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2024-09-05Dongfeng DFL4251A8-T31R-931-02 Series Tractor Truck Door Lamp Switch Group
The Dongfeng DFL4251A8-T31R-931-02 Series Tractor Truck Door Lamp Switch Group is an essential component in the electrical system of Dongfeng’s heavy-duty tractor trucks. This assembly plays a crucial role in controlling the door lamp, ensuring visibility and safety during vehicle operation. The switch group is designed to integrate seamlessly with the truck’s door mechanism, allowing for reliable and efficient functionality.
Product Parameters of Dongfeng DFL4251A8-T31R-931-02 Series Tractor Truck Door Lamp Switch Group

Dongfeng DFL4251A8-T31R-931-02 Series Tractor Truck Door Lamp Switch Group
- Key Components of the Door Lamp Switch Assembly
- At the heart of the Dongfeng DFL4251A8-T31R-931-02 Series is the door lamp switch assembly, which is engineered to manage the activation and deactivation of the door lamp. This assembly includes several integral parts:
- Switch Mechanism: The switch mechanism is the primary component responsible for controlling the door lamp. When the door is opened or closed, the switch activates or deactivates the lamp accordingly. This mechanism ensures that the lamp illuminates when the door is open, enhancing visibility and safety.
- Housing: The housing of the switch assembly is crafted from durable materials to withstand the rigors of heavy-duty truck operation. It provides protection for the internal components and ensures that the switch remains functional under various environmental conditions.
Dongfeng DFL4251A8-T31R-931-02 Series Tractor Truck Door Lamp Switch Group
- Electrical Connectors: The assembly includes electrical connectors that facilitate a secure connection between the switch and the truck’s electrical system. These connectors are designed to provide a reliable electrical connection, minimizing the risk of short circuits or electrical failures.
- Screw: A key component in the door lamp switch assembly is the screw. This component secures the switch mechanism within the housing and ensures that all parts are properly aligned. The screw is designed for easy installation and removal, allowing for straightforward maintenance and replacement.
- Functionality and Benefits
- The Dongfeng DFL4251A8-T31R-931-02 Series Door Lamp Switch Group offers several benefits:
- Enhanced Safety: By controlling the door lamp, the switch group ensures that the lamp is illuminated when the door is open, thereby improving visibility for the driver and others around the vehicle. This feature is particularly important in low-light conditions or when parked on the roadside.
- Durability and Reliability: Constructed from high-quality materials, the switch assembly is built to withstand harsh operating conditions. Its robust design ensures long-term reliability, reducing the need for frequent replacements and minimizing downtime.
Dongfeng DFL4251A8-T31R-931-02 Series Tractor Truck Door Lamp Switch Group
- Ease of Maintenance: The inclusion of a screw for securing the switch mechanism makes installation and maintenance straightforward. The screw allows for quick adjustments and replacements, ensuring that the switch remains in optimal working condition.
- Seamless Integration: Designed specifically for Dongfeng’s tractor trucks, the door lamp switch group integrates seamlessly with the vehicle’s existing systems. This ensures that the switch operates efficiently and effectively without the need for additional modifications.
- Installation and Maintenance
- Installing the Dongfeng DFL4251A8-T31R-931-02 Series Door Lamp Switch Group requires careful attention to detail. The process involves the following steps:
Dongfeng DFL4251A8-T31R-931-02 Series Tractor Truck Door Lamp Switch Group
- Preparation: Before installation, ensure that the truck is turned off and the electrical system is disconnected. This prevents any accidental short circuits or electrical shocks.
- Removal of Old Switch: If replacing an existing switch, carefully remove the old switch assembly by unscrewing the securing screws and disconnecting the electrical connectors.
- Installation of New Switch: Position the new door lamp switch assembly in the designated location. Secure it in place using the provided screw, ensuring that it is properly aligned and tightened. Connect the electrical connectors to establish a secure connection.
Dongfeng DFL4251A8-T31R-931-02 Series Tractor Truck Door Lamp Switch Group
- Testing: After installation, test the door lamp switch to ensure that it functions correctly. Open and close the door to verify that the lamp activates and deactivates as intended.
- Conclusion
- The Dongfeng DFL4251A8-T31R-931-02 Series Tractor Truck Door Lamp Switch Group is a vital component for ensuring the safety and functionality of Dongfeng’s heavy-duty tractor trucks. With its robust design, reliable performance, and ease of maintenance, this switch assembly provides an essential solution for managing the door lamp. Whether you are installing a new switch or replacing an old one, this component is designed to meet the highest standards of quality and performance, making it a valuable addition to your vehicle’s electrical system.
- For any additional information or assistance with the Dongfeng DFL4251A8-T31R-931-02 Series Door Lamp Switch Group, please consult the manufacturer’s guidelines or contact a qualified technician.
| Serial No. | Part No. | Part Name | Qty. |
| 1 | 10090000 | Door lamp switch assembly | 2 |
| Q2140416 | Screw | 2 |
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