The HW8X4 chaiss brake device is the complete pneumatic braking system for the HOWO A7 8X4 chassis, integrating air reservoirs, valves, fittings, and tubing to ensure reliable and responsive braking. This HW8X4 chaiss brake device delivers consistent air pressure to all brake chambers, enhancing safety and control. Every component of this HW8X4 chaiss brake device is engineered for durability and precision, making it the backbone of the vehicle’s stopping power.
At howo Parts, we supply the genuine HW8X4 chaiss brake device assembly that meets OEM standards. Our HW8X4 chaiss brake device includes air reservoirs, valves, fittings, tubes, and all necessary hardware, each manufactured to exacting tolerances for leak‑free operation and long service life.
Proper air supply is essential for braking performance, and the HW8X4 chaiss brake device plays a central role in maintaining system pressure and response. Regular inspection and timely replacement of HW8X4 chaiss brake device components will prevent air leaks, pressure drops, and brake fade. Trust our HW8X4 chaiss brake device to keep your HOWO A7 8X4 stopping safely for millions of kilometres.
This large air reservoir (Φ275×35L) stores compressed air for the HW8X4 chaiss brake device, providing ample volume for multiple brake applications. Its robust steel construction resists corrosion and pressure fatigue.
The PlugNG12-M22X1.5105 seals unused ports on the air dryer and valve bodies, preventing air leaks and contamination. It is a critical sealing element of the HW8X4 chaiss brake device.
This drain valve allows accumulated moisture to be expelled from the air reservoirs, protecting the HW8X4 chaiss brake device from internal corrosion and freezing.
This 90‑degree fitting connects NG12 and NW9 tubes, enabling compact routing in the HW8X4 chaiss brake device. Its precision threads and sealing ensure leak‑free operation.
This ferrule‑style 90° joint provides a metal‑to‑metal seal for high‑pressure lines in the HW8X4 chaiss brake device, ensuring durability and vibration resistance.
A compact 90° elbow for NG8 and NW6 connections, commonly used for small‑bore control lines in the HW8X4 chaiss brake device. Its brass construction resists corrosion.
The air drier removes moisture and contaminants from the compressed air, protecting the HW8X4 chaiss brake device from corrosion and ensuring consistent brake performance.
This L‑shaped tee allows branching of air lines with NG12, NW12, and M12×1.5 ports, offering flexible routing options for the HW8X4 chaiss brake device.
This fitting provides a test port for checking system pressure, essential for diagnosing the HW8X4 chaiss brake device during maintenance.
A straight compression fitting that provides a reliable metal‑seal connection for high‑pressure tubes in The part, suitable for harsh environments.
A 90° elbow for large‑diameter lines (NG12/NW12), used to change direction in The part while maintaining full flow capacity.
This valve divides the air supply into four independent circuits, ensuring that a leak in one circuit does not compromise the others within The part.
A medium‑sized reservoir (Φ246×20L) for auxiliary circuits, providing additional storage capacity for The part.
A straight union for joining NG12 and NW12 tubes, used for simple connections in The part.
An L‑shaped tee for NW6, NW9, and NW9 ports, enabling compact branching in the control circuit of The part.
A 90° elbow for NG12 to NW6 connections, commonly used to change direction in The part while maintaining high flow capacity.
A dual‑chamber reservoir with 20+5 litre capacities, providing separate storage for primary and secondary circuits in The part.
A fine‑thread hex bolt used for precise clamping in The part, offering high strength and resistance to loosening.
A standard flat washer used under bolt heads and nuts to distribute load and protect surfaces in The part.
A split‑ring lock washer that prevents fasteners from loosening under vibration, essential for The part.
A standard hex bolt used for general fastening of brackets and components in The part.
Another hex bolt variant, slightly longer, used for mounting heavier components of The part.
A spacer sleeve used to maintain correct spacing between components in The part assembly.
A high‑strength hex bolt used for critical mounting points in The part, such as reservoir brackets.
A strap assembly that secures the air reservoir to its bracket, ensuring The part remains firmly mounted.
A standard hex nut used with bolts for clamping components of The part.
A cylindrical pin used as a pivot or alignment dowel in the HW8X4 chaiss brake device mounting hardware.
A split pin that locks castle nuts in place, preventing them from loosening in the HW8X4 chaiss brake device.
Another strap assembly for securing smaller reservoirs or components of the HW8X4 chaiss brake device.
A hex bolt used for mounting the air dryer and other accessories in The part.
A type 1 hex nut, standard for metric fasteners, used throughout The part assembly.
A strap assembly for the largest reservoir, ensuring secure attachment in The part.
A tension pin used in the fastening belt system to provide secure locking of The part components.
Another tension pin variant, used for adjustable fastening in The part.
A socket head cap screw used in tight spaces within The part, providing a flush finish.
Flexible nylon tubing (8 mm OD, 1 mm wall) used for control lines in The part.
Larger nylon tubing (12 mm OD, 1.5 mm wall) for main supply lines in The part.
A pre‑assembled tube with hose and straight joint, 1220 mm long, for connecting the air dryer to the reservoir in The part.
A nut used to secure tube connections, ensuring leak‑free joints in The part.
A compression ferrule that creates a metal‑to‑metal seal in tube fittings, critical for The part.
A low‑profile nut for M22×1.5 threads, used where space is limited in The part.
A support washer for M22 threads, providing additional load distribution in The part.
An O‑ring seal (20.3×2.4 mm) used at threaded connections to prevent air leaks in The part.
A rubber isolator that damps vibration from the air dryer, protecting The part from mechanical stress.
A spring clamp that secures the elastic component, ensuring it remains in place within The part.
A threaded base for mounting the elastic component, providing a stable anchor in The part.
A larger rubber isolator used for the main reservoir, reducing vibration transmission in The part.
A spring retainer for the larger elastic component, ensuring secure mounting in The part.
A threaded base for the larger elastic component, providing robust support in The part.
A T‑shaped fitting with NW9, NG12, and NG6 ports, used for branching in The part.
A straight union for NG8 to NW6 connections, used for control line extensions in The part.
A protective sleeve for routing tubes and wires, preventing chafing in The part.
A spiral wrap that organises and protects tube bundles in The part.
A standard hex nut used in various fastening points of The part.
A hex nut with a larger bearing surface, used for heavy‑duty applications in The part.
A general‑purpose bolt used for attaching brackets in The part.
A type I hex nut, standard metric, used throughout The part assembly.
A hex bolt for mounting the air dryer bracket and other accessories in The part.
A mounting bracket for the air dryer, securing it to the chassis as part of The part.
Another reservoir assembly variant used in The part for additional air storage.
A further reservoir option for specific chassis configurations of The part.
Large‑diameter nylon tubing (16 mm OD, 2 mm wall) for high‑flow supply lines in The part.
A protective rubber cover for tube bundles, preventing abrasion in The part.
A cable tie used for bundling and securing tubes and wires in The part.
A general‑purpose clamp for securing hoses and tubes in The part.
A flexible rubber hose with 15/21 mm diameters, used for air connections in The part.
An L‑shaped bracket for mounting various components of The part to the chassis.
A support plate that reinforces mounting points for heavy components in The part.
| Part NO. | Description |
|---|---|
| WG9000360704 | AirreservoirassemblyΦ275/35L36 |
| WG9000361012 | PlugNG12-M22X1.5105 |
| WG9000361402 | wateroutletvalve58 |
| WG9000361204 | RightanglejointNG12/NW997 |
| WG9100362002 | Ferrule right angle joint178 |
| WG9000361201 | RightanglejointNG8/NW691 |
| WG9000360521 | Air drier |
| WG9000361301 | Lshape three-wayjointNG12/NW12/M12×1.587 |
| WG9000361401 | Pressure testjointassembly89 |
| WG9100362001 | Ferrule straight joint176 |
| WG9000361203 | RightanglejointNG12/NW1295 |
| WG9000360523 | Fourcircuitprotectvalve |
| WG9000360700 | AirreservoirassemblyΦ246/20L40 |
| WG9000361110 | StraightjointNG12/NW12101 |
| WG9000361323 | Lshape three-wayjointNW6/NW9/NW9107 |
| WG9000361202 | RightanglejointNG12/NW693 |
| WG9000360712 | AirreservoirassemblydoublechamberΦ246/20+5L20 |
| Q151C1230 | Hexbolt(finescrew)4 |
| Q40112 | Flatwasher |
| Q40312 | Springwasher |
| Q150B1025 | Hexbolt14 |
| Q340B10 | Hexbolt18 |
| WG93 250096 | Sleeve25 |
| Q150B1065 | Hexbolt27 |
| WG9731360005 | Tightenbeltassembly28 |
| Q340B10 | Hexnut32 |
| Q5101048 | Pinrod33 |
| Q5003214 | Cotter |
| WG9719360024 | Tightenbeltassembly38 |
| Q150B0835 | Hexbolt46 |
| Q340B08 | 1shapehexnut |
| WG99112270012 | Tightenbeltassembly50 |
| WG90910017 | Strainpin |
| WG700550013 | Tensionpin |
| Q218B0880 | Innerhexcyclinderbolt57 |
| 50003179781 | Polyamide tube(Φ8*1)60 |
| 50003179785 | Polyamide tube(Φ12*1.5)61 |
| AZ9731360112 | Tube15assemblyhose/straightjoint(length1220mm)65 |
| 50003559515 | tubeconnectionnut66 |
| 50003559562 | Ferrule67 |
| WG9000361015 | Hexagonal thin nut M22X1.5 |
| WG9000361016 | SupponitwasherM22X1.571 |
| WG9000361017 | Orings20.3X2.473 |
| WG9000361004 | ElasticcomponentNG875 |
| WG9000361005 | ClampNG877 |
| WG9000361006 | NutbaseNG879 |
| WG9000361007 | ElasticcomponentNG12181 |
| WG9000361008 | clampspringNG1283 |
| WG9000361009 | NutbaseNG1285 |
| WG9000361306 | TshapedgejointNW9/NG12/NG69 |
| WG9000361106 | StraightjointNG8/NW6103 |
| 500031797046 | Stringing sheath |
| WG17017361000 | Spiral sheathtube111 |
| Q40106 | Hexnut132 |
| Q340B10 | Ishapechexnut135 |
| Q150B1225 | Bolt137 |
| Q340B12 | ItypeHexnut |
| Q150B1035 | Hexbolt142 |
| WG9719360014 | Airdriverbracket147 |
| WG9731360002 | Airreservoirassembly153 |
| WG9100360104 | Airreservoirassembly164 |
| WG90003170002 | Polyamide tube(Φ16*2)172 |
| WG9125362010 | Rubber sheath180 |
| AZ9003179032 | Stringing sheath |
| WG90003171390 | PlastictightenbeltB5*180189 |
| WG85 770036 | Clamp |
| WG1000060211 | Rubber hose(Φ15/Φ21)193 |
| WG9100360164 | Anglebracket197 |
| 103WG80360083 | Supportplate211 |
Our HW8X4 chaiss brake device is manufactured to original equipment specifications, ensuring perfect fit and reliable operation. Every component is tested for pressure integrity and durability, delivering the same performance as the factory‑installed system.
The HW8X4 chaiss brake device uses high‑grade steel reservoirs, brass fittings, and zinc‑plated fasteners to resist corrosion and withstand harsh environments, ensuring long‑term reliability.
Our HW8X4 chaiss brake device includes all reservoirs, valves, fittings, tubing, and hardware for a straightforward replacement, reducing downtime and workshop costs.
We maintain a comprehensive inventory of HW8X4 chaiss brake device parts for fast worldwide delivery. Our technical experts provide installation guidance and troubleshooting support.
The HW8X4 chaiss brake device is the pneumatic foundation of the braking system. Any leak or restriction in this device can lead to reduced braking power, increased stopping distances, and safety risks. Regular inspection and using genuine parts are essential for reliable operation.
The HW8X4 chaiss brake device is built to withstand temperature extremes, moisture, and road salts. The air reservoirs are coated for corrosion protection, and the polyamide tubes resist ageing and abrasion, ensuring reliable service life.
When installing the HW8X4 chaiss brake device, always use new O‑rings and sealing washers. Tighten all fittings to the specified torque to prevent air leaks. Proper assembly ensures optimal performance and safety.
We recommend inspecting the HW8X4 chaiss brake device every 50,000 km. Check for air leaks, cracked tubes, and corroded fittings. Replace any deteriorated components immediately to maintain braking efficiency.
Our HW8X4 chaiss brake device is specifically engineered for the HOWO A7 8X4 chassis, matching the factory routing and connection points. It is a direct replacement for the original equipment.
Each component of the HW8X4 chaiss brake device is pressure‑tested and inspected. We offer a comprehensive warranty against material and workmanship defects.
We keep a large stock of HW8X4 chaiss brake device kits and individual parts for immediate dispatch. Bulk orders are welcome with volume discounts.
Investing in a genuine HW8X4 chaiss brake device reduces maintenance frequency and prevents brake performance issues. The durable construction ensures lower total cost of ownership.
Aftermarket brake devices often use substandard materials, leading to leaks and early failure. Our HW8X4 chaiss brake device is built to the same rigorous standards as the original, ensuring safety and reliability.
A reliable HW8X4 chaiss brake device ensures consistent brake response, reducing driver fatigue and enhancing overall vehicle control. Regular maintenance is key to safe operation.
Whether on highways, construction sites, or in extreme weather, the HW8X4 chaiss brake device delivers consistent air pressure. Its robust construction resists environmental factors, ensuring reliable braking year‑round.
The HW8X4 chaiss brake device incorporates redundant sealing and secure clamping to prevent catastrophic air loss. Its fail‑safe design ensures that even if a component fails, partial braking remains possible.
Our HW8X4 chaiss brake device uses precision‑machined ferrules and O‑rings to create air‑tight seals. The tube fittings and clamps minimise leakage points, maximising system efficiency.
The layout of the HW8X4 chaiss brake device components is designed for easy access during servicing. The brackets and clamps allow quick removal and installation, reducing workshop time.
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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