4390NP01 Contitech Truck Suspension Air Spring A9423200121 Mercedes Benz Air Shock

Product Details:

Place of Origin:	CHINA
Brand Name:	GUOMAT
Certification:	ISO/TS16949:2009
Model Number:	1T6024

Payment & Shipping Terms:

Minimum Order Quantity:	6pcs
Price:	$89.9-99.9/pc
Packaging Details:	Strong Carton Box or As Customers Need
Delivery Time:	3-8 work days
Payment Terms:	L/C, T/T, Western Union
Supply Ability:	1000pcs/week

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Detailed Product Description

Brand:	GUOMAT	Packaging:	Carton
Application:	Truck	Color:	Black
Size:	Customized	Contitech:	4390NP01
Piston Material:	Steel	Other Name:	Air Suspension
Highlight:	Contitech truck air spring , Mercedes Benz air shock , Truck suspension air spring

4390NP01 Contitech Truck Suspension Air Spring A9423200121 Mercedes Benz Air Shock

Product Overview

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

Cross-Reference Part Numbers

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

Truck Air Spring Technology

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

Performance Benefits

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.