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S3501110
HongPro
S3501110
Engineered for reliability and safety, our brake disc is precision-crafted to meet or exceed OEM specifications for Lifan vehicles. Constructed from high-grade G3000 cast iron, it ensures optimal heat dissipation and consistent performance under various driving conditions.
Key features include:
Advanced Friction Surface: Machined to a precise finish (RA < 1.6 µm) for smooth, quiet operation and rapid bedding-in with new brake pads.
Enhanced Durability: Rigorous testing confirms a high-temperature tolerance exceeding 650°C, significantly reducing the risk of thermal cracking and warping.
Corrosion Resistance: A protective coating applied to the non-friction areas guards against rust, ensuring longevity and a pristine appearance.
This direct-fit replacement guarantees perfect compatibility, delivering a 40% improvement in heat dissipation over generic alternatives. It undergoes a full suite of balance and hardness tests (HRC 48-55) to ensure unwavering stopping power and driver safety. Verify your model for a perfect match
Our brake discs are forged from premium G3000 cast iron, a specification that exceeds standard industry materials. This high-grade iron is alloyed with specific carbon and vanadium content to provide exceptional thermal conductivity. This fundamental quality is the key to managing the intense heat generated during braking. Through rigorous dynamometer testing, our discs demonstrate a heat dissipation rate over 40% more efficient than generic alternatives, maintaining a stable friction surface and preventing the brake fade that occurs at extreme temperatures. This ensures reliable stopping power, even under demanding driving conditions.
Say goodbye to noise and pedal pulsation. Each disc is precision-machined to a surface finish of RA < 1.6 µm (micrometers), ensuring a perfectly smooth and flat contact surface for the brake pads. This meticulous machining process minimizes Initial Brake Noise (IBN) and allows for a rapid, effective bedding-in process. Furthermore, every unit undergoes a strict Non-Destructive Testing (NDT) and computer-balanced process to eliminate microscopic imbalances. The result is a consistently smooth, silent, and confident braking experience without the annoying steering wheel shake.
Durability is engineered into every component. We employ a specialized heat treatment process that achieves a uniform hardness of HRC 48-55 (Rockwell C Scale) across the entire friction surface. This high hardness rating directly translates to exceptional wear resistance, significantly extending the product's lifespan compared to softer, untreated discs. Our discs are proven to withstand temperatures exceeding 650°C without structural degradation, effectively resisting thermal cracking and warping, which are common causes of premature failure in inferior products.
We protect your investment beyond just the braking surface. The entire disc, including the hub and cooling vanes, is treated with a robust anti-corrosion coating. This layer acts as a powerful barrier against environmental factors like road salt and moisture, preventing rust from forming during storage or transport. This not only guarantees a pristine, showroom-quality appearance upon delivery but also protects the structural integrity of the disc, combating surface rust that can often compromise performance in the initial braking cycles after installation.
Every brake disc leaving our factory is a guaranteed direct replacement. We ensure 100% OEM-dimensional compliance for a perfect, hassle-free fit on specified Lifan models, requiring no modifications. Our commitment to quality is backed by a comprehensive suite of tests, including hardness checks, material analysis, and high-speed performance simulations. This dedication to verification means you are installing a component built to the highest standards of safety and reliability, providing complete peace of mind for you and your end-customers.
| Parameter | Specification | Standard / Note |
| OEM Number | S3501110 | 100% Direct Fit Guarantee |
| Primary Material | High-Grade G3000 Cast Iron | ISO 185 / ASTM A48 |
| Hardness | HRC 48 - 55 (Rockwell C Scale) | Uniformly heat-treated for wear resistance |
| Surface Finish | ≤ RA 1.6 µm (Micrometers) | Precision machined for smooth, quiet operation |
| Minimum Thickness | As per OEM Specification | Clearly stamped on the disc hub |
| Disc Thickness Variation (DTV) | < 0.01 mm | Ensures vibration-free braking |
| Lateral Run-Out | < 0.05 mm | Guarantees stable and even pad contact |
| High-Temperature Performance | Stable up to 650°C | Resistant to thermal cracking and warping |
| Anti-Corrosion Coating | Geo-Shield Coating Applied | Protects non-friction surfaces (ASTM B117 Salt Spray Test) |
| Balance Standard | Fully Computer-Balanced | Meets ISO 19499 standards for smooth rotation |
Here are specific application scenarios of brake disc:
Engineered for the stop-and-go nature of city traffic, our brake discs provide consistent, reliable performance. The high-grade G3000 cast iron offers superior thermal conductivity, effectively managing the heat from frequent braking. This prevents premature warping and ensures a firm brake pedal feel throughout your journey. The precision-machined surface (RA < 1.6 µm) guarantees quiet operation, eliminating annoying squeals and providing a smooth, confident driving experience in urban environments.
For drivers who demand more, our discs are built to withstand stress. The specialized heat treatment achieves a hardness of HRC 48-55, providing exceptional resistance to wear under high-load conditions. Tested to perform reliably at temperatures exceeding 650°C, they significantly reduce the risk of brake fade during aggressive or prolonged braking, such as on mountainous roads or when carrying heavy loads, ensuring unwavering stopping power.
When sustaining high speeds over long distances, braking system reliability is paramount. Our computer-balanced discs ensure perfect rotational stability, preventing vibrations at highway speeds. The advanced anti-corrosion coating protects against elemental damage, maintaining integrity and performance over time. This makes them an ideal choice for drivers who frequently travel on motorways, offering peace of mind and long-term durability.
As a direct OEM replacement, this brake disc is the perfect solution for scheduled vehicle service. It guarantees a perfect fit without modification, saving on installation time and cost. With a proven lifespan extended by its hardened material, it outperforms generic alternatives, making it a cost-effective and reliable choice for workshops and DIY enthusiasts seeking to restore a vehicle's original braking performance and safety.
Product Operate Guide
For your safety, always replace brake discs in pairs on the same axle. Before installation, thoroughly clean the wheel hub surface to ensure it is free of rust and debris, guaranteeing a perfectly flat mount. Use a torque wrench to tighten the wheel nuts to the vehicle manufacturer's specified value to prevent uneven wear.
After installation, a proper bedding-in process is critical for optimal performance. Avoid heavy braking for the first 200 km. Instead, perform a series of 8-10 moderate decelerations from approximately 50 km/h to 20 km/h, allowing for cooling intervals between cycles. This process deposits an even friction material layer onto the disc, ensuring maximum braking power, longevity, and silent operation. Always consult a professional mechanic if unsure.
