

The part is a comprehensive pneumatic control system that enables the driver to modulate braking force from the cabin of the HOWO A7 8X4 heavy truck. This Driving cab brake device includes the manual control valve, various fittings, tubes, and mounting hardware, all engineered to deliver precise and responsive brake actuation. The part ensures safe and reliable stopping power, contributing to overall vehicle safety and driver confidence.
At howo Parts, we supply the genuine Driving cab brake device assembly that meets the strictest OEM standards. Our Driving cab brake device comprises the Manual controlled brake valve, PlugNG8-M16×1.5, L shape three-way jointNG8/M12×1.5/NW6, Straight division jointNG6/M16×1.5, Hexagonal thin nut M16X1.5, O Rings 13X2, Rubber sheath, Compose step bracket jointNG8/NW6/135°, Straight jointNG6/NW4, Hex bolt, Spring washer, Elastic component NG8, Clamp spring NG8, Nut base NG8, Polyamide tube(Φ6×1), Polyamide tube(Φ8×1), and Plastic tighten belt B5×180. Every component of this Driving cab brake device is precision‑manufactured for a perfect fit and long‑term reliability.
Proper brake control is essential for safe operation, and The part plays a central role in translating driver input into braking action. Regular inspection and timely replacement of Driving cab brake device components will prevent air leaks, pressure loss, and brake fade. Trust our Driving cab brake device to keep your HOWO A7 8X4 stopping predictably for millions of kilometres.
The Manual controlled brake valve is the primary operator interface, allowing the driver to regulate air pressure to the brake chambers. This valve is a key element of The part, providing progressive control for smooth deceleration. Its robust construction ensures consistent feel and long service life.
Designed for ergonomic operation, the valve integrates a spring‑return mechanism for fail‑safe operation. Regular maintenance of this valve is essential for the overall performance of The part.
This plug seals unused ports on the valve body, preventing air leakage and contamination. It is a critical sealing element of The part, ensuring that the system maintains pressure integrity.
Made from corrosion‑resistant steel, the plug is easily installed and removed during service, contributing to the overall reliability of The part.
This L‑shaped fitting allows branching of air lines at a right angle, facilitating compact routing within the cab. It connects NG8, M12×1.5, and NW6 ports, making it versatile for various connections in The part.
Its precision‑machined threads ensure leak‑free joints, and the robust body withstands vibration and pressure cycling. This joint is a vital part of The part’s pneumatic network.
This straight fitting passes through a bulkhead or panel, allowing air lines to transition from one side to the other. It is commonly used where tubing must cross structural members in The part.
With its durable metal construction and O‑ring sealing, it prevents air loss and ensures a tidy installation. This joint enhances the serviceability of The part.
This low‑profile nut secures fittings and valves in confined spaces. Its thin design allows for use where standard nuts would be too bulky, making it an ideal fastener for The part.
Made from high‑strength steel with a corrosion‑resistant finish, it provides reliable clamping force and is easily tightened with standard tools.
These elastomeric seals are used at threaded connections to prevent air leakage. The O‑rings are formulated for resistance to heat, ozone, and ageing, ensuring long‑term sealing performance in The part.
Their precise dimensions guarantee a positive seal, and they are easily replaceable during maintenance, contributing to the overall reliability of the system.
The Rubber sheath protects the manual control valve from dust, moisture, and mechanical damage. It also provides a comfortable grip surface for the driver, enhancing the user experience of The part.
Manufactured from durable elastomer, the sheath resists wear and environmental factors, extending the life of the valve and maintaining a clean appearance.
This angled fitting is designed to route air lines around obstacles while maintaining a low profile. Its 135‑degree bend allows for efficient space utilisation in the cab, a key feature of The part.
The joint features a stepped design that facilitates secure tube insertion and sealing, making it a reliable component for complex pneumatic layouts.
This straight connector joins two tubes of NG6 and NW4 sizes, providing a simple and effective union. It is used extensively in The part for connecting different sections of the air circuit.
Its compact design and reliable sealing make it a standard fitting for pneumatic systems, ensuring minimal pressure drop and maximum flow efficiency.
The Hex bolt is a general‑purpose fastener used to secure brackets, valves, and other components of The part. Its hexagonal head allows for easy torque application with standard wrenches.
Zinc‑plated for corrosion resistance, the bolt provides reliable clamping force and is designed to withstand the vibration environment of the cab.
The Spring washer is a split‑ring lock washer that prevents bolted joints from loosening due to vibration. It is used in conjunction with hex bolts throughout The part to maintain joint integrity.
Its simple yet effective design ensures that fasteners remain tight, contributing to the overall safety and reliability of the system.
This rubber element isolates the valve and fittings from chassis vibrations, reducing wear and noise. It is a key damping component of The part, enhancing driver comfort and component longevity.
Made from high‑grade elastomer, it maintains its properties over a wide temperature range, ensuring consistent performance throughout the vehicle’s service life.
The Clamp spring is a retaining ring that secures the elastic component in position. It ensures that the damping element remains properly seated, maintaining its vibration‑absorbing function within The part.
Manufactured from spring steel, it provides consistent tension and is resistant to fatigue, ensuring long‑term reliability.
This threaded base provides a secure mounting point for the elastic component and other fittings. It is precision‑machined to accept NG8 threads, making it a versatile part of The part.
Its robust construction ensures that mounted components remain stable, even under severe vibration and shock loads.
This flexible nylon tube with 6 mm outer diameter and 1 mm wall thickness is used for low‑flow air lines in The part. Its small size allows for tight routing and space‑saving installations.
Resistant to abrasion and chemicals, the tube ensures long‑term, leak‑free performance and is easily cut and installed with standard tools.
This larger nylon tube (8 mm OD, 1 mm wall) is used for higher‑flow circuits within The part. It offers the same chemical and abrasion resistance as the smaller tube, but with greater flow capacity.
Its flexibility facilitates routing around obstacles, and its smooth inner bore minimises pressure drop, ensuring efficient air delivery.
This cable tie is used for bundling and securing tubes and wires in The part. Its 180 mm length and 5 mm width provide strong, reliable retention for neat and organised installations.
Made from UV‑stabilised nylon, it resists deterioration from sunlight and temperature extremes, ensuring long‑lasting bundling performance.
| Part NO. | Description |
|---|---|
| WG9000360522 | Manual controlled brake valve |
| WG9000361011 | PlugNG8-M16×1.5 |
| WG9000361307 | L shape three-way jointNG8/M12×1.5/NW6 |
| WG9000361108 | Straight division jointNG6/M16×1.5 |
| WG9000361013 | Hexagonal thin nut M16X1.5 |
| WG9000361032 | O Rings 13X2 |
| WG9719360018 | Rubber sheath |
| WG9000361403 | Compose step bracket jointNG8/NW6/135° |
| WG9000361107 | Straight jointNG6/NW4 |
| WG9000361207 | Straight jointNG6/NW4 |
| Q150B0616 | Hex bolt |
| Q40306 | Spring washer |
| WG9000361004 | Elastic component NG8 |
| WG9000361005 | Clamp spring NG8 |
| WG9000361006 | Nut base NG8 |
| 190003179782 | Polyamide tube(Φ6×1) |
| 190003179781 | Polyamide tube(Φ8×1) |
| WG9003171390 | Plastic tighten belt B5×180 |
Our Driving cab brake device is manufactured to original equipment specifications, ensuring a perfect fit and reliable operation. Every valve, fitting, and tube is tested for pressure integrity and durability, giving you the same performance as the factory‑installed system.
The part provides smooth, progressive brake modulation, allowing the driver to apply exactly the right amount of braking force. This precision enhances safety and reduces wear on brake components.
Our Driving cab brake device includes all necessary valves, fittings, tubes, and hardware for a straightforward replacement. The pre‑assembled components and clear routing reduce installation time and eliminate guesswork.
We maintain a comprehensive inventory of Driving cab brake device parts for fast worldwide delivery. Our technical experts provide installation guidance and troubleshooting support to keep your braking system in top condition.
The part is the driver’s primary interface for controlling the vehicle’s braking system. Any malfunction in this device can lead to delayed response, increased stopping distances, or even brake failure. Regular inspection and using genuine Driving cab brake device components are essential for maintaining the safety and performance of your HOWO A7 8X4.
The part is exposed to temperature extremes, moisture, and vibration. Our components are constructed from corrosion‑resistant materials and high‑grade elastomers to withstand these conditions. The polyamide tubes and rubber sheath offer excellent resistance to ageing and abrasion, ensuring long service life.
When installing The part, always use new O‑rings and sealing washers. Tighten all fittings to the specified torque to prevent air leaks. Ensure that tubes are routed without sharp bends and are secured with plastic ties to prevent chafing. Proper assembly of The part is critical for reliable operation.
We recommend inspecting The part every 50,000 km. Check for air leaks, cracked tubes, and worn seals. Test the manual valve for smooth operation and correct pressure output. Replace any deteriorated components immediately to maintain braking efficiency and safety.
Our Driving cab brake device is specifically engineered for the HOWO A7 8X4 cab layout, matching the original equipment in port positions and mounting points. It is a direct replacement for the factory‑installed system, ensuring seamless integration with the existing pneumatic network.
Each Driving cab brake device component is pressure‑tested and inspected for dimensional accuracy. We offer a comprehensive warranty against material and workmanship defects, giving you full confidence in your purchase.
We maintain a large stock of Driving cab brake device kits and individual parts for immediate dispatch. Bulk orders are available with competitive pricing and fast shipping. Contact our sales team for custom requirements.
Investing in a genuine Driving cab brake device reduces the risk of brake system failures, extends the life of downstream components, and ensures consistent braking performance. The robust construction of our Driving cab brake device minimises maintenance costs over the vehicle’s lifetime.
Aftermarket brake control systems often use substandard materials that degrade quickly, leading to air leaks and erratic brake feel. Our Driving cab brake device is built to the same rigorous standards as the original equipment, ensuring reliable and safe operation. Trust The part from howo Parts for your HOWO A7 8X4.
The part provides precise and responsive brake control, enhancing driver confidence and reducing stopping distances. Its robust design minimises the risk of sudden failure, contributing to overall vehicle safety. Regular maintenance of this device is key to safe and efficient operation.
Whether on highways, construction sites, or in extreme weather, The part delivers consistent performance. Its sealed construction protects against moisture and dust, while the flexible tubes maintain integrity under temperature fluctuations.
The manual control valve incorporates a fail‑safe spring that returns to the closed position if pressure is lost, ensuring that the brakes are not inadvertently applied. This safety feature, combined with robust sealing, makes The part a trustworthy component.
Our Driving cab brake device uses push‑to‑connect fittings and precision‑machined threads to ensure leak‑free joints. The use of high‑quality O‑rings and ferrules provides a reliable seal that withstands the vibration and pressure cycles typical of heavy truck operation.
The components of The part are arranged to minimise intrusion into the cab space, providing a clean and ergonomic layout. The plastic ties and rubber sheath ensure that tubes are neatly secured, enhancing the overall appearance and reducing noise.
Our online catalog provides comprehensive access to genuine SINOTRUK parts for all major vehicle lines — including HOWO, Sitrak, Steyr, and Yellow River series trucks. You can browse detailed specifications, original part numbers, and exploded-view diagrams for every assembly. Whether you are performing routine maintenance or planning a major overhaul, the catalog helps you quickly identify the correct components for your vehicle. When you become a SINOTRUK customer, we offer complimentary full‑access catalog services, ensuring you always have the latest product data and interchangeability information at your fingertips to support efficient fleet management and accurate parts ordering.