- Installation
- Direct plug & play
- Connection
- Direct plug connectors
- Other Technical Attributes
- Ignition module for Johnson/Evinrude outboard engines
What’s in the Box
- 1 x Power Pack/CDI Module (Replaces 582285/584783)
Installation Notes
- Disconnect the battery terminals to prevent electrical shorts.
- Locate the existing power pack on the engine block. Note the routing of all wires.
- Carefully unplug all connectors from the old power pack.
- Unbolt and remove the old unit from the engine.
- Mount the new power pack in the same location, ensuring it is securely fastened.
- Firmly connect the plugs to the new module, matching them to their original positions.
- Reconnect the battery terminals.
- Start the engine and test for proper operation. Check for consistent spark and smooth idling.
Troubleshooting & FAQ
How do I know if my power pack has failed?
Common symptoms include no spark on one or more cylinders, intermittent or weak spark, engine misfiring (especially at high RPM), backfiring, or a complete failure to start. A diagnostic test using a DVA meter can confirm if the power pack's output is within the specified range.
What is the difference between a power pack and a CDI module?
The terms are often used interchangeably. "Power Pack" is a common name for the Capacitor Discharge Ignition (CDI) module used in Johnson and Evinrude outboards. This component is the central part of the ignition system, controlling spark timing.
Is any special timing or adjustment needed after installation?
This is a direct plug-and-play part designed to match OEM ignition curves. In most cases, no timing adjustments are necessary. However, it is always a good practice to verify ignition timing with a timing light after installation to ensure optimal engine performance.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost?
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns?
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
Payment & Security
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