# 33920-92J54 Suzuki 140HP ECU 5033924 Johnson ECU | Genuine Used Part

🔧 Product Description

  

Genuine Suzuki / Johnson 140HP Engine Control Unit - Part Numbers: 33920-92J54 and 5033924

  

A genuine Suzuki-built engine control unit used on selected Suzuki DF140 and Johnson 140HP four-stroke outboard applications. This ECU manages fuel injection, ignition timing, sensor input, diagnostics and engine-protection functions on compatible 140HP EFI four-stroke engines.

  

⚙️ Key Features

  

• Genuine Suzuki / Johnson engine control unit

• Suzuki part number 33920-92J54

• Johnson / BRP reference 5033924

• Used on Suzuki DF140 and Suzuki-built Johnson 140HP four-stroke applications

• Exact engine model, serial number and ECU label must be confirmed before installation

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 33920-92J54 → Supersedes 33920-92J52 in listed DF140 applications

• 33920-92J52 earlier DF140 ECU reference

  

OEM / Related Numbers:

  

• 33920-92J54

• 33920-92J54-000

• 33920-92J54-0000

• 3392092J54

• 33920-92J52

• 5033924

• 5034605 related / later Johnson ECU reference

• Related ECU cushion reference: 33925-87J00

• Related wiring harness assembly reference used in Johnson / Suzuki ECU service sets

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Suzuki DF140 four-stroke EFI outboard engine-control systems

• Johnson 140HP four-stroke Suzuki-built outboard engine-control systems

  

Typically suits:

  

• Engine models:

• Suzuki DF140 2003 140HP EFI applications using 33920-92J54

• Suzuki DF140TL applications using 33920-92J54

• Suzuki DF140TX applications using 33920-92J54

• Suzuki DF140WT / DF140WZ MODEL:05~07 applications where 33920-92J52 supersedes to 33920-92J54

• Suzuki DF140WT / DF140WZ MODEL:08~ applications using 33920-92J54

• Johnson 140HP four-stroke outboard applications using ECU 5033924

• Johnson / Evinrude 140HP Suzuki-built four-stroke applications using related ECU reference 5034605

  

• HP Range: 140HP

• Engine Type: Suzuki-built 2.0L class inline four-cylinder EFI four-stroke outboard

• Year Range: approximately 2003 - 2011 depending on exact Suzuki or Johnson model code

• Fitment Note: Johnson 5033924 / 5034605 applications must be matched by BRP model number and the Suzuki ECU label before installation.

  

🔌 Function

  

The ECU controls electronic fuel injection, ignition timing, idle control, sensor monitoring, warning functions, diagnostic output and engine-protection strategy.

  

Common signs of failure:

  

• No-start with verified fuel, ignition inputs and ECU power supply

• No injector pulse or intermittent injector command

• No diagnostic communication

• Engine cutting out or entering limp mode

• Persistent ECU, sensor or ignition fault codes after harness testing

• Rough running, rich condition or lean condition after mechanical checks

• Corrosion, heat damage or water ingress at ECU connector or case

  

📦 Condition

  

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated

## Details

- **Price:** 600.0 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 | 600.00 AUD | In stock |

## Images

- 33920-92J54 Suzuki 140HP ECU 5033924 Johnson ECU | Genuine Used Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/33920-92j54-suzuki-140hp-ecu-5033924-johnson-ecu-genuine-used-part)
> Updated: 2026-06-29