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


The Sinotruk Howo A7 Disc Brake represents an advanced braking system specifically engineered for heavy-duty commercial vehicles in the Howo A7 series. This sophisticated disc brake assembly features comprehensive P20WAL and P20WAR caliper configurations for left and right wheel applications, delivering exceptional stopping power and reliability under demanding operating conditions. The Sinotruk Howo A7 Disc Brake system incorporates cutting-edge technology to ensure optimal braking performance and enhanced safety for commercial transportation operations.
Designed with precision-engineered components including specialized caliper assemblies, moon-shaped bearing bases, manual adjustment mechanisms, and comprehensive sealing systems, this disc brake setup provides superior braking efficiency and heat dissipation capabilities. The advanced caliper design ensures even pressure distribution across brake pads, resulting in consistent braking performance and extended component lifespan. The system’s robust construction withstands the rigorous demands of heavy-load transportation across various terrain and weather conditions.
The Sinotruk Howo A7 Disc Brake system incorporates multiple safety features including protective sheaths, rubber gaskets, and specialized sealing components that prevent contamination and ensure reliable operation in challenging environments. The integrated manual adjustment assembly allows for precise calibration and maintenance, while the comprehensive piston assembly delivers consistent braking force application. This attention to detail ensures optimal performance throughout the brake system’s operational lifespan.
This advanced disc brake system plays a crucial role in vehicle safety, providing reliable stopping power that directly impacts operational efficiency and driver confidence. The specialized design accommodates the unique braking requirements of heavy-duty Howo A7 series trucks, ensuring consistent performance across various loading scenarios and driving conditions while minimizing maintenance requirements and operational downtime for fleet operators managing commercial transportation operations.
| NO. | Part NO. | Description |
|---|---|---|
| 1 | AZ9100443310 | P20WAL block assembly |
| 1.1 | AZ9100443313 | Block |
| 1.2 | WC9100443014 | Lining sheath |
| 1.3 | WC9100443043 | Spring |
| 1.4 | WC9100443040 | Manual operate assembly |
| 1.5 | WC9100443068 | Hand adjust base |
| 1.6 | WC9100443011 | O-ring |
| 1.7 | WC9100443069 | Rubber head |
| 1.8 | AZ9100443034 | Moon shape bearing base |
| 1.9 | WC9100443021 | Moon shape bearing base |
| 1.10 | WC9100443030 | Level assembly |
| 1.11 | AZ9100443021 | Lin |
| 1.12 | WC9100443224 | Rubber gasket |
| 1.13 | AZ9100443501 | Piston assembly |
| 1.14 | Q1840855TF2 | Hex flange face bolt 100 |
| 1.15 | AZ9100443004 | Block bridge |
| 1.16 | WC9100443019 | Lining sheath |
| 1.17 | Q21881645TF2 | Hex screw |
| 1.18 | AZ9100443002 | Bracket |
| 1.19 | AZ9100443031 | Pin |
| 1.20 | Q21881650TF2 | Hex screw |
| 1.21 | WC9100443016 | Pin cover |
| 1.22 | WC9100443017 | Protect sheath |
| 1.23 | WC9100443018 | Pin sheath |
| 1.24 | WC9100443066 | Press plate |
| 1.25 | Q151C1225TF2 | Hex bolt |
| 1.26 | Q40912 | Spring washer |
| 1.27 | WC9100443012 | Sign |
| 2 | AZ9100443410 | P20WAL block assembly |
| 2.1 | AZ9100443413 | Block |
| 2.2 | WC9100443014 | Pin sheath part |
| 2.3 | WC9100443043 | Spring |
| 2.4 | WC9100443040 | Manual ajust assembly |
| 2.5 | WC9100443068 | Hand adjust base |
| 2.6 | WC9100413011 | O-ring |
| 2.7 | WC9100413009 | Rubber head |
| 2.8 | AZ9100413023 | Moon shape bearing base |
| 2.9 | WC9100414022 | Moon shape bearing base |
| 2.10 | WC9100413030 | Level assembly |
| 2.11 | AZ9100413021 | Pin |
| 2.12 | WC9100413224 | Rubber gasket |
| 2.13 | AZ9100413501 | Piston assembly |
| 2.14 | Q1840835TFT2 | Hex flange face bolt 100 |
| 2.15 | AZ9100415004 | Block |
| 2.16 | WC9100413019 | Pin sheath part |
| 2.17 | Q2188145TFT2 | Hex screw |
| 2.18 | AZ9100413002 | Bracket |
| 2.19 | AZ9100413013 | Pin |
| 2.20 | Q2188145TFT2 | Hex screw |
| 2.21 | WC9100413046 | Pin plate part |
| 2.22 | WC9100413017 | Pin sheath |
| 2.23 | WC9100413048 | Pin cover |
| 2.24 | WC9100413050 | Presp plate |
| 2.25 | Q151C1235TFT2 | Hex bolt |
| 2.26 | Q40312 | Spring washer |
| 2.27 | WC9100413012 | Sign |
| 3 | WC9100413050 | Brake block assembly |
| 4 | WC9100413003 | Brake plate |
| 5 | WC9100464020 | Front plate brake air chamber |
| 6 | Q151820507TFT2 | Hex bolt |
| 7 | Q151820707TFT2 | Hex bolt |
Our Sinotruk Howo A7 Disc Brake system stands out through its comprehensive component integration and superior engineering precision. The complete assembly includes precisely matched components that work in perfect harmony to deliver reliable braking performance under the most demanding conditions. The advanced caliper design with specialized P20WAL and P20WAR configurations ensures optimal braking force distribution and heat dissipation, providing enhanced stopping power and reduced maintenance requirements for fleet operators managing heavy-duty Howo A7 series trucks in challenging transportation applications.
The specialized design of our Sinotruk Howo A7 Disc Brake ensures perfect compatibility with Howo A7 series trucks, providing optimal braking response and vehicle control. The precision engineering guarantees proper fitment and function within the braking system, maintaining correct alignment specifications and reducing the risk of premature wear on related components. The comprehensive sealing system and protective sheaths prevent contamination and ensure reliable operation in diverse environmental conditions, extending the service life of the entire braking system.
Manufactured from high-grade materials and subjected to comprehensive testing protocols, each component within our disc brake assembly delivers exceptional durability and performance reliability. The robust construction combined with high-strength fastening components ensures the assembly withstands the rigorous demands of heavy-load transportation, rough terrain operations, and continuous commercial use. The integrated manual adjustment mechanism allows for precise calibration and maintenance, providing fleet managers with confidence in component longevity and operational safety.
Choosing our Sinotruk Howo A7 Disc Brake guarantees optimal vehicle safety, braking precision, and operational efficiency. The advanced braking control provided by this system directly contributes to improved vehicle stability, reduced stopping distances, and enhanced overall safety during transportation operations. The reliable performance and comprehensive component integration make this disc brake assembly an essential investment for maintaining fleet operational readiness and minimizing unexpected downtime due to braking system failures in demanding commercial applications.
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