

The Sinotruk Howo 4×2-6×4 Hydraulic Steering System is a complete, power-assisted steering assembly engineered to provide effortless maneuverability and precise control for both 4×2 and 6×4 Sinotruk Howo trucks. As a core component within the trusted range of genuine Sinotruk Howo parts, this system integrates a hydraulic pump, steering gear, reservoir, and high-pressure hoses to multiply driver input, significantly reducing steering effort, especially when stationary or under heavy load. It is designed for durability and reliability, ensuring consistent performance in demanding conditions like construction sites and long-haul transport, thereby enhancing driver comfort and safety while protecting the vehicle’s steering linkage from excessive strain.
The Sinotruk Howo 4×2-6×4 Hydraulic Steering System is an integrated power steering solution that replaces traditional manual steering with a hydraulically assisted mechanism. At its core is a hydraulic pump (driven by the engine) that pressurizes fluid, a steering gearbox (like the ZF8098 or ZF8095 models listed) that converts this hydraulic pressure into mechanical force to turn the wheels, and an oil reservoir to store and cool the hydraulic fluid. This system is engineered for compatibility across both 4×2 and 6×4 chassis configurations, offering versatility for a wide range of Howo truck models. It dramatically reduces the physical effort required to steer, improving driver response time and reducing fatigue during long operations or in tight maneuvering situations.
Key operational components include the high-pressure delivery lines and hoses that transport fluid between the pump, gear, and reservoir, along with mounting brackets and drop arms that connect the steering gear to the vehicle’s wheel linkage. The system features robust fittings, clamps, and seals (like gaskets and spring protector rings) to prevent leaks and maintain consistent hydraulic pressure. By providing variable assistance based on steering wheel torque and vehicle speed, it offers a balanced feel—light effort at low speeds for parking, and firmer resistance at highway speeds for stability.
Maintenance of the Sinotruk Howo 4×2-6×4 Hydraulic Steering System is crucial for long-term reliability. Regular checks should focus on the hydraulic fluid level and condition, the integrity of high-pressure hoses for cracks or wear, and the tightness of all connections and mounting brackets. A failure in any component, such as a leaking hose or a worn pump, can lead to a complete loss of power steering assistance, making the vehicle extremely difficult to steer. Using the correct, genuine replacement parts as listed in the parameters table is essential to ensure system compatibility and performance.
In summary, this hydraulic steering system is a vital upgrade for safety and operability. It transforms the driving experience, making heavy trucks easier and safer to handle. For fleet managers, a reliable power steering system minimizes driver strain, reduces the risk of accidents due to slow steering response, and helps prevent damage to front-end components by allowing smoother, more controlled inputs. It represents a critical investment in both vehicle performance and operator well-being.
The following consolidated table details the comprehensive parts list for the Sinotruk Howo 4×2-6×4 Hydraulic Steering System, combining components from the main assembly and additional hydraulic elements. This list ensures accurate identification and sourcing for complete system maintenance, repair, or overhaul.
| No | Number of part | Designation |
|---|---|---|
| 1 | AZ9719470228 | Steering gear(ZF8098) |
| 1 | AZ9719470225 | Steering gear(ZF8095) |
| 1 | WC9176470150 | Steering gear(ZF8098) |
| 2 | AZ9719470029 | Delivery line |
| 2 | AZ9725470229 | Delivery line |
| 2 | AZ9716470050 | Delivery line |
| 3 | T071800 | Gasket |
| 4 | 190003962632 | Female screw |
| 5 | 252-3407054 | Gasket |
| 6 | 252-3407055 | Nut |
| 7 | 252-3407056 | Nozzle |
| 8 | 190003883242 | Nut |
| 9 | WC9100470078 | Nozzle |
| 10 | 190003989336 | Hose clamp |
| 11 | WC9725470050 | Rubber hose |
| 12 | AZ9716470060 | Rubber hose |
| 13 | T0717470015 | Spring protect ring |
| 14 | Q151B2045TF2 | Screw |
| 15 | WC9719470020 | Drop arm |
| 16 | WC9725470298 | Drop arm |
| 17 | WC9716470020 | Drop arm |
| 18 | Q150B0630 | Screw |
| 19 | Q340B06 | Nut |
| 20 | Q40206 | Washer |
| 21 | Q40306 | Spring washer |
| 22 | 1397 350169 | Angle |
| 23 | 190003489292 | Sleeve |
| 24 | Q68225 | clamp |
| 25 | Q150B0620 | Screw |
| 26 | Q340B06 | Nut |
| 27 | Q40306 | Spring washer |
| 28 | AZ9731470020 | Steering bracket |
| 29 | AZ9725470295 | Steering bracket |
| 30 | Q151B1660TF2 | Screw |
| 31 | 19000388627 | Nut |
| 32 | AZ9725470020 | Bracket assembly |
| 33 | A29725470025 | Bracket assembly |
| 34 | Q151B1020 | Screw |
| 35 | Q33210 | Nut |
| 36 | Q150B0835 | Screw |
| 37 | Q33208 | Nut |
| 38 | A29100470040 | Bracket |
| 39 | W09719470033 | Support |
| 40 | W09719470037 | Oil tank |
| 41 | W09619470080 | Hydraulic pump |
| 42 | W09631470060 | Hydraulic pump |
| 43 | Q21881025 | Gasket |
| 44 | Q21881035 | Screw |
| 45 | W09100470110 | Screw |
| 46 | W09100470076 | Screwing |
| 47 | W090098031 | Joint |
| 48 | W090098031 | Gasket |
| 49 | W090098031 | Female screw |
| 50 | W09100470107 | High pressure hose |
| 51 | W09202470140 | High pressure hose |
| 52 | A29716470070 | High pressure hose |
| 53 | W099289301 | Hose clamp |
| 54 | W09725470120 | Hose |
| 55 | A29725470175 | Hose |
| 56 | A29725470084 | Spring project ring |
| 57 | A29123360300 | Project sleeve |
Our Sinotruk Howo 4×2-6×4 Hydraulic Steering System is built to exacting OEM standards, utilizing premium components like ZF-brand steering gears and high-grade hydraulic pumps for unmatched reliability and performance. Every part, from the high-pressure hoses to the smallest bracket and gasket, is designed to work in perfect harmony, ensuring seamless integration with your Howo truck’s chassis. We subject the complete assembly and individual components to rigorous pressure, leakage, and endurance testing, guaranteeing they withstand the intense demands of daily commercial use. By choosing our system, you invest in effortless steering, enhanced safety, and long-term durability that protects your vehicle and driver.
We provide comprehensive support, including detailed installation manuals, parts breakdowns, and access to technical experts to ensure a smooth installation process and minimal vehicle downtime. Our hydraulic steering system is designed as a complete kit, including all necessary hardware and seals, which simplifies procurement and reduces the risk of compatibility issues. The robust design of components like the reinforced hoses and corrosion-resistant reservoir also extends service intervals and reduces the likelihood of roadside failures. Our commitment is to deliver not just a product, but a reliable solution backed by exceptional customer service.
Our competitive pricing offers outstanding value, making genuine Sinotruk Howo quality and compatibility accessible for fleet budgets and individual operators. We understand the need to control operational costs, and our efficient supply chain allows us to offer this critical system at a cost-effective price point without compromising on materials or performance. We also provide flexible purchasing options, volume discounts for fleets, and reliable shipping to ensure you get the parts you need promptly, helping maintain your operation’s efficiency and profitability.
Choosing our system means selecting a component group engineered specifically for the Sinotruk Howo platform, ensuring perfect fitment, optimal performance, and compliance with all vehicle specifications. This precision engineering results in predictable steering feel, reduced maintenance headaches, and a significant safety upgrade over mismatched aftermarket parts. Our focus on continuous improvement and incorporating feedback from the field means our products are constantly refined to meet the real-world challenges faced by truck operators. Trust in our expertise to provide the hydraulic steering performance that keeps your Howo truck safe, manageable, and productive on every job.
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.