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49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor
49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor
49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor
49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor
49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor
49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor
49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor
49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor
Specifications
Delivery Time :
1 Works day
Brand Name :
JIAJUE
Place of Origin :
CHINA
Payment Terms :
L/C,D/A,D/P,T/T,Western Union
Part Number :
49-14090
MOQ :
1
Price :
Please send mail or WhatsApp
Supply Ability :
1000PCS/MONTH
MOQ :
1
Packaging Details :
49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor is Packed in standard export packing under customer's requirement
Description
Generator Speed Controller Control Unit 49-14090
This high-quality electronic governor ensures optimal generator performance and reliability with precise speed control capabilities.
Product Specifications
Product NameGenerator Speed Controller Control Unit
Part Number49-14090
Brand NameJIAJUE
ConditionBrand New
AvailabilityRich Stock
Delivery TimeUsually delivered within 1-3 days after payment
Approximate Weight2KG
Size (per unit)20cm x 30cm x 8cm
Delivery MethodsDHL, FedEx, TNT, UPS
ShipmentDispatched within 24-48 hours
Payment MethodsTT, Western Union, Credit Card, PayPal
Product Testing
49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor 49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor
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49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor
Frequently Asked Questions
How long does it take to install the ECM on machine?
  • Physical Installation: 15-30 minutes. The unit is typically secured by 4 bolts on the cool side of the engine.
  • Programming & Testing: 30-60 minutes.
Pro Tip: If the ECM is pre-programmed by us based on your machine's serial number, it is essentially "Plug & Play." If not, you will need a Cat ET (Electronic Technician) tool to flash the software, which takes additional time. We recommend professional installation to ensure correct parameter synchronization.
How to determine if the ECM is faulty and needs replacement?
  • The ET diagnostic tool cannot communicate with the ECM, or it displays a "Module Not Responding" error. This is a critical sign of internal hardware failure.
  • Active fault codes related to internal memory (EEPROM) or voltage reference issues that persist after checking the wiring harness often indicate ECM failure.
  • Sudden engine stalling, severe power loss (Limp Mode), or persistent misfiring (missing injector driver signals) after sensors and harnesses have been ruled out.
  • Visible signs of overheating (burning smell), water ingress, corrosion, or broken pins on the connector headers.
What's your payment method?
Our payment methods include T/T, L/C, PayPal, etc.
Do you have stock?
Rich stock available.
How can I know my order is already shipping?
When the goods ship, we will share the tracking number. For sea or air freight, we can provide the bill of lading.
Step-by-Step Testing Guide
Pro-Tip: HEUI (Hydraulic Electronic Unit Injection) systems are extremely sensitive to contamination. A single speck of dust can cause premature failure.
  1. Prepare: Ensure the excavator is turned off and safely secured. Disconnect the battery to avoid electrical accidents.
  2. Inspect: Check the ECU for physical damage or loose connections.
  3. Connect Diagnostic Tool: Use a diagnostic tool recommended by the excavator's manufacturer. Connect it to the ECU according to the tool's instructions.
  4. Read Codes: Use the diagnostic tool to read any error codes (DTCs) stored in the ECU. These codes indicate potential problems with the ECU or connected systems.
  5. Check Live Data: View live data parameters such as sensor readings and system voltages. Ensure they are within normal ranges.
  6. Functional Tests: If possible, perform tests to activate components or simulate sensor inputs. Verify that the ECU responds correctly without delays or errors.
  7. Reset (if needed): Reset the ECU if recommended by the manufacturer, especially after repairs or replacements.
  8. Document: Keep a record of all tests, codes, and results for future reference.
Quick Checklist for Buyers
Before replacing the ECM, always check the fuses, main relays, and ground connections. In many cases, a faulty ground wire or low battery voltage mimics an ECM failure.
Customer Reviews
49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor
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49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor
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49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor 49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor
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49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor
Packaging & Shipping
49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor 49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor
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49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor

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Product Detail
Delivery Time :
1 Works day
Brand Name :
JIAJUE
Place of Origin :
CHINA
Payment Terms :
L/C,D/A,D/P,T/T,Western Union
Part Number :
49-14090
MOQ :
1
Contact Supplier
49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor
49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor
49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor
49-14090 Generator Speed Controller Control Unit 4914090 Speed Control Module Electronic Governor

GUANGZHOU JIAJUE TRADING CO.,LTD

Verified Supplier
10 Years
guangdong, guangzhou
Since 2014
Business Type :
Manufacturer, Distributor/Wholesaler, Trading Company
Main Products :
Excavator Accessories, Diesel Fuel Injectors, ECU Controller
Total Annual :
5000000-8000000
Employee Number :
15~35
Certification Level :
Verified Supplier
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