

The Sinotruk Howo Steering Device is a complete and precision-engineered assembly responsible for translating driver input into directional control of the vehicle. As a fundamental component within the comprehensive range of genuine Sinotruk Howo parts, it encompasses the steering column, shaft, wheel, and associated linkages, ensuring responsive and reliable handling. This critical system is designed for durability and safety, providing the tactile feedback and stability necessary for maneuvering heavy-duty trucks in diverse driving conditions. Its robust construction minimizes play and vibration, contributing directly to driver confidence and overall road safety.
The Sinotruk Howo Steering Device is an integrated mechanical system that allows the driver to control the direction of the front wheels. It consists of several key sub-assemblies, including the steering wheel, steering column, steering shaft (often with a telescopic or universal joint design), and mounting brackets. This device interfaces with the truck’s steering gearbox or hydraulic power steering system to amplify the driver’s input force, making it possible to turn the heavy wheels with minimal effort. Its design prioritizes a direct and precise steering feel, which is crucial for safety during lane changes, cornering, and parking maneuvers, especially under load.
At the heart of the assembly is the steering column, which houses the main shaft and connects the steering wheel to the rest of the steering linkage. It incorporates critical safety features, such as a collapsible design to absorb energy in the event of a collision. Components like ball bearings, snap rings, and support brackets ensure smooth rotation and minimal friction. The device also often includes provisions for mounting ancillary controls, such as the turn signal switch, wiper controls, and ignition start switch, integrating multiple functions into a single, ergonomic unit for the driver’s convenience.
Regular maintenance and inspection of the Sinotruk Howo Steering Device are paramount for vehicle safety. Wear in components like the ball bearing, universal joints (gimbal assembly), or bushings can lead to steering play, vibration, or a loose feeling in the wheel, which compromises control. The detailed parts list, including specific screws, washers, and snap rings, allows for precise servicing and replacement, ensuring the entire system maintains its integrity and performs as the manufacturer intended.
Ultimately, the Sinotruk Howo Steering Device is more than just a collection of parts; it is the primary interface between the driver and the vehicle’s trajectory. A well-functioning steering system ensures predictable handling, reduces driver fatigue on long hauls, and is a legal requirement for roadworthiness. For fleet operators, investing in a genuine, high-quality steering device assembly is an investment in operational safety, driver satisfaction, and the prevention of costly accidents caused by steering failure.
The comprehensive parts list below details every component of the Sinotruk Howo Steering Device assembly. This table provides part numbers, quantities, and designations to facilitate accurate identification, ordering, and professional repair, ensuring the steering system is restored to its original specification and performance.
| No | Number of part | Designation |
|---|---|---|
| 1 | AZ9719470100 | Steering wheel |
| 2 | AZ9119583924 | Touch ring |
| AZ9719470050 | Steering tube assembly | |
| 3 | Q351B22T15 | Nut |
| 4 | Q41822 | Spring washer |
| 6 | Q43125 | Snap ring |
| 7 | AZ9003320012 | Ball bearing |
| 8 | AZ9719470053 | Steering shaft |
| 9 | WG9130583019 | Start switch |
| 10 | Q150B0530 | Screw |
| 11 | Q3450005 | Nut |
| 12 | S1 45801.0071 | Roller |
| 13 | S1 46433.0005 | Clip |
| 14 | AZ9719470051 | Sieve |
| 15 | AZ9123470129 | Spring |
| 16 | AZ9123470130 | Washer |
| 17 | AZ9100470424 | Support |
| 18 | Q150B0865 | Screw |
| 19 | AZ9719470041 | Cover of the steering column rear |
| 20 | Q2710412 | Screw |
| 21 | AZ9719470057 | Screw |
| Q40316 | Spring washer | |
| 22 | AZ9719470058 | Plate |
| 23 | AZ9719470059 | Adjusting screw |
| 24 | AZ9123470153 | Spring |
| 25 | AZ9719470052 | Bracket for electrical line |
| 26 | Q150B0408 | Screw |
| 27 | Q40304 | Spring washer |
| 28 | Q40104 | Washer |
| 29 | AZ9719470042 | Cover of the steering column front |
| 30 | Q2714250 | Screw |
| 31 | AZ9123470130 | Hand wheel |
| 32 | AZ9123470159 | Washer |
| 33 | AZ9719470054 | Sieve |
| 34 | AZ9719470056 | Support |
| 35 | Q150B0830 | Screw |
| 36 | Q340808 | Nut |
| 38 | Q40308 | Spring washer |
| 39 | Q40108 | Washer |
| 40 | A29003320013 | Ball bearing |
| 41 | Q43130 | Snap ring |
| 42 | 81.91710.0459 | Ring |
| 43 | Q43042 | Snap ring |
| 44 | A29719470043 | Gimbal -assembly |
| 45 | A29719470044 | Telescopic shaft |
| 46 | Q19980616 | Screw |
| 47 | Q340806 | Nut |
| 48 | Q40306 | Spring washer |
| 49 | Q40106 | Washer |
| 50 | A29719470045 | Bellow |
| 51 | A29719470046 | Plate |
| 52 | A29100470410 | Bush |
Our Sinotruk Howo Steering Device is manufactured to the strictest OEM tolerances using high-grade materials, ensuring perfect compatibility and reliable performance. Every component, from the forged steering shaft to the precision ball bearings, is selected for its durability and ability to withstand the constant stress of heavy-duty operation. The assembly undergoes comprehensive quality checks, including torque tests, rotational smoothness assessments, and material hardness verification. By choosing our steering device, you secure a critical safety system that delivers precise control, reduces driver effort, and enhances the overall handling characteristics of your Sinotruk Howo truck.
We provide unmatched support through detailed technical documentation, clear parts diagrams, and a responsive customer service team. Our steering device is engineered for straightforward installation, with all necessary hardware included, minimizing downtime and labor costs. The use of corrosion-resistant coatings and high-wear components extends service intervals and protects against premature failure. Our commitment to customer success means we offer expert guidance on installation and maintenance, helping you keep your fleet safe and compliant with minimal operational disruption.
Our competitive pricing structure offers exceptional value, making genuine Sinotruk Howo quality accessible for fleet managers and owner-operators alike. We understand the importance of cost control in the transportation industry and have optimized our supply chain to provide affordable solutions without compromising on quality or safety. We also offer flexible ordering options, volume discounts, and reliable global shipping to ensure you receive the parts you need, when you need them, keeping your trucks on the road and generating revenue.
Choosing our Sinotruk Howo Steering Device guarantees you are investing in a system designed and tested for the specific demands of your vehicle. This ensures optimal steering feedback, longevity, and safety, far surpassing the performance of generic aftermarket assemblies. Our dedication to continuous improvement and incorporating the latest engineering advancements means our products represent the current best practice in steering technology. Trust in our expertise to provide the reliability and precision your business depends on for safe, efficient, and profitable operations.
If 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.