COGENG Electronic Control Group for Caterpillar 329D & 330D Excavators | Replaces OEM 366-8821 | ECU Engine Controller
  • COGENG  329D & 330D  Electronic Control Group for CaterpillarExcavators | Replaces OEM 366-8821 | ECU Engine Controller,Excavator Solenoid Valve | Excavator Pressure Switch | Excavator Revolution Sensor | Excavator Wiring Harness | Excavator Throttle Motor --- COGENG High-Qulity Parts Service GAOGENG Provider,COGENG Electronic Control Group for Caterpillar 329D & 330D Excavators | Replaces OEM 366-8821 | ECU Engine Controller
  • COGENG  329D & 330D  Electronic Control Group for CaterpillarExcavators | Replaces OEM 366-8821 | ECU Engine Controller,Excavator Solenoid Valve | Excavator Pressure Switch | Excavator Revolution Sensor | Excavator Wiring Harness | Excavator Throttle Motor --- COGENG High-Qulity Parts Service GAOGENG Provider,COGENG Electronic Control Group for Caterpillar 329D & 330D Excavators | Replaces OEM 366-8821 | ECU Engine Controller
  • COGENG  329D & 330D  Electronic Control Group for CaterpillarExcavators | Replaces OEM 366-8821 | ECU Engine Controller,Excavator Solenoid Valve | Excavator Pressure Switch | Excavator Revolution Sensor | Excavator Wiring Harness | Excavator Throttle Motor --- COGENG High-Qulity Parts Service GAOGENG Provider,COGENG Electronic Control Group for Caterpillar 329D & 330D Excavators | Replaces OEM 366-8821 | ECU Engine Controller
  • COGENG  329D & 330D  Electronic Control Group for CaterpillarExcavators | Replaces OEM 366-8821 | ECU Engine Controller,Excavator Solenoid Valve | Excavator Pressure Switch | Excavator Revolution Sensor | Excavator Wiring Harness | Excavator Throttle Motor --- COGENG High-Qulity Parts Service GAOGENG Provider,COGENG Electronic Control Group for Caterpillar 329D & 330D Excavators | Replaces OEM 366-8821 | ECU Engine Controller
  • COGENG  329D & 330D  Electronic Control Group for CaterpillarExcavators | Replaces OEM 366-8821 | ECU Engine Controller,Excavator Solenoid Valve | Excavator Pressure Switch | Excavator Revolution Sensor | Excavator Wiring Harness | Excavator Throttle Motor --- COGENG High-Qulity Parts Service GAOGENG Provider,COGENG Electronic Control Group for Caterpillar 329D & 330D Excavators | Replaces OEM 366-8821 | ECU Engine Controller
  • COGENG  329D & 330D  Electronic Control Group for CaterpillarExcavators | Replaces OEM 366-8821 | ECU Engine Controller,Excavator Solenoid Valve | Excavator Pressure Switch | Excavator Revolution Sensor | Excavator Wiring Harness | Excavator Throttle Motor --- COGENG High-Qulity Parts Service GAOGENG Provider,COGENG Electronic Control Group for Caterpillar 329D & 330D Excavators | Replaces OEM 366-8821 | ECU Engine Controller
  • COGENG  329D & 330D  Electronic Control Group for CaterpillarExcavators | Replaces OEM 366-8821 | ECU Engine Controller,Excavator Solenoid Valve | Excavator Pressure Switch | Excavator Revolution Sensor | Excavator Wiring Harness | Excavator Throttle Motor --- COGENG High-Qulity Parts Service GAOGENG Provider,COGENG Electronic Control Group for Caterpillar 329D & 330D Excavators | Replaces OEM 366-8821 | ECU Engine Controller
  • COGENG  329D & 330D  Electronic Control Group for CaterpillarExcavators | Replaces OEM 366-8821 | ECU Engine Controller,Excavator Solenoid Valve | Excavator Pressure Switch | Excavator Revolution Sensor | Excavator Wiring Harness | Excavator Throttle Motor --- COGENG High-Qulity Parts Service GAOGENG Provider,COGENG Electronic Control Group for Caterpillar 329D & 330D Excavators | Replaces OEM 366-8821 | ECU Engine Controller

COGENG 329D & 330D Electronic Control Group for CaterpillarExcavators | Replaces OEM 366-8821 | ECU Engine Controller

366-8821 3668821 CAT Programmed Controller ECU 330D 329D

Product name: CAT Programmed Controller ECU 
Part No: 366-8821 3668821 366-8821-00  20R-2323
Model Number:For 311D 312D 313D 314D 318D 319D
  • COGENG  329D & 330D  Electronic Control Group for CaterpillarExcavators | Replaces OEM 366-8821 | ECU Engine Controller,Excavator Solenoid Valve | Excavator Pressure Switch | Excavator Revolution Sensor | Excavator Wiring Harness | Excavator Throttle Motor --- COGENG High-Qulity Parts Service GAOGENG Provider,COGENG Electronic Control Group for Caterpillar 329D & 330D Excavators | Replaces OEM 366-8821 | ECU Engine Controller
  • COGENG  329D & 330D  Electronic Control Group for CaterpillarExcavators | Replaces OEM 366-8821 | ECU Engine Controller,Excavator Solenoid Valve | Excavator Pressure Switch | Excavator Revolution Sensor | Excavator Wiring Harness | Excavator Throttle Motor --- COGENG High-Qulity Parts Service GAOGENG Provider,COGENG Electronic Control Group for Caterpillar 329D & 330D Excavators | Replaces OEM 366-8821 | ECU Engine Controller
  • COGENG  329D & 330D  Electronic Control Group for CaterpillarExcavators | Replaces OEM 366-8821 | ECU Engine Controller,Excavator Solenoid Valve | Excavator Pressure Switch | Excavator Revolution Sensor | Excavator Wiring Harness | Excavator Throttle Motor --- COGENG High-Qulity Parts Service GAOGENG Provider,COGENG Electronic Control Group for Caterpillar 329D & 330D Excavators | Replaces OEM 366-8821 | ECU Engine Controller
  • COGENG  329D & 330D  Electronic Control Group for CaterpillarExcavators | Replaces OEM 366-8821 | ECU Engine Controller,Excavator Solenoid Valve | Excavator Pressure Switch | Excavator Revolution Sensor | Excavator Wiring Harness | Excavator Throttle Motor --- COGENG High-Qulity Parts Service GAOGENG Provider,COGENG Electronic Control Group for Caterpillar 329D & 330D Excavators | Replaces OEM 366-8821 | ECU Engine Controller

Desciption

366-8821 3668821  CAT Programmed Controller ECU E311D~E330D

Product name:CAT Programmed Controller ECU 
Part No:  366-8821 3668821 366-8821-00  20R-2323
Model Number:For 311D 312D 313D 314D 318D 319D 320D 323D 324D 325D 328D 329D 330D 336D 345D 349D M325D M330D
Material:Lron+Rubber
Packing:PP bag inside, carton box outside
Payment Terms:Western Union, L/C, T/T, MoneyGram, D/A, D/P
MOQ:Acceptable trial order
Shipping Mode:By air, by sea, by express(Fedex, UPS, DHL, TNT, etc.)
Place of Origin:Guangdong, China
Brand name:COGENG
CertifiCATEEion:ISO9001
Supply :500PCS
MOQ:1PCS


Field Specification
Part Number 366-8821 / 3668821 / 366-8821-00
OEM Status Caterpillar® Genuine / Factory Programmed
Compatible Models E300D Series: E311D, E312D, E313D, E317D, E320D, E322D, E324D, E329D, E330D (Confirm specific sub-model)
Key Functions Engine Speed & Power Management, Main Hydraulic Pump Regulation, Implement & Swing Control, Travel Mode Selection, System Diagnostics & Monitoring, CAN (J1939) Communication
Common Failure Symptoms Machine No-Start, Hydraulic System De-rate/Slow Operation, Erratic Implement Movement, Display Panel Blackout/Errors, J1939 Communication Faults, Diagnostic Trouble Codes (DTCs) related to controllers
Replacement Signs Water/fire damage to ECU, Persistent unrepairable communication faults, Corrosion on connectors.
Core Requirement Requires configuration with the specific machine's software settings and identity to function properly.


Cogeng 366-8821 Control Group Electronic (ECU) for CAT 330D / 329D
Maximize the performance and reliability of your heavy equipment with the Cogeng 366-8821 Control Group Electronic (ECU). This high-quality engine controller is specifically designed as a direct replacement for your CAT 330D and 329D Excavators, ensuring seamless integration and optimal engine management.
Precision Engine Management
The Electronic Control Unit (ECU) is the brain of your engine, regulating everything from fuel injection timing and air-fuel ratio to emissions control. A failing or faulty ECU can lead to severe performance issues, reduced fuel efficiency, and costly downtime. The Cogeng 366-8821 is built to restore your machine’s factory performance.
Key Features and Benefits:
Direct OEM Replacement: This unit is a precise match for the CAT part number 366-8821 (3668821), guaranteeing fit, form, and function for your CAT 330D and 329D models.
Restored Performance: By providing accurate and rapid control over engine functions, this ECU restores original horsepower, torque, and responsiveness, ensuring your excavator operates at peak efficiency.
Enhanced Reliability: Manufactured by Cogeng using high-quality components and rigorous testing standards, this controller is designed to withstand the harsh conditions of heavy equipment operation, including extreme temperatures and vibrations.
Plug-and-Play Installation: Engineered for easy replacement, the unit minimizes complex setup. In many cases, professional installation and calibration will have your machine back up and running with minimal delay.
Part Number: 366-8821 (3668821)
Component Type: Control Group Electronic / ECU / Engine Controller
Compatible Models: CAT 330D Excavator, CAT 329D Excavator (Verify compatibility with your specific machine serial number)
Manufacturer: Cogeng
Don't let a compromised ECU sideline your work. Invest in the Cogeng 366-8821 Electronic Control Group to ensure your CAT 330D or 329D maintains maximum power, efficiency, and reliability.


Tag:Excavator wiring harness, Excavator solenoid valve, Excavator Throttle Motor, Excavator Pressure Sensor
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