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S21-1601030BA
HongPro
S21-1601030BA
This S21-1601030BA is a premium replacement clutch disc engineered for uncompromising performance and durability. It is meticulously designed to meet or exceed rigorous OEM specifications, ensuring a perfect fit and seamless operation within its intended clutch assembly.
Constructed with a high-friction, organic composite facing, this clutch disc provides smooth and progressive engagement, effectively minimizing judder and chatter for superior driving comfort. The robust, heat-treated steel hub is precision-machined to withstand extreme torsional forces, while the advanced damper spring system effectively absorbs and dampens powertrain vibrations, protecting the transmission from shock loads.
With an impressive heat tolerance of up to 350°C and engineered for a service life 15% longer than basic alternatives, this clutch disc delivers reliable power transfer and exceptional longevity. Trust in this industry-tested component for a restoration of factory-fresh performance.
This clutch disc utilizes a high-density organic friction material, reinforced with advanced composite fibers. This formulation ensures exceptionally smooth and gradual engagement, effectively eliminating annoying clutch judder and chatter for a comfortable driving feel. Unlike cheaper metallic alternatives, our organic facing is gentler on the flywheel, promoting longer life for the entire clutch system. Rigorously tested, this material maintains consistent friction properties and provides a service life exceeding 15% longer than standard OE replacements, delivering outstanding value and reliability.
At the heart of this clutch disc is a multi-stage damper spring system. These high-tensile springs are meticulously calibrated to absorb and neutralize torsional vibrations from the engine before they reach the gearbox. This crucial function results in quieter operation, significantly reduced gear rattle, and enhanced protection for your transmission from shock loads during aggressive shifts or sudden engagement. This engineering investment translates directly into a smoother driving experience and long-term drivetrain health.
We employ a heat-treated chromium-molybdenum steel hub, manufactured through a precision forging process. This gives the core exceptional structural integrity and resistance to warping under extreme stress. It is engineered to withstand the high torque output of modern engines without failure. The hub's splines are precision-cut and micro-finished for a perfect fit with the input shaft, ensuring flawless power transfer and handling thermal loads of up to 350°C (662°F) without performance degradation, a common failure point in inferior components.
Every S21-1601030BA clutch disc is manufactured to meet or exceed original equipment specifications. It undergoes a stringent quality control process, including dimensional checks and dynamic balance testing, to guarantee a perfect direct fit. This eliminates the need for modifications and ensures seamless integration with the corresponding pressure plate and release bearing. You can install this component with the confidence that it will restore your vehicle's clutch performance to its original factory state, providing peace of mind and reliable service.
| Specification Category | Detailed Parameter |
| Original Part Number | S21-1601030BA |
| Product Type | Organic Single-Disc Clutch |
| Facing Material | High-Density Organic Composite |
| Facing Coefficient of Friction | μ ≈ 0.35 |
| Hub Material | Heat-Treated 40Cr Steel (SAE 5140) |
| Spline Teeth Count | 21 |
| Major Spline Diameter | 26.1 mm |
| Minor Spline Diameter | 23.2 mm |
| Damper Spring System | 6 Tangential Spring Dampers |
| Max. Torque Capacity | 280 Nm |
| Max. Operating Temperature | 350°C (662°F) |
| Dynamic Balance Standard | < 15 g·cm |
| Compliance & Standards | Meets or exceeds ISO 9001, SAE J459 |
Here are specific application scenarios of Clutch disc:
This clutch disc is the definitive solution for vehicles experiencing classic signs of clutch wear. If you're facing symptoms like slippage under acceleration (where engine RPM rises without a corresponding increase in vehicle speed), difficulty in shifting gears, or a burning smell, this part is engineered for your repair. It is manufactured to strict OEM specifications, ensuring it restores the system's original performance, pedal feel, and durability, effectively solving these common drivability issues.
Designed for vehicles with significant mileage, this clutch disc addresses the natural degradation of the factory component. Its high-density organic facing provides a smooth, progressive engagement that is ideal for restoring a confident driving feel in daily-driven vehicles. The reinforced hub and damper springs are specifically engineered to handle the accumulated stress on a high-mileage drivetrain, offering a service life exceeding 15% longer than basic alternatives for lasting reliability.
Ideal for vehicles subjected to the constant stop-and-go traffic of city driving, which accelerates clutch wear. The advanced friction material is formulated to withstand the frequent heat cycling from partial engagement and disengagement common in urban environments. With a heat tolerance of up to 350°C, it resists glazing and fading, ensuring consistent performance and a longer operational life despite the demanding nature of city commutes.
This clutch disc is the core component for a complete clutch kit installation (when paired with its matching pressure plate and release bearing). It is the recommended choice for a proactive maintenance approach or when the clutch assembly is being accessed for another repair, such as a flywheel resurfacing or transmission removal. Using this premium disc ensures balanced performance across all new components, guaranteeing optimal system harmony and long-term reliability.
Product Operate Guide
For optimal performance and safety, we strongly recommend installation by a certified mechanic. This ensures the clutch disc is aligned correctly with the pressure plate and flywheel, preventing premature wear. The flywheel surface must be machined to a smooth, flat finish with a surface roughness under 2.0 µm (Ra) to ensure proper contact and heat dissipation. Always replace the release bearing and inspect the pilot bearing concurrently to ensure full system integrity and longevity.
