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| Brand Name : | GUOMAT |
| Model Number : | 661N |
| Certification : | ISO/TS16949:2009 |
| Price : | USD29.9-39.9/PC |
| Payment Terms : | L/C, T/T, Western Union Or Others |
| Supply Ability : | 1000PCS/Week |
| Delivery Time : | 3-7 Working Days |
Contitech 661N Bus Air Suspension Goodyear 8018 Rubber Air Spring
| Natural Outer Diameter | 240mm |
| Opening Diameter | 150.8mm |
| Height | 391mm |
Passenger Car Air Spring
An air spring, also known as an air bag or air bellows, is a component used in place of conventional steel springs in certain heavy vehicle applications, including buses, trucks, and some passenger cars . It is designed to provide a smooth and constant ride quality, and in some cases, it is used for sports suspension . Air springs are made of rubber bellows that contain pressurized compressed air, and they are inserted into the vehicle's factory coil spring . The air spring expands into the spaces in the coil spring, preventing the factory spring from fully compressing and keeping the vehicle from sagging .
Air springs have several advantages and functions in passenger cars. They can keep the vehicle at a constant level, regardless of the load it carries .This feature allows for improved aerodynamics at high speeds and can increase the vehicle's range .
Air springs can also optimize airflow under the car for passive battery cooling in electric vehicles and protect the batteries in bad road conditions, ensuring a minimum ground clearance .
Additionally, switchable air springs can provide different degrees of stiffness, allowing for quick transitions between a firm suspension for confident and safe driving behavior and a more comfortable setup for long road trips .
GUOMAT also Supplies Bus Air Springs in Other Sizes
| GUOMAT | Contitech | Outer Diameter | Nominal Diameter | Height |
| 644N | 644N | 210mm | 130.8mm | 395mm |
| 662N | 662N | 300mm | 198.1mm | 360mm |
| 673N | 673N | 240mm | 130.8mm | 370mm |
| 701N | 701N | 260mm | 179mm | 345mm |
| 706N | 706N | 240mm | 130.8mm | 510mm |
| 713N | 713N | 240mm | 130.8mm | 492mm |
| 715N | 715N | 265mm | 150.8mm | 350mm |
| 716N | 716N | 265mm | 130.8mm | 460mm |
| 719N | 719N | 300mm | 198.1mm | 530mm |
| 720N | 720N | 240mm | 130.8mm | 460mm |
| 727N | 727N | 300mm | 198.1mm | 450mm |
| 728N | 728N | 290mm | 198.1mm | 470mm |
| 737N | 737N | 256mm | 130.8mm | 485mm |
| 746N | 746N | 265mm | 130.8mm | 460mm |
| 757N | 757N | 265mm | 130.8mm | 385mm |
| 762N | 762N | 300mm | 198.1mm | 390mm |
| 768N | 768N | 265mm | 130.8mm | 385mm |
| 769N | 769N | 190mm | 130.8mm | 380mm |
| 775N | 775N | 300mm | 198.1mm | 685mm |
| 782N | 782N | 210mm | 130.8mm | 412mm |
| 786N | 786N | 200mm | 100.8mm | 355mm |
| 788N | 788N | 178mm | 130.8mm | 438mm |


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| Company Info. |
| GUANGZHOU GUOMAT AIR SPRING CO. , LTD |
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