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


The Sinotruk Howo A7 Howo Doubel Front Axle Brake Device is a specialized braking system designed specifically for heavy-duty trucks equipped with double front axles, providing reliable stopping power and enhanced safety control. This comprehensive assembly integrates multiple components including relay valves, connectors, brackets, and tubing to ensure optimal air distribution and brake activation for front axle applications. Engineered for Sinotruk Howo A7 models with double front axle configurations, this system delivers consistent braking performance across various driving conditions and load requirements. The device’s robust construction and precision engineering make it ideal for demanding transportation applications where front axle braking efficiency is critical.
This advanced brake system features multiple relay valves that regulate air pressure to ensure balanced braking force distribution between the dual front axles. The system incorporates specialized components such as elastic elements, clamp springs, and nut bases that secure connections and prevent air leaks, maintaining system integrity under high-pressure conditions. Polyamide tubes in various diameters facilitate efficient air flow throughout the braking circuit, while numerous connectors including right angle joints, straight joints, and T-shaped three-way joints enable comprehensive air distribution. This sophisticated design ensures reliable brake activation and consistent performance for front axle applications.
Functionally, the Sinotruk Howo A7 Howo Doubel Front Axle Brake Device prioritizes safety by delivering precise braking response, which is particularly important for steering control and vehicle stability during emergency stops. The system includes specialized brackets and mounting hardware that securely position all components on the vehicle chassis, minimizing vibration-induced wear and ensuring long-term reliability. Various fastening elements such as hex bolts, flat washers, spring washers, and hex nuts provide secure attachment points for all system components. This attention to mechanical integrity ensures the system maintains optimal performance even under extreme operating conditions.
Applications of the Sinotruk Howo A7 Howo Doubel Front Axle Brake Device extend to various heavy-duty transportation sectors including construction, mining, logging, and specialized hauling operations where double front axle configurations are employed. The system’s compatibility with Sinotruk Howo A7 trucks ensures seamless integration and optimal functionality within the vehicle’s existing brake system architecture. Regular maintenance and proper installation of this device can significantly enhance front axle braking efficiency, contributing to overall vehicle safety and operational reliability. This makes it an essential component for fleet operators seeking to maximize the performance and safety of their Sinotruk Howo A7 vehicles with double front axle configurations.
| NO. | Part NO | Description |
|---|---|---|
| 1 | AZ9725560095 | Tube circuit schematic(relay valve install in front shaft) |
| 2 | WC9000500524 | Relay valve 2 |
| 3 | WC9000500524/1 | Relay valve(WABCO) 3 |
| 4 | WC9731360805 | Angle bracket(relay valve)4 |
| 5 | WC9731360805/1 | Angle bracket(relay valve)5 |
| 6 | Q150B1225 | Bolt 6 |
| 7 | Q40112 | Flat washer |
| 8 | Q40312 | Spring washer |
| 9 | Q340B12 | I shape hex nut 9 |
| 10 | Q40308 | Spring washer |
| 11 | Q340B08 | I shape hex nut |
| 12 | WC9725500451 | Brake hose assembly(length 670mm)12 |
| 13 | WC9725500451/1 | Polyamide hose assembly 13 |
| 14 | J190003179785 | Polyamide hose(Φ12*1.5)14 |
| 15 | WC9000501004 | Elastic component NC8 15 |
| 16 | WC9000501004/1 | Elastic component NC8 16 |
| 17 | WC9000501005 | Clamp spring NC8 17 |
| 18 | WC9000501005/1 | Clamp spring NC8 18 |
| 19 | WC9000501006 | Nut base NC8 19 |
| 20 | WC9000501006/1 | Nut base NC8 20 |
| 21 | WC9000501007 | Elastic component NG12 21 |
| 22 | WC9000501007/1 | Elastic component NG12 22 |
| 23 | WC9000501008 | Clamp spring NG12 23 |
| 24 | WC9000501008/1 | Clamp spring NG12 24 |
| 25 | WC9000501009 | Nut base NG12 25 |
| 26 | WC9000501009/1 | Nut base NG12 26 |
| 27 | WC9000501012 | PlugNG12-M22XL5 27 |
| 28 | WC9000501012/1 | PlugNG12-M22XL5 28 |
| 29 | WC9000501101 | Straight joint NG12/NW9 29 |
| 30 | WC9000501101/1 | Straight joint NG12/NW9 30 |
| 31 | WC9000501101 | Straight joint NG12/NW9 31 |
| 32 | WC9000501101/1 | Straight joint NG12/NW9 32 |
| 33 | WC9000501320 | T shape three-way jointNW12/NG12/NW9 33 |
| 34 | WC9000501320/1 | T shape three-way jointNW12/NG12/NW9 34 |
| 35 | WC9000361204 | Right angle jointNG12/NW9 35 |
| 36 | WC9000361204/1 | Right angle jointNG12/NW9 36 |
| 37 | WC9000361305 | L shape three way NG12/2-NW9 37 |
| 38 | WC9000361305/1 | L shape three way NG12/2-NW9 38 |
| 39 | WC9000361105 | Ferrule straight joint L12/NG12 39 |
| 40 | WC9000361105/1 | Ferrule straight joint L12/NG12 40 |
| 41 | WC9000361104 | Hex thin nut M13X1.5 41 |
| 42 | WC9000361104/1 | Hex thin nut M13X1.5 42 |
| 43 | WC9000361201 | Right angle jointNG8/NW6 43 |
| 44 | WC9000361201/1 | Right angle jointNG8/NW6 44 |
| 45 | J50005559955 | Right angle joint 45 |
| 46 | WC9000361015 | Hex thin nut M22X1.5 46 |
| 47 | WC9000361015/1 | Hex thin nut M22X1.5 47 |
| 48 | WC9000361016 | Support washer M22X1.5 48 |
| 49 | WC9000361016/1 | Support washer M22X1.5 49 |
| 50 | WC9000361017 | O ring: 20.3X2.4 50 |
| 51 | WC9000361017/1 | O ring: 20.3X2.4 51 |
| 52 | WC9000360518 | relay valve 52 |
| 53 | WC9000360518/1 | relay valve 53 |
| 54 | Q150B1025 | Hex bolt 55 |
| 55 | Q40110 | Flat washer |
| 56 | Q40310 | Spring washer |
| 57 | Q400B10 | Hex nut S8 |
| 58 | Q340B08 | 1 shape hex nut |
| 59 | Q40108 | Flat washer |
| 60 | Q40308 | Spring washer |
| 61 | WC9918360805 | Bracket(relay valve)62 |
| 62 | WC9918360805/1 | Bracket(relay valve)63 |
Our Sinotruk Howo A7 Howo Doubel Front Axle Brake Device offers superior quality and reliability, manufactured with premium materials that meet or exceed OEM specifications. Each component undergoes rigorous testing to ensure consistent performance under extreme conditions, reducing the risk of brake failure and enhancing vehicle safety. This dedication to quality translates to lower maintenance costs and extended service life, making it a cost-effective choice for fleet operators. By investing in our product, you benefit from a braking solution that prioritizes durability and operational efficiency, supported by years of engineering expertise in heavy-duty vehicle systems.
We provide excellent compatibility and ease of installation with our Sinotruk Howo A7 Howo Doubel Front Axle Brake Device, designed specifically for Sinotruk Howo A7 trucks with double front axle configurations. The complete assembly includes all necessary components from relay valves and brackets to connectors and fasteners, ensuring a seamless fit without the need for modifications. This reduces installation time and minimizes vehicle downtime, allowing trucks to return to operation quickly. Our device integrates smoothly with existing brake systems, providing reliable performance that meets industry standards for front axle braking applications.
Durability is a key advantage of our Sinotruk Howo A7 Howo Doubel Front Axle Brake Device, featuring corrosion-resistant materials and robust construction that withstand harsh operating environments. The use of high-quality polyamide tubes, secure elastic components, reliable clamp springs, and durable nut bases ensures long-term functionality and reduces the frequency of replacements. This focus on durability not only enhances safety but also lowers the total cost of ownership by minimizing repair expenses. The device’s efficient design contributes to optimal air distribution and braking performance, supporting vehicle stability and control.
We offer comprehensive customer support and competitive pricing for our Sinotruk Howo A7 Howo Doubel Front Axle Brake Device, ensuring you receive exceptional value and service. Our team provides detailed product information, installation guidance, and access to resources like catalogs to help you make informed decisions. By choosing our device, you gain a trusted partner committed to enhancing your vehicle’s front axle braking performance and overall safety. This commitment to customer satisfaction, combined with the product’s reliability and specialized design for double front axle applications, makes us a preferred supplier for Sinotruk Howo A7 components.
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If you have any questions about our products, services, or anything related to what we offer, please don’t hesitate to leave us a message—our dedicated team is always ready to provide prompt and helpful responses to address your concerns. What’s more, when you become our valued customer, we’re delighted to offer you complimentary catalog services, giving you access to detailed, up-to-date information on our full range of products, specifications, and offerings to help you make informed decisions.