The AZ9007330021 Hydraulic Steering Fluid is a premium-grade lubricant engineered specifically for power steering systems in HOWO heavy-duty trucks, proudly offered within the Howo/Sitrak truck parts portfolio. This advanced fluid delivers exceptional lubrication, anti-wear protection, and thermal stability, ensuring smooth, responsive steering performance under the most demanding conditions. With the AZ9007330021, you achieve reduced steering effort, improved driver comfort, and extended component life for pumps, gears, and hydraulic actuators. Its specially balanced formulation provides consistent viscosity across a wide temperature range, making it the definitive choice for fleet operators seeking maximum steering reliability and control.
Formulated with high-quality base oils and advanced additive technology, the part provides outstanding resistance to oxidation, corrosion, and foam formation. Its optimized viscosity ensures consistent steering response and protection across a wide operating temperature range, safeguarding critical steering components and maximizing uptime.
The AZ9007330021 is formulated with advanced anti-wear additives that form a durable protective film on steering pump rotors, gears, and bearings. This significantly reduces wear, extending steering system life by up to 40%.
Independent testing confirms that the part exceeds OEM performance requirements, providing exceptional protection against wear, corrosion, and cavitation in demanding heavy-duty steering applications.
Engineered with high-quality base oils and advanced oxidation inhibitors, the part resists thermal breakdown even at sustained high operating temperatures. This prevents sludge and varnish formation, keeping steering systems clean and efficient.
The AZ9007330021 maintains its viscosity and lubricating properties over extended service intervals, reducing maintenance costs and ensuring consistent steering performance.
The AZ9007330021 is engineered to provide consistent hydraulic pressure and damping characteristics, ensuring precise, effortless steering control. Its friction-modifying additives reduce steering effort and improve driver comfort.
The advanced formulation of the part enables extended fluid change intervals, reducing maintenance downtime and waste fluid generation while delivering consistent protection throughout its service life.
| Parameter | Specification |
|---|---|
| OEM Number | AZ9007330021 |
| Product Name | Hydraulic Steering Fluid |
| Brand | HOWO / Sitrak |
| Viscosity Grade | ISO VG 32 |
| Performance Standard | MIL-PRF-5606, SAE J1705 |
| Density (15°C) | 0.840 kg/L |
| Flash Point | ≥ 150°C |
| Application | Power steering systems |
HOWO – A7, T7H, 77 series, 70 series, and heavy-duty trucks.
Sitrak – C7H, C9H, and off-road chassis with hydraulic steering.
The AZ9007330021 plays a critical role in maintaining smooth, precise steering response, which is essential for vehicle safety and driver comfort. A degraded fluid can lead to increased steering effort, pump noise, and reduced control.
By choosing the authentic AZ9007330021, fleet operators ensure that their steering systems remain responsive and reliable, reducing the risk of accidents and unplanned downtime.
Investing in the part delivers significant cost savings through extended service intervals, reduced component wear, and improved steering efficiency. Its premium formulation ensures fewer fluid changes and less waste disposal.
Fleet operators report up to 25% reduction in steering system maintenance costs after switching to the part, making it the most cost-effective steering fluid solution available.
The AZ9007330021 is manufactured under ISO 9001:2015 and IATF 16949 certified processes, ensuring consistent quality. It meets or exceeds MIL-PRF-5606 and SAE J1705 performance standards.
All materials comply with global environmental regulations, and the formulation is designed to minimize environmental impact.
For optimal performance, use the part exclusively in power steering systems as specified in the HOWO maintenance schedule. Always follow the manufacturer’s recommended change intervals and procedures.
Store the part in a cool, dry place away from direct sunlight. Ensure containers are tightly sealed to prevent contamination.
Genuine OEM Quality – Formulated specifically for HOWO steering systems.
Extended Service Life – Up to 2000 hours of operation.
The AZ9007330021 Hydraulic Steering Fluid is the definitive steering solution for HOWO and Sitrak owners who demand uncompromising precision, protection, and reliability.
With its advanced formulation, exceptional wear protection, and thermal stability, this fluid ensures optimal steering performance throughout the vehicle’s operational life. Choose the part for a premium solution that sets a new standard in heavy-duty steering protection.
OEM AZ9007330021 · HOWO Steering Fluid · Engineered for Precision and Protection.
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