The cab rear suspension is a comprehensive air suspension system for HOWO 4X2 tractor trucks. This complete kit includes every component needed to rebuild or upgrade the rear cab suspension, ensuring superior ride comfort and vehicle stability. The cab rear suspension is engineered to deliver optimal damping and load support.
The cab rear suspension integrates a wide range of precision components: Hexflange nut with teeth M14*1.5, Height Control Valve Assembly (VOSS), Hexagon toothed nut with flange M12*1.25, Hydraulic lock assembly (NX), T-type snap ring, Fastening snap ring, Hexagon toothed bolt with flange M12*1.25, Cotter pin, Hexflange nut M6, Hex bolt with serrated flange M14*1.5, Hexagon bolt with flange M10, Hexagon nut with flange M10, Flat washer, Hexflange nut M8, Suspension support bracket assembly, Hexagon bolt with flange M8, Hexagon bolt with flange, Noise reduction pin shaft, Rear shock absorber assembly (Air diameter 125), Lateral damping shock absorber, Rear suspension adjustment push rod assembly (NX), and Cab suspension bushing. Each part is designed to work in harmony for exceptional ride quality.
When you choose authentic howo Parts, you receive a cab rear suspension that meets all OEM specifications. This kit is manufactured using high-grade materials, ensuring corrosion resistance and long service life. The cab rear suspension is essential for maintaining driver comfort and vehicle safety.
The cab rear suspension is a direct replacement for original factory units, restoring optimal ride characteristics. With the cab rear suspension, you ensure smooth operation and reduced fatigue for every journey. This cab rear suspension is the trusted choice for professional fleets worldwide.
The Hexflange nut with teeth M14*1.5 is a prevailing-torque lock nut used in critical suspension joints. Its serrated teeth bite into the mating surface, preventing loosening under vibration. The flange distributes load evenly, protecting the bracket material. This nut is essential for securing the suspension support brackets and shock absorber mounts in the cab rear suspension.
The Height Control Valve Assembly (VOSS) is a precision pneumatic valve that maintains the correct cab ride height regardless of load. It automatically adjusts air pressure in the suspension bellows, ensuring consistent leveling. This VOSS valve is calibrated for the HOWO 4X2 and is a key component of the cab rear suspension, providing smooth and stable ride control.
This toothed flange nut is used with M12*1.25 bolts to secure various suspension brackets. Its integral teeth provide a mechanical locking action that resists vibration. The flange eliminates the need for a separate washer, simplifying assembly. This nut is widely used throughout the cab rear suspension for reliable fastening.
The Hydraulic lock assembly (NX) is a damping device that prevents uncontrolled oscillations in the suspension. It provides additional stability during cornering and braking, reducing cab sway. This component is integral to the cab rear suspension, enhancing ride comfort and safety.
The T-type snap ring is a retaining ring used to secure components onto shafts or within bores. Its T‑shaped cross-section provides secure retention and easy installation with standard pliers. This snap ring is used in the cab rear suspension to lock bushings and pins in place.
The Fastening snap ring is a heavy-duty retaining ring designed for high-load applications. It locks components axially, preventing unwanted movement. Used in the cab rear suspension to secure shock absorber mounts and bracket assemblies, this snap ring ensures long-term reliability.
This toothed flange bolt is a high-strength fastener used for attaching suspension brackets and components. Its toothed flange provides a self-locking feature, preventing loosening. The M12*1.25 size is standard for many mounting points in the cab rear suspension, ensuring a secure and durable connection.
The Cotter pin is a simple but vital locking device used to secure castellated nuts and pins. Its split ends are bent after installation, providing a mechanical lock. In the cab rear suspension, cotter pins are used on critical pivot joints to ensure safety and reliability.
The Hexflange nut M6 is a smaller flange nut used for lighter attachments such as sensor brackets or air line clips. Its flange provides a large bearing surface, preventing damage to thin materials. This nut is used in auxiliary mounting points of the cab rear suspension.
This heavy-duty bolt features a serrated flange that provides a locking action, ideal for high-vibration areas. It is used to secure the suspension support brackets and shock absorber mounts. The M14*1.5 size offers high clamping force, essential for the cab rear suspension’s structural integrity.
This flange bolt is used for medium-duty attachments in the cab rear suspension, such as the height control valve bracket. Its flange distributes load and eliminates the need for a separate washer, simplifying assembly and reducing part count.
The Hexagon nut with flange M10 is the matching nut for the M10 flange bolt. It provides a secure, vibration-resistant connection with a large bearing surface. This nut is used in conjunction with the bolt for reliable fastening in the cab rear suspension.
The Flat washer is a standard steel washer used under bolt heads and nuts to distribute load and protect surfaces. In the cab rear suspension, it is used where additional load distribution is needed, such as under the shock absorber mounting bolts.
The Hexflange nut M8 is a medium-sized flange nut used for attaching brackets and small components. Its flange provides a large bearing area, ensuring a secure fit. This nut is used in various locations of the cab rear suspension, including the support bracket assemblies.
The Suspension support bracket assembly is a heavy-duty steel bracket that mounts the air bellows and shock absorbers to the chassis. It is precision-welded and powder-coated for corrosion resistance. This bracket is a key structural element of the cab rear suspension, providing the foundation for the entire system.
This M8 flange bolt is used for lighter attachments such as the height control valve or air line clips. Its flange provides a reliable clamping surface, ensuring a tight connection. This bolt is part of the comprehensive cab rear suspension hardware set.
This general-purpose flange bolt is used in multiple locations where standard M8 or M10 fasteners are required. Its flange eliminates the need for washers, simplifying assembly. It is an essential fastener in the cab rear suspension for securing various brackets.
The Noise reduction pin shaft is a specially designed pivot pin that reduces squeaks and rattles in the suspension linkage. Its surface treatment and precise fitment ensure quiet operation. This pin shaft contributes to a quieter cabin environment, improving driver comfort.
The Rear shock absorber assembly (Air diameter 125) is a heavy-duty air shock that provides damping for the cab rear suspension. With a 125mm air chamber, it delivers excellent vibration isolation and load control. This shock absorber is crucial for maintaining ride quality and vehicle stability.
The Lateral damping shock absorber controls side-to-side movement of the cab, reducing body roll during cornering. It complements the main rear shocks to provide balanced handling. This shock absorber is an integral part of the cab rear suspension, enhancing stability and safety.
This push rod assembly is used to adjust the ride height and alignment of the cab rear suspension. It features adjustable length for precise tuning of the suspension geometry. The NX designation indicates its compatibility with the lock assembly, ensuring consistent performance.
The Cab suspension bushing is a resilient rubber or polyurethane mount that isolates the cab from chassis vibrations. It provides a cushion between the cab and the suspension brackets, reducing noise and harshness. These bushings are critical for long-term comfort and are included in the cab rear suspension kit.
Cab rear suspension – Complete Air Suspension Kit for HOWO 4X2
| Material Encoding | Name |
|---|---|
| ZQ32514T13F6 | Hexflange nut with teeth M14*1.5 |
| AZ16D443000014 | Height Control Valve Assembly (VOSS) |
| ZQ32512T13F6 | Hexagon toothed nut with flange M12*1.25 |
| YG1671440038 | Hydraulic lock assembly (NX) |
| YG1671440056 | T-type snap ring |
| YG1671440057 | Fastening snap ring |
| ZQ1811280TF6 | Hexagon toothed bolt with flange M12*1.25 |
| Q5002016 | Cotter pin |
| ZQ32006T13F6 | Hexflange nut M6 |
| ZQ1811485TF6 | Hex bolt with serrated flange M14*1.5 |
| ZQ1841025TF6 | Hexagon bolt with flange M10 |
| ZQ32010T13F6 | Hexagon nut with flange M10 |
| Q401B06 | Flat washer |
| ZQ32008T13F6 | Hexflange nut M8 |
| AZ160044000051 | Suspension support bracket assembly |
| ZQ1840850TF6 | Hexagon bolt with flange M8 |
| ZQ1841235TF6 | Hexagon bolt with flange |
| YG1671440041 | Noise reduction pin shaft |
| YG1671440037 | Rear shock absorber assembly (Air diameter 125) |
| YG1671440042 | Lateral damping shock absorber |
| YG1671440059 | Rear suspension adjustment push rod assembly (NX) |
| AZ160043000025 | Cab suspension bushing |
The cab rear suspension includes every fastener, bracket, shock, and valve needed for a complete overhaul. No separate parts sourcing required – save time and ensure perfect compatibility with HOWO 4X2 specifications.
With premium shocks, a precise height control valve, and advanced dampers, this cab rear suspension dramatically reduces cab vibration and body roll. Enjoy a smoother, more comfortable ride that reduces driver fatigue and enhances safety.
Every bracket and fastener is pre-sized and matched to the original HOWO 4X2 chassis. The kit includes detailed torque specifications and assembly diagrams, allowing even less experienced technicians to perform a professional installation with confidence.
This cab rear suspension is manufactured to OEM standards and is compatible with all HOWO 4X2 variants. Backed by our international distribution and technical support, you can order with confidence, knowing help is always available.
The cab rear suspension is the culmination of extensive research and development, aimed at providing the ultimate in ride comfort and durability. The air bellows are designed to offer progressive spring rates, adapting to varying loads while maintaining a constant ride height. The VOSS height control valve ensures that the system responds instantly to load changes, keeping the cab level and stable.
The damping system, comprising the rear shock absorbers and lateral damper, works in unison to control both vertical and horizontal movements. This results in a significant reduction in cab oscillation, improving driver comfort and reducing fatigue on long hauls. The use of hydraulic lock assemblies further enhances stability during extreme maneuvers.
Every component is selected for its ability to withstand the harsh conditions of heavy-duty trucking – from extreme temperatures to road salt and vibration. The brackets are made from high-strength steel and powder-coated for corrosion resistance. The bushings are formulated to resist aging and maintain their damping properties over millions of cycles.
Each cab rear suspension component undergoes rigorous quality checks. Shock absorbers are dyno-tested to verify damping force curves. Air springs are pressure-tested for leakage. All fasteners are checked for thread quality and tensile strength. Brackets are inspected for weld integrity and dimensional accuracy.
We also perform complete assembly tests on representative samples, cycling the suspension through its full travel to ensure all parts work together without interference. Vibration testing and thermal cycling are conducted to validate the durability of elastomeric components. These tests guarantee that the cab rear suspension delivers consistent performance over the vehicle’s lifetime.
Our quality management system is certified to IATF 16949, and each kit is fully traceable. This ensures that any potential issue can be quickly identified and resolved, maintaining the high standards our customers expect.
Investing in a genuine cab rear suspension reduces long-term maintenance costs by preventing premature wear of related components such as cab mounts and steering linkages. The improved damping and leveling also contribute to more even tire wear and better fuel efficiency due to reduced aerodynamic drag from a level cab.
For fleet operators, this kit simplifies parts inventory by consolidating dozens of individual part numbers into one comprehensive package. The included hardware eliminates the need for separate washer and nut orders, reducing procurement complexity and ensuring that workshops have everything needed for a complete repair.
Driver satisfaction is also a key benefit – a quiet, smooth-riding cab leads to less fatigue and improved driver retention, which is critical in today’s competitive trucking industry. The cab rear suspension is a small investment with outsized returns in driver comfort and vehicle uptime.
The cab rear suspension is designed to be a direct bolt-on replacement for the original factory system. All brackets, bolts, and bushings are dimensionally identical to the OEM parts, requiring no modifications to the chassis or cab. The installation can be completed with standard hand tools and typical workshop equipment.
Maintenance is straightforward – the air bellows can be inspected visually, and the shocks can be replaced individually if needed. The height control valve is accessible for adjustment or cleaning, and the bushings can be replaced without removing the entire suspension. This modularity reduces downtime and simplifies service operations.
The included snap rings and cotter pins are designed for easy removal and reinstallation, further simplifying repair work. With the cab rear suspension, you get a system that is not only high-performing but also easy to live with over the long haul.
Each cab rear suspension kit includes an installation manual that covers assembly torque values, component identification, and alignment procedures. This ensures that the system is installed correctly for optimal performance and safety.
Our technical support team is available to answer questions about the cab rear suspension, from verifying compatibility to troubleshooting ride quality issues. We also provide online video resources and FAQ sections to assist DIY enthusiasts and professional mechanics alike.
With the cab rear suspension, you are investing in a complete solution backed by dedicated support, ensuring that your HOWO 4X2 continues to deliver a superior driving experience for years to come.
The cab rear suspension is the ultimate solution for restoring or upgrading the rear air suspension of your HOWO 4X2 tractor. With its complete kit of genuine components – including shocks, valves, brackets, and all hardware – this system delivers unmatched ride comfort, stability, and durability. Choose the cab rear suspension for your fleet and experience the difference that genuine HOWO quality delivers.
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