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SITRAK C7H HOWO TX Steering Tank Filter Element 712W47301-0133
It is installed inside or at the bottom of the steering fluid reservoir (a transparent plastic container) located on either the left or right side of the cab; the filter element is seated within the reservoir's filter mount.
FUNCTION
1. Efficient Filtration of Impurities and Contaminants: High-precision filter paper captures metal shavings, carbon deposits, sludge, particulate matter, moisture, and other contaminants present in the power steering fluid. This prevents these impurities from entering the steering valve clearances, power steering pump, or cylinder assembly.It prevents impurities from causing steering valve sticking, pump wear, seal damage, or system leaks, thereby ensuring responsive power steering assistance free from vibration or abnormal noises.
2. Maintaining Fluid Cleanliness and System Stability: Integrated within the power steering reservoir, the filter continuously filters the return and circulating fluid. This maintains the cleanliness of the hydraulic fluid and minimizes fluid oxidation or degradation. It extends the overall service life of the steering system and prevents issues-such as heavy steering, insufficient assist, or noise-caused by the accumulation of contaminants; indirectly enhancing driving safety and comfort.
3. Supporting Reliable Power Steering Operation: Designed to integrate with the power steering reservoir assembly, it ensures that the fluid remains consistently clean throughout the circulation cycle. Working in conjunction with the power steering pump, it helps maintain stable hydraulic pressure.
4. Maintenance and Diagnostics Friendly: The filter element features a modular design that facilitates easy periodic inspection and replacement. Additionally, the reservoir is constructed from transparent material, allowing for convenient visual monitoring of the fluid's cleanliness and level.
Advantages
| Core Advantage | Description |
|---|---|
| High Filtration Precision and Excellent Cleaning Ability | Filtration precision is typically less than 20 microns, effectively capturing impurities, metal debris, sludge, and moisture at 20 microns and below, preventing these contaminants from entering steering valve gaps, power steering pump, or cylinders. Significantly reduces internal wear, sticking, or leakage risks in the steering system, ensuring consistently high hydraulic fluid cleanliness and improving steering assist stability and responsiveness. |
| Excellent Durability and Environmental Adaptability | Made with high-strength filter paper + oil-resistant, pressure-resistant, high-temperature materials (wide operating range, commonly -40℃ to +120℃+), resistant to vibration, impact, corrosion, and aging. Suitable for harsh heavy-duty truck conditions (high-temperature engine bay, dust, heavy-load jolting), with service life matching maintenance intervals (40,000–60,000 km), low failure rate, far outperforming ordinary filter elements prone to clogging or damage. |
| Cost-Effective, Reliable, and Maintenance-Friendly | modular design allows easy individual replacement (no need to disassemble the entire reservoir), transparent reservoir enables visual inspection of fluid cleanliness and level. Effectively protects expensive steering pump, valve, and cylinder components, preventing major repairs; simple installation quickly restores smooth steering, reducing downtime and maintenance expenses. |
DETAILS
| DESCRIPTION | Steering Tank Filter Element | PART NUMBER | 712W47301-0133 |
| WEIGHT |
1KG |
VOLUME |
25×25×5 cm |
| TRUCK MOLDE | SINOTRUK | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | CHASSIS |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
Routine/Periodic Maintenance Recommendations
1. Inspection Schedule: Every 20,000–30,000 kilometers or every six months, visually inspect the power steering fluid reservoir to verify that the fluid level is normal and the fluid color is clear; also, observe the filter element for any visible signs of heavy contamination. Every 40,000–60,000 kilometers, a mandatory inspection/replacement of the filter element is required, accompanied by a simultaneous replacement of the power steering hydraulic fluid. For vehicles engaged in long-distance travel or heavy-duty transport, inspections should be intensified every 30,000–40,000 kilometers, particularly since high-temperature, dusty, or water-fording environments can accelerate filter clogging.
2. Preventive Measures: Periodically clean the exterior of the power steering fluid reservoir to prevent dust from entering through the filler cap.
Avoid contamination of the power steering fluid; if you notice heavy steering, insufficient power assist, abnormal noises, or cloudy fluid, immediately inspect the filter element to check for clogging. The power steering system is considered "semi-maintenance-free," relying primarily on regular fluid and filter replacements to maintain internal cleanliness.




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