- Wanda Plaza, Jinan, Shandong, China
- +8617615809553
- info@deruna.com
- Wanda Plaza, Jinan, Shandong, China
- +8617615809553
- info@deruna.com


The Sinotruk Howo A7 Double Air Horn Operate Device is an advanced pneumatic system designed specifically for Sinotruk Howo A7 trucks, providing reliable and powerful auditory signaling for enhanced safety and communication on the road. This comprehensive assembly includes high-quality components such as bitone air horns, solenoid valves, polyamide tubes, and various connectors that work together to deliver clear and distinct sound signals in diverse driving conditions. Engineered with precision and durability, this device ensures optimal performance and compatibility with the vehicle’s existing air supply system. The Sinotruk Howo A7 Double Air Horn Operate Device is built to withstand harsh environmental factors, offering long-lasting functionality for commercial truck operations.
The Sinotruk Howo A7 Double Air Horn Operate Device is a specialized pneumatic system that controls the operation of dual-tone air horns on Sinotruk Howo A7 trucks. This device utilizes compressed air from the vehicle’s air brake system to produce loud, distinctive horn sounds that alert other road users to the truck’s presence, enhancing safety during navigation in various traffic conditions. The system includes key components such as bitone air horns, which generate two different pitches for better auditory recognition, and an air horn solenoid valve that regulates air flow to the horns upon driver activation. Additional elements like straight joints, elastic components, and clamp springs ensure secure connections and reliable operation throughout the pneumatic circuit.
This operating device features a robust design with polyamide tubes that serve as durable conduits for air transmission, resisting abrasion, temperature changes, and chemical exposure. The schematic diagram included in the system provides a clear layout for installation and maintenance, ensuring proper integration with the truck’s existing air supply. Components such as hexagonal bolts, flat washers, spring washers, and serrated lock washers are used to secure the horns and solenoid valve in place, preventing loosening due to vibration and road shocks. The Sinotruk Howo A7 Double Air Horn Operate Device is engineered for easy installation and compatibility, reducing setup time and ensuring consistent performance.
Operation of the Sinotruk Howo A7 Double Air Horn Operate Device is straightforward, typically controlled by a dashboard switch or button that activates the solenoid valve. When engaged, the valve opens to allow compressed air to flow through the polyamide tubes to the bitone air horns, producing a powerful sound that can be heard over long distances. This system is particularly useful in emergency situations, poor visibility conditions, or when navigating through crowded areas where auditory signals are crucial for safety. The dual-tone design ensures that the horn stands out from other vehicle sounds, providing effective communication with pedestrians and other drivers.
Maintenance of the Sinotruk Howo A7 Double Air Horn Operate Device involves regular inspections of components for wear, leaks, or damage. The polyamide tubes should be checked for cracks or degradation, while connections must be verified for airtightness to prevent loss of air pressure. The solenoid valve may require occasional cleaning to ensure smooth operation, and the horns should be kept free of debris to maintain sound quality. With proper care, this device offers reliable service over extended periods, contributing to overall vehicle safety and compliance with automotive standards. Its design emphasizes user-friendly maintenance, allowing fleet operators to minimize downtime and repair costs.
| NO. | Part NO | Description |
|---|---|---|
| 1 | AZ9732573031 | Schematic for HOWO gas horn operated way |
| 2 | WC900070002 | Bitone air horn with no support frame 2 |
| 3 | WC900070002/1 | Bitone air horn 3 |
| 4 | Q150B0605 | Hex bolt 4 |
| 5 | Q40106 | Flat washer |
| 6 | Q40306 | Spring washer |
| 7 | Q340B06 | 1 shape Hexagonal nut 7 |
| 8 | WC9000301100 | Straight joint NGSNW4 8 |
| 9 | WC9000301100/1 | Straight joint NGSNW4 9 |
| 10 | WC9000301100/1 | Straight joint NGSNW4 10 |
| 11 | WC9000301100/1 | Straight joint NGSNW4 11 |
| 12 | WC9000301100/1 | Elastic component NG6 12 |
| 13 | WC9000301100/1 | Elastic component NG6 13 |
| 14 | WC9000301100/1 | Clamp spring NG6 14 |
| 15 | WC9000301100/1 | Clamp spring NG6 15 |
| 16 | WC9000301100/1 | Nut base NG6 16 |
| 17 | WC9000301100/1 | Nut base NG6 17 |
| 18 | J90003179782 | Polyamide tube(ΦΦ*1) 11 |
| 19 | WC9718710003 | Air horn Solenoid Valve 19 |
| 20 | WC9718710003/1 | Air horn Solenoid Valve 20 |
| 21 | Q150B0605 | Hex bolt 21 |
| 22 | Q41208 | Serrated lock washer 22 |
| 23 | WC9725270017 | Bitone air horn with support frame 25 |
| 24 | WC9725270017/1 | Bitone air horn with support frame 26 |
| 25 | Q150B0605 | Hex bolt 27 |
Our Sinotruk Howo A7 Double Air Horn Operate Device offers superior reliability and performance, manufactured to exact OEM specifications for seamless integration with Sinotruk Howo A7 trucks. The system utilizes high-quality materials, including durable polyamide tubes and corrosion-resistant components, ensuring long-term functionality even in demanding operating conditions. Each part, from the bitone air horns to the solenoid valve, is precision-engineered to deliver consistent sound output and responsive operation. This attention to detail reduces the risk of failures and minimizes maintenance needs, providing truck operators with a dependable safety feature that enhances road communication and accident prevention.
The design of our Sinotruk Howo A7 Double Air Horn Operate Device prioritizes ease of installation and maintenance, saving time and labor costs for fleet owners and mechanics. The included schematic diagram simplifies the setup process, while standardized connectors and mounting hardware ensure proper alignment with the vehicle’s air system. Components such as straight joints and clamp springs are designed for secure, leak-free connections, reducing the likelihood of air pressure loss. Additionally, the modular approach allows for individual part replacements if needed, avoiding the expense of full system overhauls. This user-friendly design makes our product an efficient choice for both new installations and repairs.
We emphasize safety and compliance in our Sinotruk Howo A7 Double Air Horn Operate Device, which meets industry standards for auditory signaling devices in commercial vehicles. The dual-tone horns produce distinct, penetrating sounds that effectively alert pedestrians and other drivers, contributing to safer navigation in urban and highway environments. The solenoid valve ensures quick activation and deactivation, allowing drivers to respond promptly to changing road conditions. By choosing our device, you invest in a system that not only enhances vehicle safety but also supports regulatory compliance, reducing the risk of fines or operational disruptions due to inadequate signaling equipment.
Opting for our Sinotruk Howo A7 Double Air Horn Operate Device provides excellent value through cost-effectiveness and durability. The robust construction resists wear from vibration, moisture, and temperature extremes, extending the product’s lifespan and reducing replacement frequency. This longevity translates to lower total cost of ownership, as fewer repairs and part changes are needed over time. Furthermore, our device is backed by rigorous quality testing and responsive customer support, ensuring that you receive a reliable product tailored to your needs. By selecting our air horn operate device, you enhance your truck’s functionality while achieving long-term savings and operational efficiency.
The Sinotruk Howo A7 Double Air Horn Operate Device is engineered to withstand the rigorous demands of commercial trucking, including exposure to dust, rain, and extreme temperatures. The polyamide tubes used in the system are specifically chosen for their flexibility and resistance to environmental degradation, ensuring consistent air flow without cracking or leaking over time. Similarly, the bitone air horns are constructed from materials that prevent rust and corrosion, maintaining sound quality and appearance through years of use. This resilience makes the device ideal for trucks operating in diverse climates and terrains, from arid deserts to humid coastal areas, without compromising performance or safety.
Integration with the Sinotruk Howo A7 truck’s existing air supply system is seamless, thanks to the precise engineering of the Sinotruk Howo A7 Double Air Horn Operate Device. The components are designed to connect directly to the vehicle’s pneumatic circuits, minimizing the need for adapters or modifications during installation. This compatibility ensures that the horn system operates efficiently without straining other air-dependent functions, such as brakes or suspension. Drivers can rely on immediate horn response when needed, enhancing situational awareness and reducing reaction times in critical moments. This plug-and-play approach simplifies upgrades and retrofits, making it a practical choice for fleet managers seeking to improve vehicle safety features.
Regular upkeep of the Sinotruk Howo A7 Double Air Horn Operate Device is straightforward, involving simple checks and cleaning procedures that can be performed during routine vehicle maintenance. Inspecting the polyamide tubes for signs of wear, ensuring connections are tight, and testing the solenoid valve for proper operation are key steps to maintain optimal functionality. The device’s design allows for easy access to components, reducing the time required for inspections and repairs. By adhering to a consistent maintenance schedule, operators can prolong the life of the system and avoid unexpected failures, ensuring that the horn remains a reliable safety tool throughout the truck’s service life.
In summary, the Sinotruk Howo A7 Double Air Horn Operate Device is a vital addition to any Sinotruk Howo A7 truck, offering enhanced auditory signaling for improved road safety. Its combination of durable materials, easy installation, and low maintenance requirements makes it a smart investment for fleet operators and individual owners alike. We encourage you to explore our full range of Sinotruk parts and contact us for more information on how this device can benefit your specific operations. With its proven reliability and performance, the Sinotruk Howo A7 Double Air Horn Operate Device stands as a top choice for those prioritizing safety and efficiency in their commercial vehicles.
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