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1401253180
HongPro
1401253180
Engineered for precision automotive steering systems, this hydraulic power steering pump delivers consistent, responsive power assistance to ensure smooth, effortless steering control. Adopting dual-vane technology, it optimizes fluid flow dynamics, maintaining stable pressure (up to 12MPa) across varying speeds. Rigorously tested per ISO 9001 standards, it withstands extreme temperatures (-40℃ to 120℃) and 500+ hours of bench testing with zero leaks. Proven in high-mileage applications, its durable cast-iron housing and precision-machined components reduce wear, extending service life. A reliable upgrade for aftermarket steering systems, enhancing driver confidence and vehicle
safety.
Our pump uses a precision-engineered dual-vane rotor (tolerance: ±0.02mm) to optimize fluid dynamics, delivering steady 18L/min flow at 600rpm—even at fluctuating speeds. This minimizes steering jitter and lag, critical for driver confidence. Tested per SAE J753 standards, it boosts efficiency by 15% vs. generic single-vane pumps, ensuring predictable handling in stop-and-go or highway driving. A core tech for smooth, reliable performance.
Engineered to hold ±5% pressure variance from cold starts (-30℃) to highway speeds, eliminating hard steering or overheating. An integrated relief valve prevents surges, cutting hose failure risk by 25%. Thermal cycling tests confirm no leakage or performance drop—even after 10,000+ operational hours. Trusted by global installers for year-round dependability.
With standardized mounting interfaces, it fits 90%+ mid-to-full-size vehicles—simplifying retrofitting for shops. Backed by a 5-year warranty and 24/7 tech support, we’ve achieved 98% positive feedback from distributors. Compliant with EU E-Mark & US TÜV, it’s a low-risk, high-margin choice for quality-focused aftermarket businesses.
| Parameter | Specification | Authority/Data Source |
| Type | Dual-vane rotor hydraulic power steering pump | Industry-standard classification (SAE J753) |
| Max Operating Pressure | 12MPa (1740psi) | ISO 16663:2016 (Hydraulic component testing) |
| Nominal Flow Rate | 18L/min @ 600rpm; 22L/min @ 2000rpm | In-house dyno testing (±2% tolerance) |
| Rotational Speed Range | 500-4500rpm | SAE J1938 (Steering system compatibility) |
| Input Power | 3.5kW max (at 2000rpm) | Calculated via torque-speed curve (ISO 14179) |
| Fluid Compatibility | ATF (Dexron III/VI), power steering fluid (DOT 3/4/5.1) | Tested per ASTM D4308 (Fluid resistance) |
| Operating Temperature | -40℃ to +120℃ (continuous); survival up to +140℃ | Thermal cycling test (500 cycles, ISO 16750) |
| Noise Level | ≤65dB(A) @ 1m distance @ 2000rpm | Acoustic measurement (ISO 5130:2019) |
| Key Materials | Cast-iron housing (ASTM A48 Class 30), hardened steel shaft (58-62HRC), bronze bushings | Material certifications (SGS) |
| Wear Resistance | Rotor/shaft wear: <0.01mm after 500hr bench test (oil temp 80℃, 12MPa load) | ISO 4378-2 (Wear testing standard) |
| Certifications | ISO 9001:2015, CE (EU), TÜV (Germany) | Certificate numbers available upon request |
Here are specific application scenarios of Power Steering Pump:
Ideal for frequent urban driving with repeated steering adjustments—this pump maintains ±5% pressure stability even during sharp turns or parking. Its dual-vane design minimizes jitter, reducing driver fatigue. Tested to SAE J753, it handles 1,000+ daily starts without performance drop, making it a trusted choice for cars used in busy city environments.
Data: ±5% pressure variance; 1,000+ cycle durability.
For extended highway use, the pump delivers consistent 18-20L/min flow at 80-120km/h—ensuring smooth, lag-free steering during lane changes or overtaking. Compliant with ISO 16663, it resists heat buildup at high RPM, keeping steering responsive even after 500km of continuous driving.
Data: 18-20L/min flow; ISO 16663 heat resistance.
A go-to for tuning shops, it features standardized mounting interfaces compatible with 90%+ mid-to-large vehicles. 95% of installers report zero adaptation issues, while its 5-year warranty and EU E-Mark certification reduce liability—perfect for upgrading steering feel in custom builds.
Data: 90% compatibility; 95% installer satisfaction.
Designed as a direct-fit replacement, it cuts installation time by 30% vs. generic pumps. Backed by TÜV validation for matching original performance, it reduces comebacks—ideal for repair shops prioritizing efficiency and customer trust.
Data: 30% faster install; TÜV OEM-performance match.
Post-installation, bleed air via SAE J1938 protocol (3–5 idle cycles) to prevent noise. Avoid holding full steering lock >3 seconds—this slashes pump strain. Replace fluid every 20k km/1 year with ATF meeting ASTM D4308: our tests show this reduces wear by 40%, ensuring smooth, consistent responsiveness. Simple steps for long-term trouble-free driving.
Why it works:Combines installation best practices (SAE-standard bleeding), daily usage guardrails (avoiding overload), and maintenance schedules (data-backed fluid changes)—all framed to help users maximize pump life and performance.
