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B11-2912011
HongPro
B11-2912011
Upgrade your Chery's driving dynamics and safety with our premium replacement coil springs. Engineered for durability and performance, these springs are manufactured from high-tensile strength SAE 9254 steel, ensuring exceptional resistance to fatigue and sagging. They undergo rigorous OEM-specification testing, supporting over 100,000 compression cycles without failure, to guarantee long-term reliability.
Precision-calibrated for optimal ride height and handling, our coils restore factory-level suspension geometry, improving vehicle stability and tire contact. This directly enhances driving safety and comfort while protecting other suspension components from premature wear. As a trusted supplier in the automotive aftermarket, our products are certified to meet or exceed international quality standards (ISO 9001). Ensure a smooth, controlled ride and precise handling—choose our coil springs for a dependable, direct-fit solution.
Our coil springs are forged from premium SAE 9254 chrome-silicon steel, a material renowned for its exceptional tensile strength and resilience. This advanced alloy undergoes a proprietary heat-treatment process, enhancing its molecular structure to withstand extreme stress and prevent sagging. Independent lab tests confirm a fatigue life exceeding 500,000 cycles, far surpassing standard industry benchmarks. This translates to a spring that maintains its integrity and vehicle ride height for over 100,000 miles under normal driving conditions, providing long-term value and reliability.
Every coil spring is precision-engineered using CNC-controlled winding technology to ensure perfect dimensional accuracy and consistent spring rate. This guarantees a direct fit, eliminating the need for modifications and preserving the original suspension geometry. By restoring the exact factory-specified ride height and tension, our springs ensure optimal tire contact with the road, which significantly improves handling stability, steering response, and overall driving safety. This precise calibration is critical for protecting other suspension components from abnormal wear.
Trust is built on verification. Our manufacturing process is certified under the IATF 16949:2016 international quality standard, the highest benchmark for automotive production. Each production batch undergoes simulated real-world testing, including salt spray corrosion resistance tests for 500+ hours—equivalent to years of exposure to harsh winter roads and coastal climates. This commitment to validation ensures that every coil spring we ship delivers uncompromising performance and durability you can depend on.
The core function of a coil spring is to absorb impacts and maintain stability. Our springs are dynamically tuned to provide an ideal balance between comfort and control. They effectively dampen road shocks and vibrations from bumps and potholes, creating a smoother, quieter ride for passengers. Simultaneously, they minimize body roll during cornering and braking, giving the driver superior control and enhancing active safety. This results in a confident and comfortable driving experience, whether on city streets or highways.
With over 10 years of specialization in the automotive suspension sector, we are a trusted partner for distributors and workshops worldwide. We have a proven track record of supplying over 1,000,000 suspension components annually to the global aftermarket. Our in-depth expertise in Chery vehicle systems allows us to consistently deliver products that meet exact OEM specifications. Partner with us for not just a product, but for reliable supply chain support and technical knowledge.
| Parameter | Specification & Data | Description & Compliance |
| Material Grade | SAE 9254 Chrome-Silicon Steel | A superior alloy known for its high tensile strength, excellent fatigue resistance, and resilience, exceeding the performance of standard carbon steel springs. |
| Surface Treatment | Powder Coating + Epoxy Primer | Corrosion resistance tested to withstand 500+ hours of neutral salt spray (ASTM B117 standard), providing superior protection against rust and corrosion. |
| Spring Rate (Linear) | 3.5 - 4.8 N/mm (varies by application) | Precisely calibrated to match OEM dynamic response, ensuring a perfect balance between ride comfort and handling stability. |
| Free Length Tolerance | ± 1.5 mm | CNC-controlled winding ensures consistent dimensions for a direct, hassle-free installation every time. |
| Wire Diameter | 12.5 - 14.0 mm (varies by application) | Manufactured to exact OEM specifications to guarantee structural integrity and load-bearing capacity. |
| Fatigue Test Performance | > 500,000 cycles | Rigorously tested under simulated high-load conditions, far exceeding standard industry cycle tests to ensure a long service life. |
| Operating Temperature | -40°C to +120°C | Engineered to maintain performance and structural integrity in extreme climatic conditions, from freezing winters to hot summers. |
| Quality Certification | IATF 16949:2016 | Our manufacturing process is certified to the international quality management standard for the automotive industry. |
Here are specific application scenarios of Coil Spring:
When a vehicle enters your shop with sagging suspension, bottoming out over bumps, or uneven tire wear, our coil springs provide the perfect OEM-standard solution. They are engineered for a direct, hassle-free replacement, restoring the factory-specified ride height and geometry. This ensures correct wheel alignment, protects other suspension components from premature wear, and allows you to deliver a reliable, long-lasting repair that builds client trust and reduces comebacks.
For vehicle owners experiencing a noticeably harsher ride, increased body roll in corners, or a general lack of stability, replacing worn coil springs is crucial. Our springs restore the vehicle's ability to absorb road shocks effectively, significantly improving passenger comfort. More importantly, they re-establish optimal tire contact with the road, directly enhancing braking efficiency and handling safety for everyday driving, especially in adverse weather conditions.
As a distributor, stocking our coil springs means offering a high-demand, quality-assured product. With over 1,000,000 suspension parts supplied annually, we guarantee consistent fit, finish, and performance. Our products are backed by rigorous testing (IATF 16949 certified) and clear technical data, making them an easy and trustworthy sale for your retail partners and workshop clients, helping you build a reputation for reliable automotive parts.
Coil springs wear out gradually over time and mileage. Our springs are the ideal preventive maintenance or corrective part for vehicles exhibiting signs of age-related suspension fatigue, such as a lowered rear end or overall stance. By replacing them, the vehicle's structural balance and load-bearing capacity are fully restored, which is essential for maintaining safe handling characteristics and ensuring the longevity of the entire suspension system.
For optimal performance and safety, we strongly recommend that installation is performed by a qualified professional in a well-equipped workshop. The process requires specialized tools like spring compressors, as handling under high tension can be dangerous. After installation, it is crucial to have a wheel alignment performed. This ensures the restored suspension geometry is correctly calibrated, protecting your tires and guaranteeing the handling stability and safety our coil springs are engineered to provide.
