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Single-Axle Disc Brake System – Sitrak C7H

Single-Axle Disc Brake System for Sitrak C7H

The Single-Axle Disc Brake System is a comprehensive pneumatic control and actuation assembly designed for the Sitrak C7H heavy truck, integrating EBS3 rear axle modules, relay valves, brackets, fittings, and vibration‑damping components to deliver precise and reliable braking performance on a single axle.

This Single-Axle Disc Brake System includes the EBS3 module, relay valve, silencer, mounting brackets, fasteners, sealing elements, and pneumatic connectors – all engineered to work together seamlessly for optimal brake response and durability. The system is designed for easy installation and maintenance, ensuring consistent stopping power under all operating conditions.

For detailed fitment and compatibility information, please refer to the Sinotruk Catalog.

This Single-Axle Disc Brake System is a genuine OEM‑grade solution, ensuring perfect fitment and long‑term reliability for your Sitrak C7H, and is available for immediate worldwide delivery.

Bracket (EBS3 rear axle module and trailer control valve)

This bracket is a precision‑formed steel support that secures the EBS3 rear axle module and trailer control valve to the chassis. It is designed with multiple mounting holes and reinforced ribs to withstand the dynamic loads of braking and road vibration, ensuring stable and accurate positioning of the Single-Axle Disc Brake System components.

EBS3 rear axle module

The EBS3 rear axle module is an advanced electronic braking unit that controls the rear axle brake pressure based on driver input and vehicle dynamics. It integrates pressure sensors, solenoid valves, and a microprocessor to deliver precise, modulated braking, significantly improving the performance of the Single-Axle Disc Brake System.

Bracket (relay valve)

This dedicated bracket holds the relay valve securely in place, ensuring proper alignment with the air lines. Its robust construction and precise hole spacing guarantee that the relay valve operates without movement or vibration, contributing to the overall reliability of the Single-Axle Disc Brake System.

Relay valve

The relay valve amplifies the brake control signal, rapidly supplying air pressure to the brake chambers. It is a key component of the Single-Axle Disc Brake System, providing quick response and consistent braking force, even under emergency conditions.

Silencer (for relay valve)

The silencer is a noise‑reducing device attached to the relay valve exhaust port. It dampens the sound of expelled air, reducing cabin and external noise levels, while also filtering out contaminants to protect the valve internals of the Single-Axle Disc Brake System.

Hex flange nut M8

The Hex flange nut M8 is a self‑locking fastener with an integrated flange that provides a wide bearing surface. It is used to secure the brackets and modules, ensuring a vibration‑proof connection that maintains the integrity of the Single-Axle Disc Brake System over time.

U-shaped clamp plate

The U-shaped clamp plate is a fastening element that wraps around the air lines or brackets to provide additional securing force. Its design allows for easy adjustment and removal, facilitating maintenance of the Single-Axle Disc Brake System without disturbing adjacent components.

Hex flange bolt M8

The Hex flange bolt M8 is a high‑strength fastener with a built‑in flange that distributes clamping load. It is used to attach the brackets and modules to the chassis, providing a secure and durable mounting solution for the Single-Axle Disc Brake System.

Nut base NG12 (232 series)

This nut base is a threaded mounting block designed for the 232 series, providing a stable anchor for elastic components and tubing connections. Its robust construction ensures long‑term fastening reliability within the Single-Axle Disc Brake System.

Elastic component NG8

The Elastic component NG8 is a rubber isolator that dampens vibration and reduces noise transmission between the mounting brackets and the chassis. It enhances the durability of the Single-Axle Disc Brake System by minimising stress on rigid connections.

Clamp spring NG8

The Clamp spring NG8 is a retaining ring that secures the elastic component in place, ensuring it remains positioned correctly. Its spring‑steel construction maintains consistent tension, contributing to the stability of the Single-Axle Disc Brake System.

Nut base NG8

The Nut base NG8 is a threaded anchor for the smaller NG8 elastic components. It provides a secure mounting point that resists loosening, ensuring the reliable performance of the Single-Axle Disc Brake System.

Elastic component NG12

The Elastic component NG12 is a larger rubber isolator used for heavier components. It absorbs road shocks and reduces noise, protecting the Single-Axle Disc Brake System from premature wear due to vibration.

Clamp spring NG12

The Clamp spring NG12 is a heavy‑duty retaining ring for the NG12 elastic component. It ensures the isolator stays in place, maintaining the vibration‑damping function of the Single-Axle Disc Brake System.

Nut base NG12

The Nut base NG12 is a robust threaded base for the NG12 isolator assembly. It provides a strong foundation for mounting, ensuring the Single-Axle Disc Brake System remains securely fixed during operation.

Tube fixing bracket (MCY dual rear axle)

This bracket is specifically designed for MCY dual rear axle configurations, providing a secure anchoring point for the air and electrical tubing. Its design prevents chafing and maintains neat routing within the Single-Axle Disc Brake System.

Flat washer

The Flat washer is a simple load‑distributing ring used under bolt heads and nuts to protect surfaces and ensure even clamping. It is an essential hardware component of the Single-Axle Disc Brake System.

Spring washer

The Spring washer is a split‑ring lock washer that prevents bolted joints from loosening under vibration. It is used in critical fastening points of the Single-Axle Disc Brake System to maintain joint integrity.

Hex bolt (fine thread)

The Hex bolt (fine thread) offers precise clamping with a fine pitch thread, providing high tensile strength and resistance to loosening. It is used in high‑stress applications within the Single-Axle Disc Brake System.

Hex flange bolt M10

The Hex flange bolt M10 is a heavy‑duty fastener with an integral flange, used for mounting the main brackets and modules. Its high strength ensures the Single-Axle Disc Brake System remains securely attached.

Hex flange nut M10

The Hex flange nut M10 is a locking nut with a flanged base, providing a wide bearing surface and vibration resistance. It is used in conjunction with the flange bolt to secure the Single-Axle Disc Brake System components.

Right angle joint body NG12/NW9

The Right angle joint body NG12/NW9 is a 90‑degree pneumatic fitting that connects NG12 and NW9 tubing, enabling compact routing of air lines within the Single-Axle Disc Brake System while maintaining a leak‑free seal.

T-type three-way joint body 3-NW9

This T‑type three‑way joint body distributes air flow to three separate NW9 ports. It is used for branching pneumatic circuits, providing flexibility in the layout of the Single-Axle Disc Brake System.

T-type joint body NW9/NG12/TEST

This T‑type joint features NW9, NG12, and TEST ports, allowing for pressure testing and diagnostic connection without disrupting the main air circuit. It is a valuable addition to the Single-Axle Disc Brake System for maintenance purposes.

Plug NG12-M22X1.5

The Plug NG12-M22X1.5 seals unused ports on the valve or manifold, preventing air leakage and contamination. It is a simple but essential sealing component of the Single-Axle Disc Brake System.

Elbow joint body NG12/NW9 (232 series)

The Elbow joint body NG12/NW9 (232 series) is a 90‑degree fitting designed for the 232 series, offering a compact turn in the air line. It maintains full flow and sealing performance within the Single-Axle Disc Brake System.

Plastic tightening belt assembly

The Plastic tightening belt assembly is a cable tie used for bundling and securing wiring and tubing. It keeps the Single-Axle Disc Brake System tidy and prevents chafing, ensuring long‑term reliability.

Plastic tightening belt 2.4×92

This cable tie measures 2.4 mm width and 92 mm length, suitable for small to medium bundles. It is used for securing light wiring and small tubes within the Single-Axle Disc Brake System.

Plastic tightening belt 3.6×140

The 3.6×140 mm cable tie is larger and stronger, designed for heavy cable bundles and larger tubing in the Single-Axle Disc Brake System. Its robust construction ensures secure fastening.

Single-Axle Disc Brake System for Sitrak C7H

Product Parameters of Single-Axle Disc Brake System

NO.Part NO.Name
1712W51715-0073Bracket (EBS3 rear axle module and trailer control valve)
2WG9000360553EBS3 rear axle module
3712W51715-0074Bracket (relay valve)
4WG9000360524Relay valve
5WG9719360032Silencer (for relay valve)
6ZQ32008Hex flange nut M8
7712W51715-0064U-shaped clamp plate
8ZQ1840825TF6Hex flange bolt M8
9ZQ32008T13F6Hex flange nut M8
10WG9000361502Nut base NG12 (232 series)
11WG9000361004Elastic component NG8
12WG9000361005Clamp spring NG8
13WG9000361006Nut base NG8
14WG9000361007Elastic component NG12
15WG9000361008Clamp spring NG12
16WG9000361009Nut base NG12
17752W51715-0183Tube fixing bracket (MCY dual rear axle)
18Q40112Flat washer
19Q40312Spring washer
20Q151C1230Hex bolt (fine thread)
21ZQ1841025Hex flange bolt M10
22ZQ32010Hex flange nut M10
23WG9000361204Right angle joint body NG12/NW9
24WG9000361310T-type three-way joint body 3-NW9
25WG9000361406T-type joint body NW9/NG12/TEST
26WG9000361501Nut base NG8 (232 series)
27WG9000361012Plug NG12-M22X1.5
28WG9000361703Elbow joint body NG12/NW9 (232 series)
29WG9725360088Plastic tightening belt assembly
30811W97401-0580Plastic tightening belt 2.4×92
31811W97401-0746Plastic tightening belt 3.6×140

Why Choose Our Single-Axle Disc Brake System?

Advanced EBS3 Technology

Our Single-Axle Disc Brake System integrates the latest EBS3 rear axle module, providing superior braking precision and stability. The electronic control ensures optimal pressure modulation for shorter stopping distances and improved vehicle control.

This advanced technology enhances safety and reduces brake wear, making the Single-Axle Disc Brake System a smart investment for any fleet.

Durable and Corrosion‑Resistant Components

All brackets, fasteners, and fittings in the Single-Axle Disc Brake System are manufactured from high‑quality steel with protective coatings, ensuring long‑term resistance to rust and wear.

The elastomeric components are formulated to withstand temperature extremes and ozone, maintaining their performance over the system’s lifetime.

Complete Kit for Easy Installation

The Single-Axle Disc Brake System is supplied as a comprehensive kit with all necessary brackets, nuts, bolts, connectors, and cable ties, simplifying the installation process.

Pre‑assembled sub‑groups and clear labeling reduce assembly errors and save valuable workshop time.

Global Availability and Support

We maintain a large inventory of Single-Axle Disc Brake System kits to ensure fast delivery to customers worldwide, with prompt shipping and real‑time tracking.

Our technical support team is available to assist with installation queries, ensuring a smooth experience.

The Importance of a Reliable Brake System

The Single-Axle Disc Brake System is the foundation of vehicle safety. A well‑maintained and properly functioning brake system reduces stopping distances, prevents wheel lock‑up, and ensures stable handling during emergency maneuvers.

Regular inspection of the Single-Axle Disc Brake System is essential to identify worn components, air leaks, or loose connections before they lead to failure. Our system is engineered for easy serviceability, with accessible valves and standardized fasteners.

Thermal and Pressure Resistance

The Single-Axle Disc Brake System is designed to perform reliably in extreme temperatures and pressures. The EBS3 module and relay valve are rated for continuous operation at high ambient temperatures, while the polyamide tubing and elastomeric seals maintain their integrity under fluctuating pressure.

The metal components are treated to resist heat‑induced corrosion, ensuring that the Single-Axle Disc Brake System remains functional throughout the vehicle’s service life.

Installation Best Practices

When installing the Single-Axle Disc Brake System, begin by securely mounting the brackets to the chassis using the supplied hex flange bolts and nuts. Attach the EBS3 module and relay valve to their respective brackets, ensuring proper alignment with the air lines.

Connect the pneumatic fittings and polyamide tubing, making sure all joints are tight and leak‑free. Use the elastic components and clamps to dampen vibration, and secure all wiring and tubing with the provided cable ties. Test the system for leaks and correct function before road use.

Maintenance and Care

To keep your Single-Axle Disc Brake System in optimal condition, regularly inspect all pneumatic connections for signs of leakage or corrosion. Check the elastic components for cracking or loss of elasticity, and replace them if necessary.

Clean the exterior of the modules and valves with a mild solvent to prevent dirt accumulation, and verify that the silencer is not blocked. Periodically test the brake response and adjust the relay valve settings as per the vehicle manufacturer’s recommendations.

Compatibility with Sitrak C7H Models

This Single-Axle Disc Brake System is specifically designed for the Sitrak C7H, fitting both 4×2 and 6×4 configurations with single‑axle rear suspension. It is compatible with both standard and heavy‑duty chassis variants.

The mounting brackets and tubing lengths are tailored to the C7H frame, ensuring a direct replacement without modifications. Verify your vehicle’s axle type and brake system version before ordering.

Quality Assurance and Testing

Each component of the Single-Axle Disc Brake System undergoes stringent quality control, including pressure testing, dimensional verification, and material analysis. The EBS3 module is pre‑programmed and tested for correct communication with the vehicle’s CAN bus.

We simulate real‑world braking scenarios to ensure that the system delivers consistent and reliable performance under all operating conditions.

Fast Order Processing and Delivery

We keep a large stock of Single-Axle Disc Brake System kits to ensure immediate dispatch. Orders are typically processed within 24 hours, and tracking information is provided for every shipment.

Our global logistics network ensures that your parts arrive quickly, minimising vehicle downtime and keeping your fleet operational.

Cost‑Effective Investment

Upgrading to a genuine Single-Axle Disc Brake System is a cost‑effective way to improve braking performance and reduce maintenance costs. The durable components and advanced electronics extend service intervals and minimise unscheduled repairs.

The complete kit eliminates the need for multiple purchases, offering excellent value for money over the vehicle’s lifetime.

Genuine Parts for Long‑Term Reliability

Aftermarket brake system components often lack the precision and durability of genuine parts, leading to premature wear and potential safety risks. Our Single-Axle Disc Brake System is manufactured to the same standards as the original equipment, ensuring consistent quality and safety.

Choosing our genuine Single-Axle Disc Brake System guarantees a product that has been engineered for your Sitrak C7H, providing peace of mind and long‑term reliability.

Safety and Compliance

The Single-Axle Disc Brake System complies with all relevant safety and environmental regulations, including ECE R13 and ISO 7638. The EBS3 module includes built‑in diagnostics and fault logging, aiding in rapid troubleshooting and compliance with fleet maintenance programs.

Regular inspection of the system is recommended to maintain compliance and ensure the highest level of safety for drivers and other road users.

Advanced Manufacturing Technology

The Single-Axle Disc Brake System is produced using state‑of‑the‑art robotic assembly and automated testing equipment, ensuring consistent quality and precision. The valve bodies are machined from solid brass, and the electronic modules are assembled in clean‑room environments to prevent contamination.

This advanced manufacturing approach guarantees that every system meets the highest standards of performance and reliability.

Optimised for Serviceability

The layout of the Single-Axle Disc Brake System is designed for easy access to all service points. The relay valve and EBS3 module are positioned for straightforward inspection and replacement, and the use of standard fastener sizes simplifies tooling.

The cable ties and routing clips allow for neat bundling of wires and tubes, making future maintenance quicker and less error‑prone.

Customer Satisfaction Guarantee

We are committed to providing the highest quality Single-Axle Disc Brake System and supporting our customers with responsive service. If you have any questions or encounter any issues, our team is ready to assist.

Your satisfaction is our priority, and we strive to exceed your expectations with every order of the Single-Axle Disc Brake System.

Genuine Single-Axle Disc Brake System for Sitrak C7H • Complete with EBS3 module, relay valve, brackets, fittings, and hardware • OEM-quality, engineered for longevity

Online Catalog of SINOTRUK Parts

Learn More

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.

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