4390NP01 Contitech Truck Suspension Air Spring A9423200121 Mercedes Benz Air Shock
Truck Air Springs are engineered for heavy load capacity and extended service life. Available in various sizes, they are custom-tailored to meet specific truck requirements. These high-quality components are built to withstand demanding conditions while delivering superior performance. Available as GUOMAT or OEM branded products, they come conveniently packaged for easy transport and storage.
Brand: GUOMAT
Model Number: 1T6024
Material: Rubber and Steel
Warranty: 1 Year
- Contitech: 4390NP01 / 4390 NP01 / 4390 NP 01
- Goodyear: 9505
- Phoenix: 1KF21-1NP
- Airfren: 20.4390.1CM
- FEBI: 32816/15022
- WABCO: 9518950500
- Peautomotive: 084.107-11A/21A
- Peautomotive: 084.107-41A/084.107-71A
- Airtech: 34390-01K/130982
- Templin: 04.060.6006.940
- Benz: A9423200121
- Dunlop FR: D12T10
- DT: 4.80868
- Mertor: MLF7108
- DB Truck: 9423200121
- Granning: 15956
Air springs are fundamental components of modern truck air suspension systems, utilizing compressed air instead of traditional metal springs to dampen vibrations. Beyond enhancing driver comfort, their primary value lies in protecting cargo and improving vehicle adaptability across diverse road conditions.
| Feature | Truck Air Spring | Traditional Leaf Spring |
|---|---|---|
| Working Principle | Uses compressed air as the elastic medium; stiffness is variable | Relies on the bending of metal leaves; stiffness is fixed |
| Ride Comfort | Excellent. Effectively filters high-frequency vibrations, protecting both cargo and delicate instruments | Average. More vibration is transferred to the chassis and cargo |
| Load Capacity & Adjustment | Automatically/Manually adjustable. Air pressure changes to adapt to different loads, maintaining stable ride height | Fixed capacity. Ride height changes significantly with varying loads |
| Service Life | Longer. Designed for over 3 million cycles under normal use | Relatively shorter. Typically designed for about 500-600 thousand cycles |
| Overall Cost | Higher initial purchase price and more complex maintenance system. Higher long-term value due to reduced road impact and better cargo protection | Lower initial cost and simpler structure |
The improvement doesn't come as a single dramatic moment. It reveals itself gradually—mile after mile.
With a properly matched truck suspension air spring installed, road impacts are better absorbed before reaching the chassis. The suspension responds more smoothly to uneven surfaces, maintaining vehicle stability under both light and heavy loads.
Drivers typically notice the cab feels calmer and more controlled, particularly on long routes or rough terrain. The constant vibration that wears down both personnel and components is significantly reduced, enabling extended comfortable operation.
From a maintenance perspective, reduced vibration means less long-term stress on suspension components and mounting points. Over time, this contributes to more consistent performance and fewer fatigue-related issues.
It's not a change you need to explain—it's a difference that becomes evident once you're back on the road.
The road doesn't change—the ride does.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.