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

🚤 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originally using 33920-87J30, 33920-87J31, 33920-87J50, 33920-87JC0, 33920-87JC1, 33920-87JC2 or 33920-87JC3 where superseded to 33920-87JE1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

🔄 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• 33920-87JE0 → Superseded by 33920-87JE1
• 33920-87JC3 → Superseded by 33920-87JE1
• 33920-87J50 → Superseded by 33920-87JE1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

📦 Condition

• Genuine used part
• Removed from running engine where applicable
• In good working condition unless otherwise stated