YNF16802 9140452 EX550-3 Controller – Excavator Electronic Control Board
Product Overview
The YNF16802 Controller (part number 9140452) is a high-quality replacement electronic control board designed for EX550-3 excavators. This controller ensures reliable management of engine and hydraulic systems, providing precise machine operation and protecting against electronic failures. Made with durable components, it is built to withstand heavy-duty working conditions and environmental stress.
Key Features
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Direct replacement for 9140452
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Compatible with EX550-3 excavators
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High-quality electronic components for long-term durability
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Controls hydraulic and engine system operations reliably
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OEM-standard dimensions for easy installation
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Resistant to vibration, dust, and moisture
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Enhances operational efficiency and machine reliability
Technical Specifications
| Parameters | Details |
| OEM/ODM | Acceptable |
| MOQ | 1 Piece |
| Brand | OEM |
| Product Name | Controller |
| Packaging Details | Neutural Packing |
| Shipment | DHL FEDEX TNT EMS UPS |
| Availablity | In stock |
| Color | Customized |
| Application | Excavator |
| Packaging | Box |
Applications
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Suitable for EX550-3 excavators
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Used to manage hydraulic and engine electronic systems
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Ideal replacement for faulty or damaged controllers
Support and Services
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Part verification service available—send your old controller or machine model
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Technical guidance for installation and troubleshooting
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Full range of excavator electronic components available from YNF Machinery
Packing and Shipping
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Individually packed with protective materials
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Shipped in reinforced cartons to prevent damage
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YNF-branded or neutral packaging options available
Frequently Asked Questions
Q: Is this controller compatible with EX550-3 excavators?
A: Yes, it directly replaces part number 9140452.
Q: What systems does it control?
A: Engine and hydraulic systems.
Q: Is installation difficult?
A: No, it is designed for OEM-standard direct replacement.
Q: Is it durable under harsh conditions?
A: Yes, resistant to vibration, dust, and moisture.
Q: Will it improve machine reliability?
A: Yes, it ensures stable operation and reduces downtime.
