Professional Automotive Tubing Manufacturer:
Guangzhou Sanjing Auto Parts Co., Ltd. is a source manufacturer specialising in automotive tubing systems. Our core product range includes: coolant hoses, heater hoses, return hoses, fuel lines, turbocharger hoses, power steering hoses, and more.
We supply premium replacement parts for BMW models, covering OE part numbers 11531438632, 11531438633, 11531438634, 11531705210, 11531436410 and other commonly used variants.
These components are extensively compatible with BMW 3 Series, 5 Series, X3, X5 and other models, facilitating coolant circulation within the engine cooling system to ensure efficient and safe engine operating temperatures.
Our products are manufactured using high-temperature, oil-resistant and pressure-resistant materials, featuring OE-grade precision matching.
Certified under the ISO/TS16949 quality management system, they ensure stable performance and extended service life.
🏭 Factory Advantages
✅ 22 years of automotive tubing component production experience
✅ Comprehensive coverage of all cooling system tubing categories (coolant hoses, heater hoses, return hoses, turbocharger oil lines, etc.)
✅ OE-grade precision mould development, delivering high dimensional accuracy and excellent interface compatibility
✅ Rapid dispatch with ample stock for mainstay models
✅ Export-grade quality, distributed across Europe, South America, the Middle East, and Southeast Asia
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