# 33920-87JE1 Suzuki ECU 40HP 50 HP | Genuine Used Part

🔧 Product Description

  

Genuine Suzuki DF40 / DF50 ECU / Engine Control Unit - Part Number: 33920-87JE1

  

A genuine Suzuki engine control module for DF40 and DF50 four-stroke EFI outboards. This control unit manages fuel injection, ignition timing, idle control, diagnostic output and engine-protection functions for compatible 40HP and 50HP Suzuki applications.

  

⚙️ Key Features

  

• Genuine Suzuki engine-control module

• Correct Suzuki part number 33920-87JE1

• Supersedes earlier DF40 / DF50 ECU references including 33920-87J50 and 33920-87JC3

• Used on DF40 and DF50 four-stroke EFI applications

• Requires exact engine model, serial, connector and calibration confirmation

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 33920-87JE1 current Suzuki service reference

• 33920-87JE0 → Superseded by 33920-87JE1

• 33920-87JC3 → Superseded by 33920-87JE1

• 33920-87J50 → Superseded by 33920-87JE1

• 33920-87J30 / 33920-87J31 earlier related DF40 / DF50 ECU references

  

OEM / Related Numbers:

  

• 33920-87JE1

• 33920-87JE1-000

• 3392087JE1

• 33920-87JE0

• 33920-87JC3

• 33920-87JC2

• 33920-87JC1

• 33920-87JC0

• 33920-87J51

• 33920-87J50

• 33920-87J31

• 33920-87J30

• Related Mitsubishi marking family: F8T95072

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Suzuki DF40 / DF50 EFI four-stroke engine-control systems

  

Typically suits:

  

• Engine models:

• Suzuki DF40 1999-2010 engine-control applications where 33920-87JE1 is specified

• Suzuki DF50 1999-2010 engine-control applications where 33920-87JE1 is specified

• Suzuki DF50T MODEL:09-10 applications using engine-control module 33920-87JE1

• Suzuki DF40TL K9 2009 engine-control-unit applications using 33920-87JE1

• Suzuki DF40 / DF50 applications originally using 33920-87J30, 33920-87J31, 33920-87J50, 33920-87JC0, 33920-87JC1, 33920-87JC2 or 33920-87JC3 where superseded to 33920-87JE1

  

• HP Range: 40HP - 50HP

• Engine Type: Suzuki DF40 / DF50 EFI four-stroke outboard

• Year Range: approximately 1999 - 2010 for the DF40 / DF50 ECU family

• Fitment Note: match to the existing ECU part number and Suzuki serial-numbered parts diagram before installation

  

🔌 Function

  

The ECU processes engine sensor inputs and controls injector pulse, ignition timing, idle operation, diagnostic fault storage and guardian functions.

  

Common signs of failure:

  

• Crank-no-start with verified fuel, spark inputs and ECU supply

• No injector pulse or intermittent injector output

• No communication with diagnostic equipment

• Intermittent shutdown or limp mode

• Persistent engine-control fault codes after wiring checks

• Poor idle, rich running or lean running after mechanical testing

• Corrosion or water damage at the ECU case or connectors

  

📦 Condition

  

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated

## Details

- **Price:** 450.0 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 | 450.00 AUD | In stock |

## Images

- 33920-87JE1 Suzuki ECU 40HP 50 HP | Genuine Used Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/33920-87je1-suzuki-ecu-40hp-50-hp-genuine-used-part)
> Updated: 2026-06-29