Product Description

WEICHAI 612640080460 Electronic Control Unit is a critical engine electronic management module designed for WEICHAI diesel engine systems, ensuring stable fuel injection control, real-time sensor communication, engine operating efficiency, and emission compliance.

This OE original-quality ECU is widely used in WEICHAI heavy-duty truck engines, engineering machinery, generator power systems, and fleet maintenance where ECU failure may cause starting issues, unstable idling, fuel injection errors, power loss, communication faults, or abnormal engine warning signals.

Suitable for OEM replacement, distributor sourcing, wholesale procurement, fleet maintenance, factory direct export, and ready stock shipment.

Product Overview

612640080460 is mainly used in WEICHAI engine electronic control systems.

Common applications:

• Engine ECU replacement

• Fuel injection control repair

• Fleet engine maintenance

• Engineering machinery repair

• Generator engine system service

• OEM replacement

• Wholesale supply

• Export aftermarket procurement

Technical Parameters

Fitment Models

Common engine applications:

• WEICHAI WP10 Engine

• WEICHAI WP12 Engine

• WEICHAI Heavy Truck Power Systems

• Construction Machinery Engines

• Generator Sets

Fitment Verification

Before order confirmation, verify:

• OEM No

• ECU code

• Engine model

• Engine serial number

• Connector layout

• Voltage system (24V)

• CAN communication protocol

• Calibration/software version

• Mounting bracket

• Emission stage

• Harness compatibility

OEM Cross Verification (WEICHAI Related)

Direct Fit

• WEICHAI diesel engine ECU platforms

• Heavy-duty truck electronic engine control systems

• Related industrial diesel power systems

Can Be Adapted

• Matching WEICHAI engine platforms after ECU code + connector + software verification

Similar But Not Compatible

• Different calibration ECUs

• Different CAN protocol controllers

• Different voltage ECUs

• Engine-only sensor modules

• Non-WEICHAI diesel engine control units

Common Field Failure Case

Case 1

Vehicle: WEICHAI WP12 Heavy Truck
Problem: Engine difficult to start
Root Cause: ECU internal circuit fault
Solution: Replace 612640080460 ECU
Result: Restored normal startup and stable control

Case 2

Vehicle: Construction Machinery Engine
Problem: Fuel injection communication failure
Root Cause: CAN signal abnormality inside ECU
Solution: Install OE-quality electronic control unit
Result: Improved engine stability and fuel response

Case 3

Vehicle: Export Fleet Maintenance Project
Problem: Wrong ECU version installed
Root Cause: Software and connector mismatch
Solution: Verify OEM + ECU code + engine serial before shipment
Result: Reduced installation failure and freight loss

Wrong Part & Export Transport Risk Control

Supplier Stability & Procurement Value

For distributors and fleet buyers:

• Original-quality supply

• Factory direct shipment

• Ready stock available

• Stable export packaging

• Reduced wrong-order risk

• Suitable for truck / machinery engine repair

• Wholesale procurement support

• Reliable ECU replacement compatibility

Related Engine Parts

Directly Associated Parts

• Engine Wiring Harness

• Fuel Injector

• Pressure Sensor

• CAN Communication Cable

Same System Parts

• Common Rail Pump

• Turbocharger

• Fuel Rail Sensor

• Engine Control Relay

Often Forgotten Parts

• ECU mounting bolts

• Connector seals

• Lock clips

• Ground cable

• Protective sleeves

Contact

William Du
Heavy Truck & Engine Spare Parts Supply
WEICHAI | FAW | SINOTRUK Export Parts
WhatsApp / WeChat: +86 19050562894
Email: Sales22@chinatruck.cc