Engineered to exact OEM tolerances with industry-leading materials for long-term hydraulic reliability.
Within modern manual automotive drivelines, the master clutch pump (commonly designated as the clutch master cylinder) acts as the primary transducer converting mechanical input pedal effort into fluid hydraulic pressure. This critical pressure actuates the slave cylinder to disengage the engine pressure plate assembly from the gearbox.
For global procurement managers, wholesale automotive distributors, and tier-1 parts buyers, procuring these components requires an analytical evaluation of casting materials, bore tolerance integrity, and compound seal chemistry. Securing components with strict micro-inch cylinder bore finishes guarantees stable operation across hundreds of thousands of actuation cycles, drastically reducing fleet warranty claims.
The operational longevity of a clutch master pump is heavily determined by its casing metal. We offer two major options depending on the application context:
Explore our specialized range of high-precision hydraulic control components
We are a professional brake system parts manufacturer and supplier, mainly including brake master cylinder, brake wheel cylinder, clutch master cylinder, clutch slave cylinder, etc. The founder has been deeply engaged in automotive brake parts since 1996. Through industry experience and production technology, the factory has now developed dozens of models and thousands of products to ensure that they are suitable for different models and meet different road requirements. The products have GB/T19001-2016/1S0 9001:2015, IATF16949:2016 quality system certification.
"Safety first" is the core concept of the factory.
Actively promotes the corporate spirit of "integrity, innovation, and efficiency".
The city of Wuhu is globally recognized as a premier automotive cluster in China. As a direct result of this ecosystem, manufacturers like Wuhu Qiujing Auto Parts Co., Ltd. leverage a complete, vertically integrated supply chain. Our facilities host automated casting shops, raw casting supply lines, advanced CNC centers, and multi-stage testing rigs all within a unified region.
This integration eliminates the typical supply chain delays associated with long-distance material shipping. Our production methods prioritize automated high-precision tooling to keep manufacturing costs highly competitive. This structural efficiency translates directly to high-quality master clutch pumps and brake master cylinders that deliver high-performance capabilities at competitive wholesale pricing.
Global logistics demand flexibility. Because of our location close to key coastal ports (including Shanghai and Ningbo), we offer streamlined shipping solutions. We support a wide array of customized OEM markings, laser part engraving, and customized industrial packaging tailored to the importing criteria of different jurisdictions.
Professional, efficient, integrated and comprehensive service system designed for long-term partners
Owned its own factory, It has 6000+㎡ production and office area, 50+ professional employees, and an annual output of 2 million+
Equipped with complete production equipment and technology to ensure product quality and performance, Provide two years of after-sales service
Uniform quality control, flexible production arrangements, suitable for long-term cooperation
Owned R&D team, production team, inspection team, business team, efficient docking
We offer competitive price, advanced machinery, and stringent quality control with GB/T19001-2016/1S0 9001:2015、IATF16949:2016 、GB/T29490-2013 certifications.
The primary point of failure for master clutch pumps is internal fluid bypass. Unlike external leaks which show visible drop-offs in reservoir levels, internal bypass occurs when the primary rubber piston cup degrades. When this happens, pressurized hydraulic fluid slips back into the low-pressure reservoir chamber during pedal depression.
To eliminate this failure mode, our manufacturing quality procedures focus on three distinct technical solutions:
For import markets in North America and the European Union, compliance with safety and technical standards is mandatory. Master clutch pumps must align with SAE J1153 (hydraulic brake master cylinders for passenger cars) and SAE J1154 specifications. Our QA department operates a clean-room assembly environment and pressure-testing bays to verify compliance with IATF 16949 standards.
Furthermore, every batch undergoes strict performance testing to verify zero structural leakage at 1.5 times the maximum rated system pressure. This level of quality control guarantees that parts work safely in any vehicle system globally.
Discover the latest updates and announcements from our team.
Learn about our production capacity planning and holiday dispatch arrangements to ensure seamless supply for overseas clients during festive periods.
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Wuhu Qiujing Auto Parts Co., Ltd. is pleased to announce the official resumption of production today, following the scheduled plant maintenance and compliance reviews.
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[Wuhu, January 2025] As the Lunar New Year approaches, Wuhu Qiujing Auto Parts Co., Ltd. has successfully completed critical year-end dispatch operations ahead of schedule.
View MoreAnswers to technical, sourcing, and logistics questions from professional procurement partners
The service life of a master clutch pump depends heavily on three variables: the surface finish of the internal cylinder bore (which must be kept below Ra 0.4 μm to avoid seal wear), the chemical quality of the EPDM rubber seals to resist swelling, and keeping the hydraulic fluid free from moisture contamination.
IATF 16949 is the global quality standard for the automotive industry. It requires strict traceability of raw metals, standardized CNC machining processes, and automated testing. This certification ensures that aftermarket products match OEM parts in fit, form, and function.
Nodular cast iron offers higher structural strength, resisting fatigue under high pressure, making it the standard choice for heavy commercial trucks and buses. Aluminum alloy housings reduce weight and offer good corrosion resistance, which is preferred for modern passenger cars.
Our standard manufacturing lead time ranges between 35 and 45 days. This window covers casting, precision CNC machining, clean-room assembly, pressure testing, custom packaging, and booking logistics.
Yes. We offer complete customization options. This includes laser-marking your part numbers directly onto the cylinder housings, printing branded boxes, and configuring custom master pallets for international shipping.
Every single master clutch cylinder undergoes dual leak testing: a low-pressure pneumatic seal test to detect minor gaps, followed by a high-pressure hydraulic test at 1.5 times the rated capacity to ensure structural integrity under load.
Contact our engineering sales team to request pricing, catalog specifications, and samples.
High-precision replacement components matching OEM specifications for global vehicle platforms.
