Guangzhou Wansheng Technology Limted
                                                                                                           
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7834-21-7000 7834-21-7001 7834-21-7002 7834-21-7003 Controller Control Unit Computer Board for PC290-6 Excavator Spare Parts

Price Negotiable
Price: 105-185
MOQ: 1
Delivery Time: 3-7 day
Brand: JISION
Product Description
7834-21-7000 / 7834-21-7001 / 7834-21-7002 / 7834-21-7003 Excavator Controller Control Unit Computer Board for PC290-6

The 7834-21-7000, 7834-21-7001, 7834-21-7002, and 7834-21-7003 Controller Control Unit Computer Board is designed for Komatsu PC290-6 excavators, providing reliable electronic control and stable communication between machine systems.

This controller module is an essential component for excavator operation, responsible for processing signals, controlling machine functions, and ensuring efficient performance of the hydraulic and electronic systems.

Manufactured with high-quality electronic components and a durable housing design, this control unit offers excellent stability, long service life, and dependable performance in demanding construction environments.


Product Features

Direct Replacement

  • Designed to replace original controller units with matching specifications.
  • Easy installation without major modifications.

Stable Electronic Control

  • Provides accurate signal processing and machine system management.
  • Helps maintain smooth excavator operation.

Durable Construction

  • Strong metal housing protects internal electronic components.
  • Suitable for harsh working conditions including dust, vibration, and temperature changes.

Reliable Performance

  • Tested before shipment to ensure proper functionality.
  • Ideal solution for repairing excavator electrical control issues.

Product Specifications
Item Details
Product Name Excavator Controller Control Unit Computer Board
Part Numbers 7834-21-7000 / 7834-21-7001 / 7834-21-7002 / 7834-21-7003
Machine Model PC290-6 Excavator
Product Type Electronic Control Module / Controller ECU
Application Construction Machinery Spare Parts
Condition New Replacement Part

Compatible Model

✔ Komatsu PC290-6 Excavator


Common Symptoms of Controller Failure
  • Excavator cannot operate normally
  • Hydraulic system response becomes slow
  • Machine communication errors
  • Abnormal warning signals
  • Intermittent electrical faults

Replacing the controller control unit can help restore normal machine operation and improve working efficiency.


Why Choose JISION
  • Professional supplier of excavator electronic control parts
  • High-quality replacement ECU and controller solutions
  • Strict quality inspection before delivery
  • Support bulk orders and worldwide shipping

JISION provides reliable controller solutions to keep your construction equipment running efficiently.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Guangzhou Wansheng Technology Limted

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