Direct from Wuhu Qiujing Auto Parts — Original Fitment, Verified Performance
Specialized Engineering for Modern Hydraulic Control Systems
Wuhu Qiujing Auto Parts Co., Ltd. is a premier manufacturing enterprise specializing in high-precision automotive brake system parts, including brake master cylinders, brake wheel cylinders, clutch master cylinders, and clutch slave cylinders.
Under the vision of our founder, active in the automotive friction and hydraulic components sector since 1996, the factory has developed dozens of models and thousands of product specifications designed to exceed standard road parameters and OEM specifications.
Safety First: Advanced leak-testing and structural validation at every stage.
Industrial Innovation: IATF 16949:2016 and ISO 9001:2015 certified quality systems.
In-Depth Technical Analysis, Market Positioning, and Procurement Economics
The OEM part number 8-94233-500 (along with related iterations such as 8-94233-500-0) represents a safety-critical hydraulic actuator extensively integrated into commercial vehicles, light-duty trucks, and fleet platforms. Operating within highly dynamic environments, this hydraulic cylinder is engineered to convert mechanical force into pressure, maintaining stable line performance under high thermal variations.
From a materials perspective, these assemblies feature proprietary gray iron or anodized aluminum alloy housings. The internal piston relies on precision-ground surfaces paired with premium Ethylene Propylene Diene Monomer (EPDM) rubber cups. EPDM is selected for its high resistance to glycol-based DOT 3, DOT 4, and DOT 5.1 brake fluids, preventing swelling, degradation, and premature pressure leaks.
Every batch produced at our Wuhu Qiujing plant is subjected to strict hydraulic pressure and longevity trials. Our validation process tests components up to 1.5 times the maximum rated operating pressure, ensuring durability under extreme emergency braking sequences.
| Parameter Type | OEM Technical Standard | Qiujing Manufacturing Tolerance | Testing Protocol / Compliance |
|---|---|---|---|
| Housing Material Class | HT250 Gray Cast Iron / Al Alloy | Zero structural porosity (Micro-Computed) | ASTM A48 / ISO 185 |
| Bore Cylinder Diameter | ±0.05 mm | ±0.02 mm (Super-micro honed) | Coordinate Measuring Machine (CMM) |
| Piston Seal Compounds | EPDM (OEM spec) | High ozone & low-temp resistance | ISO 3601 / ASTM D1418 |
| Burst Pressure Threshold | Min 15 MPa | Proven up to 22 MPa | High-pressure destructive test |
| Working Temperature | -40°C to +120°C | Fully functional, seal elasticity retention | Thermal Chamber Cycle testing |
Across global industrial networks, vehicles relying on the OEM 8-94233-500 series are the backbone of urban transport and short-haul logistics. These platforms demand high utilization rates, meaning fleet managers require components that minimize downtime.
In Southeast Asia (e.g., Thailand, Indonesia, Philippines), vehicles operating in tropical and coastal climates experience severe humidity and heat. This demands highly rust-resistant surface coatings, such as zinc-plating or electrophoretic paint. In North America and Europe, cold-weather road salting requires advanced external corrosion protection to prevent early failure. Wuhu Qiujing addresses these localized scenarios through multi-stage anti-corrosion treatments, protecting our units from chemical, environmental, and mechanical wear.
Wuhu Qiujing Auto Parts Co., Ltd. utilizes an integrated supply ecosystem that balances scale, speed, and cost. Located in Anhui Province, the automotive hub of Eastern China, our 6000m² manufacturing facility is optimized for lean production.
Our automation strategy includes multi-spindle CNC machining centers that perform drilling, boring, and threading operations in a single setup. This minimizes positioning errors and guarantees structural alignment between the cylinder bore and piston assembly. We utilize automated coordinate measuring equipment and optical sorting units to verify that every component matches OEM drawing configurations.
Furthermore, our annual capacity of over 2,000,000 units provides us with strong purchasing power for raw materials. High-grade cast iron ingots, aluminum alloys, and high-performance sealing kits are sourced directly from ISO-certified metal refineries and specialized seal suppliers. This vertical integration allows us to offer competitive wholesale prices without compromising quality.
The global automotive parts sector is transitioning toward lightweight, smart, and environmentally sustainable designs. For hydraulic master and slave cylinders, this shifts focus toward high-strength aluminum alloys and engineering plastics, which reduce vehicle weight and improve fuel efficiency.
Wuhu Qiujing is actively researching and integrating these lightweight structures. Additionally, we are working to integrate electronic stroke sensors into cylinder assemblies to support Advanced Driver Assistance Systems (ADAS) and electronic braking setups. We also maintain a green manufacturing process, using eco-friendly plating solutions and water-recycling cooling systems to comply with international environmental standards.
For international buyers, procurement decisions require balancing unit cost, MOQ requirements, tooling charges, and logistics lead times. Wuhu Qiujing offers a clear pricing framework based on volume, packaging requirements, and customization needs.
| Order Class Tier | Order Quantity (MOQ) | Standard Pricing Guide | Customization Level | Average Shipping Lead Time |
|---|---|---|---|---|
| LCL / Trial Order | 100 – 500 pcs | Base Factory Quote | Neutral Brand Packaging | 15 – 25 Days |
| FCL Standard Bulk | 501 – 2,000 pcs | 5% - 8% Discount | Laser Etching & Custom Box Design | 30 – 45 Days |
| Strategic Supply Chain Contract | 2,000+ pcs | Custom Wholesale Terms | OEM Custom Specs & Logistics integration | Scheduled Annual Releases |
Professional, efficient, integrated, and comprehensive service system
We own and operate our production facility, featuring over 6000+m² of manufacturing space, 50+ professional technicians, and a capacity of 2M+ units annually.
Equipped with modern manufacturing and testing equipment. We stand behind our engineering with a comprehensive two-year after-sales service policy.
We use uniform quality control protocols and flexible scheduling, making us a dependable partner for long-term global supply contracts.
Dedicated R&D, production, QA/QC, and international sales divisions ensure efficient communication and delivery.
Verified Quality Control in Accordance with Leading Automotive Standards
Essential Answers to Support Your Procurement Process
Stay Informed on Production Advancements, Holiday Schedules, and Industry Trends
Read about our holiday schedule adjustments and emergency contact details for our global sales teams during seasonal breaks.
View Details
Our facility has resumed normal production. Our automated assembly lines and tooling areas are operating at full capacity to fulfill backlog orders.
View Details
Our logistics team successfully packaged and shipped high-priority cylinder orders to international distributors ahead of the year-end cutoff.
View Details
Precision-Matched Hydraulic Cylinders & Valves for Diverse Fleet Profiles
