# 0582125 OMC Powerpack | Genuine Used Part

🔧 Product Description

  

Genuine OMC Johnson / Evinrude CD4 Power Pack - Part Number: 0582125

  

A genuine OMC Johnson / Evinrude CD4 ignition power pack used on selected 4-cylinder crossflow two-stroke outboards. This no-RPM-limit power pack is used in twin power-pack ignition layouts, with two packs required per engine.

  

⚙️ Key Features

  

• Genuine OMC / Johnson / Evinrude power pack

• Correct OEM part number 0582125

• CD4 4-cylinder crossflow ignition module

• No RPM limit power pack

• Cross-references with CDI Electronics 113-2125 and Sierra 18-5759 style replacements

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 0582125 later OMC / BRP CD4 power pack reference

• 0582454 related OMC / BRP CD4 power pack reference

• 0581805 earlier related OMC / BRP CD4 power pack reference

• 0582684 related OMC / BRP CD4 power pack reference

• 0777627 related OMC / BRP replacement reference

  

OEM / Related Numbers:

  

• 0582125

• 582125

• 0582454

• 582454

• 0581805

• 581805

• 0582684

• 582684

• 0777627

• 777627

• Power pack CD4

• 4-cylinder power pack

  

Aftermarket / Verified Equivalents:

  

• CDI Electronics: 113-2125

• Sierra: 18-5759

• Sierra: 18-5759-1

  

🚤 Compatibility

  

Commonly used on:

  

• Johnson / Evinrude 4-cylinder crossflow CD4 ignition systems

  

Typically suits:

  

• Engine models:

• Johnson 85HP 4-cylinder crossflow - 1978-1984

• Evinrude 85HP 4-cylinder crossflow - 1978-1984

• Johnson 90HP 4-cylinder crossflow - 1981-1984

• Evinrude 90HP 4-cylinder crossflow - 1981-1984

• Johnson 100HP 4-cylinder crossflow - 1978-1984

• Evinrude 100HP 4-cylinder crossflow - 1978-1984

• Johnson 115HP 4-cylinder crossflow - 1978-1985

• Evinrude 115HP 4-cylinder crossflow - 1978-1985

• Johnson 120HP 4-cylinder crossflow - 1984-1987

• Evinrude 120HP 4-cylinder crossflow - 1984-1987

• Johnson 140HP 4-cylinder crossflow - 1978-1985, 1987

• Evinrude 140HP 4-cylinder crossflow - 1978-1985, 1987

  

• HP Range: 85HP - 140HP

• Engine Type: Johnson / Evinrude 4-cylinder crossflow two-stroke ignition system

• Year Range: approximately 1978 - 1987 depending on horsepower

• Model Note: Two power packs are required per engine. Match by exact Johnson / Evinrude model number, original power-pack number and wiring layout.

  

🔌 Function

  

The power pack receives charge and timing signals, then triggers the ignition coils so the engine fires at the correct timing point.

  

Common signs of failure:

  

• No spark on one bank or selected cylinders

• Intermittent spark loss when warm

• Misfire under load

• No-start after stator and timer-base checks

• Spark fault follows the power pack during substitution

• Timing or ignition drop-out fault

• Heat or moisture damage to power-pack wiring

  

📦 Condition

  

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated

## Details

- **Price:** 55.0 AUD
- **Vendor:** Sawley's Auto and Marine
- **Tags:** Sawley’s AAM Used Parts – Electronic Components | ECU CDI & Electrical Parts

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 55.00 AUD | In stock |

## Images

- 0582125 OMC Powerpack | Genuine Used Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/0582125-omc-powerpack-genuine-used-part)
> Updated: 2026-07-18