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