

The Sinotruk Howo Brake Parts In Front Sect Of Chassis constitute a critical assembly of air brake system components located at the forward section of the truck frame, ensuring reliable braking force generation and distribution. This collection includes essential items like air dryers, reservoirs, valves, connectors, and piping that manage compressed air for both service and parking brake operations. As fundamental elements within the extensive range of Sinotruk Howo parts, these components are engineered for durability and precise performance under demanding conditions.
The Sinotruk Howo Brake Parts In Front Sect Of Chassis refer to a comprehensive group of air brake system components mounted on the forward section of the truck’s chassis frame. This assembly is responsible for generating, storing, regulating, and distributing compressed air to actuate the foundation brakes. Key components include the air dryer, multiple air reservoirs (wet and dry tanks), protection valves, check valves, drain valves, and various connectors and nozzles. This system ensures that clean, dry air at the correct pressure is available for immediate braking response, which is critical for vehicle safety and control.
This front-section assembly works in sequence: the air compressor feeds moist air into the air dryer, which removes moisture and contaminants. The clean air is then stored in primary and secondary reservoirs. The four-circuit protection valve distributes this air to separate circuits (front axle, rear axle, parking brake, auxiliary) to ensure system redundancy. Components like test connectors and drain valves allow for maintenance and moisture expulsion. The Sinotruk Howo Brake Parts In Front Sect Of Chassis is designed for different truck configurations (4×2, 6×4, 8×4, etc.), with reservoir capacities and layouts tailored to specific models and applications.
Construction of these parts involves high-strength materials such as corrosion-resistant steel for reservoirs and brass or alloy for valves and fittings. Each component is manufactured to precise tolerances to prevent air leaks and ensure reliable sealing under high pressure. The integration of optional ABS magnetic valves (WABCO or Knorr) highlights the system’s adaptability for advanced safety features. Proper installation and routing of pipes and hoses are crucial for efficient airflow and protection from physical damage, which is why protective sleeves are included in the assembly.
Maintenance of the Sinotruk Howo Brake Parts In Front Sect Of Chassis focuses on regular draining of reservoirs, checking for leaks, and replacing worn seals or valves. The air dryer cartridge must be serviced or replaced periodically to maintain air quality. This proactive upkeep prevents brake system failures, ensures consistent air pressure, and extends the life of downstream components like brake chambers. By understanding this assembly’s function, operators can better diagnose issues and maintain optimal braking performance, contributing to safer fleet operations.
| No | Number of part | Quantity | Description | Applicability | Designation |
|---|---|---|---|---|---|
| 1 | WC9100368471 | 1 | Air dryer | ||
| 2 | 190003559653 | 3 | Angle nozzle | ||
| 3 | 190003962612 | 1 | Female screw | ||
| 4 | WC99100770117 | 2 | Connector | ||
| 5 | Q72312175F | 2 | Gasket | ||
| 6 | 190003559385 | 1 | Nozzle | ||
| 7 | WC9000360112 | 2 | Check valve | ||
| 8 | 190003559963 | 3 | Nozzle | ||
| 9 | WC9719360001 | 1 | Air reservoir(SL+SL) | ||
| 10 | WC9100360044 | 2 | For tractor | Air reservoir(SL) | |
| 11 | 190003962038 | 5 | Screw | ||
| 12 | WC9114360010 | 5 | nozzle | ||
| 13 | WC9000360155 | 1 | Drain valve | ||
| 14 | 190003559946 | 3 | 4-circuit protecting valve | ||
| 15 | WC99100360115 | 1 | Angle nozzle | ||
| 16 | WC99100360161 | 1 | Distributor | ||
| 17 | 190003559948 | 4 | Nozzle | ||
| 18 | WC9000360314 | 1 | Test connector | ||
| 19 | WC9014362117 | 1 | S/6×4,5/4×2,K/4×2 | Air reservoir(Φ275/30L) | |
| 20 | WC9003550088 | 1 | S/6×2 | Air reservoir(40L) | |
| 21 | WC9003550098 | 2 | O/6×2 | Air reservoir(40L) | |
| 22 | WC9003550094 | 2 | O/4×2/6×4,K/6×4 | Air reservoir(30L) | |
| 23 | WC9014362009 | 2 | O/8×4,K/8×4 | Air reservoir(35L) | |
| 24 | 190003559955 | 6 | Angle nozzle | ||
| 25 | WC9003550087 | 1 | S/6×4,5/4×2,O/6×2 | Air reservoir(20L) | |
| 26 | WC9003550087 | 2 | O/4×2/6×4,8×4,K/6×4 | Air reservoir(20L) | |
| 27 | 190003559766 | 4 | K/4×2 | Air reservoir(20L) | |
| 28 | Q80408 | 2 | Nozzle | ||
| 29 | 190003962019 | 4 | Screw | ||
| 30 | AZ9100366156 | 1 | Nozzle | ||
| 31 | WC9000360140 | 2 | For Tractor | Screwy line | |
| 32 | 190003559490 | 3 | Nozzle | ||
| 33 | WC9000360170 | 1 | Tractor | Coupling | |
| 34 | WC9000360171 | 1 | Tractor | Coupling | |
| 35 | WC9000360188 | 1 | Tractor | Two way valve | |
| 31 | 190003559947 | 2 | Nozzle | ||
| 32 | 190003559483 | 1 | Dianbutor | ||
| 33 | WG9003550098 | 1 | S/6×4,S/6×2 | Air reservoir(40L) | |
| 33 | WG9014362009 | 1 | S/4×2 | Air reservoir(35L) | |
| 34 | WG9000360180 | 1 | Tractor | Trailer control valve | |
| 35 | WG17017360203 | 2 | Dis tributor | ||
| 36 | WG9000360100 | 1 | Diaphragm cylinder left | ||
| 37 | 190003903661 | 2 | Bolt | ||
| 38 | Q40114 | 2 | Washer | ||
| 39 | Q3004022 | 2 | Split pin | ||
| 40 | WG17017360450 | 2 | Brake hose | ||
| 40a | WG17017361000 | 2 | Screwy protecting sleeve | ||
| 40b | WG9123360300 | 900 | Protection sleeve(Φ30) | ||
| 40c | WG9123360200 | 900 | Protection sleeve(Φ20) | ||
| 41 | WG9100360112 | 1 | Screwing | ||
| 42 | 190003559496 | 2 | Screwing | ||
| 43 | WG9719180010 | 1 | Exhaust brake | ||
| 44 | WG99100560184 | 1 | Hose | ||
| 45 | WG99000560410 | Screwing | |||
| 46 | AZ9719360101 | 1 | Pipe(Air com pressor–hose) | ||
| 47 | AZ9719360103 | 1 | Pipe(Hose – Air dryer) | ||
| 48 | AZ9719360102 | 1 | Pipe(dryer – 4-cir.protection valve) | ||
| 49 | 190003559479 | 3 | Nozzle | ||
| 50 | WG9000360101 | 1 | Diaphragm cylinder right | ||
| 51 | 190003559482 | 1 | Nozzle | ||
| 52 | WG9100361003 | 2 | Screwing | ||
| 53 | WG99112280010 | 1 | Screwing | ||
| 54 | 190003559945 | 2 | Screwing | ||
| 55 | AZ9725360101 | 1 | Pipe(22 Hole of 4-cir.protection valve-reservior for rear axle) | ||
| 56 | AZ9725360103 | 1 | Pipe(21 Hole of 4-cir.protection valve-reservior for front axle) | ||
| 57 | AZ9725360106 | 1 | Pipe(24 Hole of 4-cir.protection valve-reservior for hand brake) | ||
| 60 | WG9718360002 | 2 | Option | WABCO/ABS magnetic valve | |
| 60 | WG9718360001 | 2 | Option | KNORR/ABS magnetic valve | |
| 60a | AZ9725360108 | 1 | For ABS | Pipe | |
| 60b | AZ9725360109 | 1 | For ABS | Pipe |
Our Sinotruk Howo Brake Parts In Front Sect Of Chassis are manufactured to exact OEM specifications using high-quality materials that ensure durability and reliable performance. Components like air reservoirs are made from corrosion-resistant steel, and valves feature precision machining for leak-free operation. This commitment to quality results in a system that withstands high pressure cycles, temperature variations, and harsh environmental conditions, reducing the frequency of failures and maintenance needs. By choosing our parts, you invest in longevity and consistent braking system performance.
We offer complete compatibility and ease of installation. Our brake parts are designed to match specific Sinotruk Howo models and configurations (4×2, 6×4, 8×4, tractor, etc.), ensuring a perfect fit without modifications. Each kit includes all necessary components, from major items like air dryers and reservoirs to small fittings and protective sleeves. Detailed installation guides and part number references simplify the replacement process, saving valuable time for mechanics and reducing vehicle downtime during repairs or upgrades.
Safety and system integrity are paramount in our design. The inclusion of a high-efficiency air dryer protects downstream components from moisture and oil contamination, which can cause brake valve freezing or corrosion. The four-circuit protection valve ensures system redundancy, so a failure in one circuit doesn’t compromise all brakes. Optional ABS-ready valves and piping allow for easy integration of advanced safety systems. Our parts help maintain optimal air pressure and distribution, which is critical for reliable brake actuation and overall vehicle safety.
Choosing our assembly provides excellent value through reduced operational costs and enhanced reliability. Durable components mean fewer replacements and less frequent maintenance, lowering the total cost of ownership over the vehicle’s life. We also offer competitive pricing and support for bulk orders, making our parts an economical choice for fleets and repair shops. With our focus on customer satisfaction and product quality, you gain a trusted supplier for critical brake system components, ensuring your Sinotruk Howo trucks remain safe and operational.
Complete Your Sinotruk Howo Brake System with Genuine Parts
The Sinotruk Howo Brake Parts In Front Sect Of Chassis are just one segment of a fully integrated braking system. We supply a comprehensive range of complementary components, including brake chambers, slack adjusters, air compressors, treadle valves, and ABS sensors. Using genuine Sinotruk Howo parts ensures system compatibility, optimizes performance, and maintains warranty coverage. Visit our online catalog to explore all available brake system parts and access technical resources for proper maintenance and troubleshooting.
Explore Full Brake SystemIf 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.