The Auxiliary Brake – Complete Pneumatic Control and Distribution Kit for HOWO Max 4X2

The auxiliary brake is a comprehensive pneumatic control and distribution assembly engineered specifically for the HOWO Max 4X2 tractor, providing critical air management for auxiliary braking, clutch actuation, and range-shift functions. This complete kit integrates a versatile auxiliary air module, precision joint bodies, high-quality polyamide pipes, brake plastic hoses,

and a full set of retaining and sealing elements, ensuring a leak-free, vibration-resistant pneumatic network. As genuine howo Parts, the auxiliary brake meets the highest OEM standards, delivering the reliability and responsiveness that professional drivers rely on for controlled deceleration and smooth gear changes.

Every component in this the auxiliary brake kit is manufactured to exacting tolerances, providing a robust, maintenance-ready pneumatic system that supports the vehicle’s advanced braking and transmission control functions.

The auxiliary brake integrates the Auxiliary air module NG12 / 6 – NG8, which serves as the central distribution manifold, along with Nut holder NG6, Circlip NG6, Elastic element NG6, Nut holder NG8, Circlip NG8, Elastic element NG8, Nut holder NG12, Circlip NG12, Elastic element NG12, and Plug NG8 – M16×1.5 for port sealing. The pneumatic circuit is completed with Brake plastic hose, Polyamide pipe (Φ16*2), and a variety of joint bodies: Straight-through joint body NG6 / NW4, Right-angle joint body NG8

/ NW6, Right-angle joint body NG6 / NW4, and Right-angle joint body NG12 / NW9. Each component is precision-engineered to work in harmony, providing a leak-free, organized, and serviceable air distribution network that ensures rapid and reliable actuation of the auxiliary brake and other pneumatic devices. This the auxiliary brake kit is the ideal solution for rebuilding or upgrading the pneumatic control system, eliminating leaks and restoring the crisp, responsive operation of the factory controls.

With the auxiliary brake, you can restore the full pneumatic performance of your HOWO Max 4X2, ensuring safe and controlled braking in all conditions. Trust in HOWO’s engineering and the quality of this the auxiliary brake to keep your truck operating at its peak.

The Auxiliary air module NG12 / 6 – NG8 is a compact manifold that serves as the central distribution hub for the auxiliary brake system. It features one NG12 inlet and six NG8 outlets, allowing for efficient routing of compressed air to multiple actuators and valves. Its precision-machined aluminum body ensures leak-free connections and long-term reliability, making it a cornerstone of the the auxiliary brake assembly.

The Nut holder NG6 is a retaining clip that holds nuts securely in position during assembly, preventing them from spinning and simplifying installation. In the auxiliary brake, it ensures that the fasteners for the module and fittings remain correctly aligned, reducing assembly time and ensuring reliable clamping force.

The Circlip NG6 is a hardened steel retaining ring used to secure components on shafts or in bores, preventing axial movement. Within the auxiliary brake, it locks fittings and valve stems in place, ensuring that the pneumatic connections remain secure under vibration and pressure fluctuations.

The Elastic element NG6 is a precision spring that provides tension and compensates for thermal expansion in pneumatic connections. It maintains consistent clamping force on fittings, preventing leaks and ensuring the long-term integrity of the auxiliary brake system.

The Nut holder NG8 serves the same function as its NG6 counterpart but for NG8-size fasteners. It ensures proper alignment and retention of nuts on the module and joint bodies, contributing to a secure and organized assembly of the auxiliary brake.

The Circlip NG8 provides secure retention for NG8 fittings and components, preventing axial displacement. It is a critical locking element in the auxiliary brake, ensuring that the pneumatic circuit remains intact and free from leaks caused by component movement.

This elastic element provides tension for NG8 connections, compensating for thermal expansion and vibration. It ensures that fittings remain tight, maintaining the air-tight integrity of the auxiliary brake system over its entire service life.

The Nut holder NG12 retains nuts for the larger NG12 fittings used in the auxiliary brake, ensuring secure fastening of the main manifold and heavy-duty connections. Its robust design withstands the higher torque required for larger fittings.

The Circlip NG12 provides positive locking for NG12 fittings and components, preventing axial movement under high pressure. It is an essential safety element of the auxiliary brake, ensuring that critical connections remain secure.

This spring provides tension for the larger NG12 connections, compensating for thermal expansion and maintaining clamping force. Its robust design ensures that the auxiliary brake remains leak-free under extreme temperature variations.

The Plug NG8 – M16×1.5 is a threaded sealing plug used to close unused ports on the manifold and joint bodies. Its O-ring provides a reliable seal, preventing air leaks and ingress of contaminants, maintaining the cleanliness and pressure integrity of the auxiliary brake system.

The Brake plastic hose is a flexible, reinforced nylon tube that carries compressed air to the auxiliary brake actuators. Its smooth inner bore minimizes pressure drop, while its tough outer sheath resists abrasion, oil, and heat, ensuring long-term reliability in the harsh under-chassis environment.

This high-quality polyamide pipe is the main air supply line for the auxiliary brake, featuring a 16mm outer diameter and 2mm wall thickness. Its excellent pressure resistance and flexibility make it ideal for routing compressed air across the chassis, ensuring reliable delivery to the auxiliary brake system.

This straight-through joint connects NG6 fittings to NW4 tubing, providing a direct, low-restriction path for compressed air. Its brass construction and precision threads ensure a leak-free connection, making it a versatile component of the auxiliary brake’s pneumatic network.

This right-angle joint allows a 90-degree turn in the air line while maintaining a secure NG8 to NW6 connection. Its compact design is ideal for tight spaces in the auxiliary brake system, enabling efficient routing of hoses around obstacles.

This joint provides a 90-degree turn for NG6 to NW4 connections, offering flexibility in routing smaller air lines. Its robust construction ensures a leak-free seal, making it a reliable component of the auxiliary brake’s distribution network.

This heavy-duty right-angle joint handles larger NG12 to NW9 connections, providing a 90-degree turn for the main air supply lines. Its robust brass body and precise threads ensure a leak-proof connection, making it essential for the high-flow sections of the auxiliary brake system.

The auxiliary brake – complete pneumatic control and distribution kit for HOWO Max 4X2

The auxiliary brake is the backbone of your HOWO Max 4X2’s pneumatic control system, providing the air distribution needed for auxiliary braking, clutch actuation, and range shifting. A leaky or poorly organized pneumatic network can lead to slow brake response, clutch drag, and erratic gear changes, compromising safety and drivability. Rebuilding with this complete the auxiliary brake kit restores the factory-level air distribution efficiency, ensuring that every pneumatic component receives the pressure it needs to perform reliably.

The Auxiliary air module provides the central distribution point, while the variety of joint bodies and hoses allow for flexible, organized routing around the chassis. The retaining rings and elastic elements keep every connection secure, and the plugs seal unused ports to prevent contamination. The polyamide pipes and brake hoses are chosen for their durability and resistance to the harsh under-vehicle environment, ensuring that the auxiliary brake system remains maintenance-free for long periods.

Installation of the auxiliary brake is straightforward for a skilled technician. The modular design allows for easy adaptation to different chassis layouts, and the color-coded fittings simplify identification. Regular inspection of the system is recommended to check for any signs of chafing or loosening, but the robust construction of these genuine components ensures that such maintenance is infrequent.

For fleet operators, standardizing on the auxiliary brake simplifies parts inventory and ensures consistent pneumatic performance across all vehicles. The durability of these components reduces the frequency of repairs, lowering total cost of ownership and improving vehicle uptime. Owner-operators will appreciate the peace of mind that comes from using genuine HOWO parts, knowing that their auxiliary brake system is protected by the highest-quality components.

The auxiliary brake is also compatible with the vehicle’s electronic control systems, ensuring that the pneumatic signals are delivered without delay for optimal braking and shifting performance. Its integration with the CAN bus and diagnostic systems allows for easy monitoring of air pressure and system health, further enhancing reliability.

In summary, the auxiliary brake is the definitive solution for rebuilding the pneumatic control and distribution system of your HOWO Max 4X2. Its comprehensive design, OEM-quality construction, and ease of installation make it the smart choice for any professional driver or fleet manager.

Choose the auxiliary brake for your next pneumatic service and experience the difference that genuine howo Parts make. This investment in reliability will pay dividends in brake performance, shift quality, and reduced downtime.

Order the auxiliary brake today and ensure that your HOWO Max 4X2 continues to deliver the dependable pneumatic performance that you expect. With this complete kit, you can restore your air distribution system to factory-new condition and drive with confidence.

Don’t compromise on pneumatic reliability – upgrade with the genuine the auxiliary brake and keep your HOWO Max 4X2 operating at its best.

The auxiliary brake – engineered for HOWO Max 4X2, delivering complete pneumatic control and distribution reliability.