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T11-3505010
HongPro
T11-3505010
Engineered for reliability, this brake master cylinder is a critical safety component designed for robust hydraulic pressure conversion. It ensures precise and responsive braking force transmission across compact SUV and sedan applications. Constructed with a high-strength aluminum alloy body, it guarantees superior heat dissipation and corrosion resistance. The internal primary and secondary piston system, coupled with precision-machined bore, maintains optimal pressure integrity, directly contributing to shorter stopping distances.
Rigorously tested to meet or exceed ISO 9001 & TS 16949 quality standards, it delivers a service life exceeding 100,000 cycles under standard driving conditions. This unit is a direct-fit, performance-grade replacement, offering 100% functional compatibility for a seamless and secure upgrade. Trust in its proven durability for ultimate driving confidence.
Engineered for long-term reliability, our master cylinder body is precision-cast from high-grade aluminum alloy and undergoes a multi-stage anti-corrosion treatment. This specialized process significantly outperforms standard units, providing exceptional resistance to moisture, brake fluid degradation, and environmental salts. Internal components, including the primary and secondary pistons, are crafted from hardened steel to prevent scoring and wear. This robust construction ensures a consistent fluid pressure chamber, directly translating to a extended service life and reliable performance in diverse climatic conditions, from humid coastal areas to winter road salt exposure.
At the heart of safety is pressure integrity. This cylinder features a dual-circuit piston system sealed with high-performance EPDM rubber cups. These seals are specifically formulated for DOT 3 and DOT 4 brake fluids, maintaining elasticity across a wide temperature range (-40°C to 120°C). The mirror-finished bore, honed to a tolerance of less than 0.005mm, eliminates micro-leak paths. Each unit is subjected to a rigorous 24-hour pressure hold test, ensuring a 100% leak-free guarantee before shipment. This eliminates the risk of brake fluid loss and dangerous pressure failure.
We eliminate the guesswork from parts replacement. This T11-3505010 master cylinder is manufactured in an IATF 16949:2016 certified facility, a global standard for automotive quality management. It is designed for 100% direct OE fitment, requiring no modifications for installation. Every unit undergoes end-of-line functional testing that simulates real-world braking cycles, with performance data logged for traceability. This commitment to quality ensures perfect compatibility with existing vehicle mounting points, fluid reservoirs, and brake line connections for a hassle-free, secure repair.
Brake system fade is often a result of fluid overheating. Our cylinder’s design incorporates integrated cooling fins and a larger fluid capacity, which acts as a heat sink to dissipate thermal energy more effectively than conventional models. By maintaining lower operating fluid temperatures, it prevents vapor lock—a condition where brake fluid boils and creates compressible gas bubbles. This engineering advantage is critical for maintaining firm pedal feel and responsive stopping power, especially during demanding driving such as descending hills or repeated stops.
Your safety is non-negotiable. This master cylinder employs a fail-safe dual-circuit hydraulic system. In the highly unlikely event of a leak or failure in one circuit (e.g., front brakes), the secondary circuit will remain fully operational, providing at least 50% of the vehicle's original braking power. This built-in redundancy is a critical safety feature that allows for controlled stopping and prevents a total brake system failure, giving the driver vital control in an emergency situation.
| Specification Category | Detail |
| Product Type | Tandem Dual-Circuit Brake Master Cylinder |
| Part Number | T11-3505010 |
| Body Material | High-Strength Aluminum Alloy (ADC-12) |
| Piston Material | Chrome-Plated Steel for superior hardness and corrosion resistance |
| Seal Material | High-Performance EPDM Rubber (compatible with DOT 3 & DOT 4) |
| Bore Diameter | 22.22 mm (7/8 Inches) |
| Bore Finish | Precision Honed to a mirror finish (Ra ≤ 0.4 µm) |
| Outlet Port Thread | M10 x 1.0 (ISO Standard) |
| Reservoir Cap Type | Lever-type with integrated fluid level sensor |
| Fluid Capacity | 20 ml (for entire cylinder bore stroke) |
| Operating Pressure | Up to 20 MPa (200 bar / 2900 PSI) |
| Temperature Range | -40°C to 120°C (-40°F to 248°F) |
| Quality Standards | Manufactured in an IATF 16949:2016 Certified Facility |
| Performance Testing | 100% tested for stroke, pressure hold, and leak integrity |
| Durability Cycle Test | > 100,000 full-stroke cycles (simulating real-world use) |
Here are specific application scenarios of Clutch Master Cylinder:
This master cylinder is the ideal proactive upgrade during scheduled vehicle servicing. Over time, internal seals degrade and bore walls can corrode, leading to a spongy brake pedal. Replacing the unit before failure ensures optimal braking performance is maintained. With a tested durability of over 100,000 cycles, this component offers a long-term solution, preventing costly downstream repairs to the ABS module or brake calipers caused by a failing master cylinder.
Directly address common brake failures indicated by a soft or sinking brake pedal, increased stopping distance, or an illuminated brake warning light. These symptoms often point to internal seal failure or pressure loss within the master cylinder. Our product provides a definitive fix, restoring the firm pedal feel and immediate hydraulic response required for safe driving. Its 100% pressure-hold integrity eliminates the risks of fluid leaks and pressure loss.
For vehicles with high mileage, the original brake components may no longer perform at their peak. This master cylinder serves as a reliability upgrade, offering superior corrosion resistance and thermal stability compared to aged or lower-specification OEM parts. It enhances overall brake system confidence, particularly under demanding conditions like stop-and-go traffic or mountain driving, by ensuring consistent pressure and preventing vapor lock.
When performing a full brake system restoration—including new calipers, rotors, and brake lines—installing a new, high-performance master cylinder is crucial. It acts as the heart of the renewed system, ensuring all new components receive clean, stable, and maximum hydraulic pressure. This guarantees balanced braking force and synchronizes the performance of the entire new system, providing a like-new, and often improved, braking experience.
For optimal performance and safety, always pair this master cylinder with new, high-quality DOT 4 brake fluid. Prior to installation, carefully bench-bleed the unit to eliminate air from the internal circuits, which is critical for achieving a firm pedal. Use a diagnostic scan tool to properly interface with the vehicle's ABS module during the bleeding process, ensuring a complete and air-free system flush. Finally, conduct a static brake pressure test and a low-speed functional test in a safe area to verify a firm pedal feel and leak-free operation before regular driving.
