Our factory specializes in the production of OEM-grade hose assemblies for Mercedes-Benz vehicles, including part numbers A2538602200, A2128600792, A2078600492, and A2048601992. These hoses are widely used in cooling systems, washer systems, and auxiliary pipe routing.
Main Functions
- Stable Fluid Delivery – Designed to handle coolant, washer fluid, or air with high pressure resistance.
- OEM-Level Fitment – Manufactured according to original dimensions to ensure 1:1 installation with no modification.
- Heat & Chemical Resistance – Multi-layer rubber, PA nylon, EPDM, or aluminum-rubber hybrid structures ensure long-term durability.
- Leak-Proof Performance – Each hose assembly is tested for pressure, flow, and sealing to guarantee zero leakage before shipment.
- Extended Service Life – UV resistance, anti-aging material, and strong reinforcement layers reduce maintenance costs.
Suitable Vehicle Models
- (General Mercedes-Benz categories)
- C-Class / E-Class / S-Class
- GLC / GLE / GLS
- CLA / CLS / A series
As a professional automotive hose manufacturer in China, our factory provides complete in-house production-from raw material extrusion to final assembly.
Manufacturing Strengths
- Automated Hose Extrusion Lines
Ensure precise diameter control and material uniformity.
- Precision Mold Development
1:1 tooling based on OEM samples and technical drawings.
- Advanced Braiding & Reinforcement Technology
Multi-layer reinforcement for high-pressure hose applications.
- 100% Pressure & Leak Testing
Each product is inspected using OEM-level testers.
- Custom Production (Available)
✔ Small-batch orders
✔ Custom branding
✔ Hose design based on drawings / samples
We follow a strict quality management process:
- Incoming Material Inspection – Rubber, nylon, and metal components tested for hardness, elasticity, and chemical resistance.
- Dimension & Tolerance Control – Every batch measured with digital inspection tools.
- Burst Pressure Tests – Simulate extreme working conditions.
- Vacuum & Seal Tests – Ensure no micro-leaks.
- Aging & Temperature Cycling – Test performance from -40°C to 120°C.
- Final QC With OE Samples – Compare with genuine Mercedes-Benz parts for precision.
This guarantees stable performance even under long-term engine heat and vibration.
Guangzhou Sanjin Automotive Piping Fittings is committed to providing high-quality Mercedes-Benz OEM piping fittings to global customers, earning industry recognition for its stable performance, precise matching, and rigorous quality control. Leveraging 22 years of manufacturing experience and a well-established export system, we offer reliable, durable, and ready-to-use solutions for wholesalers, repair shops, and brand owners.
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