High Performance 4890 AC Hose China Suppliers and Factory for Automotive Systems
The 4890 AC Hose is a high-performance automotive air conditioning hose engineered specifically for cars, trucks, and specialized vehicles. Designed to operate within demanding thermal and pressure environments, this hose ensures optimal refrigerant flow while maintaining superior system integrity through low permeability and high pulse resistance.
Combining advanced material science with precision engineering, our AC hoses provide exceptional defense against ozone, aging, and mechanical shocks. Whether for OEM replacements or custom automotive upgrades, the 4890 series delivers the reliability required to maintain peak cooling efficiency and longevity in any climatic condition.
Detailed Parameters
| Inner Diameter (I.D) Range | 5/16" to 5/8" (8.2mm - 16.0mm) | Outer Diameter (O.D) Range | 14.7mm to 23.6mm |
|---|---|---|---|
| Wall Thickness | 5.0mm to 6.2mm | Max Working Pressure | 2.5 to 3.5 Mpa (363 to 508 Psi) |
| Min Burst Pressure | 15 to 18 Mpa (2175 to 2610 Psi) | Min Bend Radius | 63mm to 104mm |
| Permeation Rate | 1.6 kg/㎡/year | Application Scope | Automotive AC Systems |
| Material Property | Ozone & Aging Resistant | Performance Standard | Low Permeability & Shockproof |
Key Advantages
Extreme Durability
Engineered for high pulse resistance and shock absorption to prevent fatigue in vibrating environments.
Aging Resistance
Advanced rubber compounds ensure long-term stability against ozone and extreme temperature fluctuations.
Industry Expertise
Backed by engineers from Goodyear and Parker with over 15 years of technical leadership in rubber manufacturing.
Low Permeability
Specially developed materials minimize refrigerant leakage, maintaining peak AC system efficiency.
R&D Driven
Continuous collaboration with top research institutions for cutting-edge materials and processes.
OEM/ODM Ready
Full capacity for custom design, development, and comprehensive testing reports per client specifications.
Product Gallery
Management Platforms
PVC Film Packing
Transparent high-grade PVC film for moisture protection and clear visibility.
Woven Bag Packing
Heavy-duty color woven bags (Blue/White/Green/Yellow) for bulk durability.
Palletized Shipping
Professional pallet packing to ensure stability and safety during international transit.
Carton Solutions
Standardized industrial carton packing for easy inventory management and retail.
Spool Packaging
Optimized spool packing for long-length hoses to prevent kinking and tangling.
Quality Testing
Rigorous performance experimentation and reporting for every batch produced.
Investment Return Comparison
| Feature Metric | Standard Rubber Hose | KEMO Premium AC Hose |
|---|---|---|
| Service Life | Medium (Short cycle) | High (Extended lifespan) |
| Leakage Rate | Standard Permeation | Ultra-Low Permeation |
| Pressure Stability | Moderate Resistance | High-Burst Pressure Rating |
| Environmental Resistance | Basic Aging Protection | Superior Ozone/UV Resistance |
| Maintenance Cost | Frequent Replacement | Reduced Long-term TCO |
Frequently Asked Questions
Our hoses are specifically engineered with high pulse resistance and a high burst pressure rating (up to 2610 Psi), making them ideal for the high-vibration environments typical of heavy-duty trucks.
Yes, KEMO provides comprehensive OEM and ODM services, including new product design, material development, and the provision of detailed testing reports to meet your specific requirements.
Low permeability prevents the refrigerant gas from escaping through the hose walls, ensuring the air conditioning system maintains optimal pressure and cooling efficiency over time.
We utilize advanced synthetic rubber compounds developed in collaboration with leading research institutions to ensure the hoses do not crack or degrade when exposed to ozone and harsh weather.
We offer various secure options including pallet packing, color woven bags, and spool packing to ensure the product arrives in perfect condition regardless of the shipping distance.
Absolutely. With our internal testing capabilities and partnerships with professional testing centers, we can provide detailed reports on burst pressure, permeability, and aging resistance.
Ready to upgrade your automotive cooling systems with industry-leading hose technology?
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