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1064000071
HongPro
1064000071
This 1064000071 is a precision-engineered clutch master cylinder, designed as a direct-fit replacement for a range of popular compact sedans. It ensures seamless power transfer from the engine to the transmission by converting hydraulic pressure into mechanical action to disengage the clutch.
Manufactured from high-grade aluminum alloy, the body provides superior corrosion resistance and thermal stability. Critical components like the piston cup and seals are made from NBR (Nitrile Butadiene Rubber), tested to withstand operating pressures exceeding 18 MPa and temperatures from -40°C to 120°C. This guarantees reliable performance under demanding driving conditions, preventing fluid leaks and pressure loss.
Rigorously tested to meet or exceed OE specifications (ISO/TS 16949 quality standards), this unit delivers a precise pedal feel and consistent engagement. It is the definitive choice for a reliable, direct-fit hydraulic clutch solution.
Crafted from a high-grade aluminum alloy, this clutch master cylinder boasts exceptional resistance to corrosion and wear. The internal piston and seals are manufactured from advanced NBR (Nitrile Butadiene Rubber) compounds, rigorously tested to perform flawlessly across a wide temperature spectrum from -40°C to 120°C. This material science ensures a perfect, lasting seal, effectively preventing fluid loss and maintaining consistent hydraulic pressure for the lifetime of the component, even under the most demanding conditions.
We understand that fitment is paramount. This cylinder is not a universal part; it is engineered to be a direct OE replacement clutch master cylinder, guaranteeing a perfect bolt-on installation without modifications. The bore and piston are machined to micron-level tolerances, replicating the exact hydraulic pressure and pedal feel of the original part. This ensures smooth clutch engagement, precise shifting, and a driving experience that matches the vehicle's original performance standards right from the first press.
Every unit undergoes a stringent multi-stage testing protocol, including pressure decay tests and full-stroke endurance cycles. Our manufacturing process is certified under the IATF 16949:2016 quality standard, the global benchmark for automotive components. This commitment to quality means our cylinder can reliably withstand operating pressures exceeding 18 MPa (2600 PSI), providing you with the confidence that this is a durable, high-performance solution built for long-term reliability.
Beyond just replacing a faulty part, this component is designed to enhance the driving experience. The optimized internal fluid passages minimize flow resistance, resulting in a crisp and responsive clutch pedal actuation. This eliminates issues like a spongy pedal or difficulty in gear shifting. By ensuring immediate hydraulic response and consistent performance, it reduces driver fatigue and provides a direct, connected feel that performance-oriented drivers appreciate.
| Parameter | Specification | Details / Standards |
| Part Number | 1064000071 | - |
| Function | Hydraulic Clutch Actuation | Converts pedal force into hydraulic pressure to disengage the clutch. |
| Body Material | High-Grade Aluminum Alloy | ASTM B85, Die-Cast. Offers excellent corrosion resistance and heat dissipation. |
| Piston Material | Hardened Aluminum Alloy | Precision ground for a mirror-finish to minimize seal wear. |
| Seal Material | Hydrogenated Nitrile Butadiene Rubber (HNBR) | Superior to standard NBR. Resists heat, abrasion, and brake fluid degradation. |
| Bore Diameter | 15.87 mm (5/8 inch) | Machined to a tolerance of ±0.01mm for consistent fluid displacement and pedal feel. |
| Fluid Type | DOT 4 Brake Fluid | Compatible with DOT 3 and DOT 4. |
| Max Operating Pressure | 18 MPa (approx. 2,610 PSI) | Validated through burst pressure testing exceeding 30 MPa. |
| Temperature Range | -40°C to +120°C | The HNBR seals maintain elasticity and sealing capability across this full range. |
| Fluid Port Thread | M10 x 1.0 | Standard metric flare fitting. |
| Mounting Bolt Thread | M8 x 1.25 | - |
| Quality Certification | IATF 16949:2016 | Manufactured in a certified facility, ensuring OE-level quality control. |
| Performance Testing | Pressure Decay & Endurance Cycling | 100% tested. Each unit must withstand 500,000 full-stroke cycles with no measurable pressure loss. |
Here are specific application scenarios of Clutch Master Cylinder:
This clutch master cylinder is engineered as a direct OE-fit solution for vehicles experiencing common clutch hydraulic system failures. Symptoms include a spongy or sinking clutch pedal, difficulty shifting gears, visible fluid leaks in the footwell, or a clutch that fails to disengage properly. Its precision-machined 15.87mm bore and HNBR seals are designed to restore the exact hydraulic pressure and pedal feel, eliminating these issues and ensuring crisp, reliable gear changes.
For a full clutch system restoration, installing this cylinder as a matched pair with a new clutch slave cylinder is highly recommended. This practice ensures balanced hydraulic pressure and maximizes the lifespan of all new components. Using our IATF 16949-certified cylinder prevents premature wear on the new clutch kit, protecting your investment. It's the definitive solution for a complete and reliable repair that lasts.
This unit is ideal for vehicles subjected to strenuous conditions such as frequent stop-and-go city traffic, hilly terrain, or commercial use. Constructed from high-grade aluminum alloy and featuring HNBR seals tested for temperatures from -40°C to 120°C, it offers superior durability over standard parts. It provides consistent performance and resists fluid degradation, making it a robust upgrade for drivers seeking enhanced reliability and a more responsive pedal feel.
This component specifically addresses critical failure points like internal seal degradation and pressure loss, which are common in older units. Each cylinder is 100% tested to withstand over 18 MPa of pressure and 500,000 endurance cycles. By replacing a failing unit with this high-performance cylinder, you directly eliminate the risk of sudden clutch failure, ensuring vehicle control and operational safety are maintained.
For optimal performance and safety, we recommend professional installation. Begin by thoroughly cleaning the work area to prevent contamination. Always use new, high-quality DOT 4 brake fluid. During installation, ensure all hydraulic line connections are secure to the specified torque. The most critical step is to meticulously bleed the system to remove all air bubbles, as this is essential for achieving a firm pedal feel and proper clutch disengagement. For the longest system life, we strongly advise replacing the clutch slave cylinder simultaneously to ensure balanced hydraulic pressure. Always consult the vehicle's service manual for specific procedures.
