2B9-201 Goodyear Heavy Duty Air Spring W01-358-6935 Firestone Double Bellow Air Bags

2B9-201 Goodyear Heavy Duty Air Spring W01-358-6935 Firestone Double Bellow Air Bags

Product Specification 

OEM Part Number

Goodyear: 2B9-201

Goodyear: 2B 9-201
Goodyear: 578923202

Goodyear: 578 92 3 202

Goodyear: 578-92-3-202

Contitech: 64515

Contitech: FD 200-19 499

Contitech: FD200-19 499

Firestone: W01-358-6935

Firestone: W01 358 6935

Firestone: W013586935

Firestone: W01-358-6856

Firestone: W01 358 6856

Firestone: W013586856

Automann: ABSP2B12R-6935

Dayton: 354-6902

Fleetrite: 2B9-491

Freightliner: 16-14318-000

Granning: 4848

HDA: PMABG-6902B

Int'l/Navistar: 55478C1

Load Guard: SC2010

Masa: 227004001

R&S Truck & Body: 1027505

Ridewell: S-1728-C

Saur Axles: P50-733A(Lift)

Springride: 2B9-493

Suspension Inc.: 200042

Taurus: AS218-6902

Triangle: 4310

Triangle: 4499

TRP: AS69350

2B6935 Air Spring Technical Specifications

The Function of Suspension Air Spring

The core of an air spring is a rubber bladder filled with compressed air, replacing the traditional metal coil spring. It's more than just a simple elastic element; it's an advanced system capable of actively adapting and changing. It can be thought of as an "intelligent, adjustable air cushion," providing comprehensive improvements to the vehicle's ride quality.

First and foremost, its fundamental function is to provide exceptional comfort. Because air is inherently compressible and its internal pressure can be dynamically adjusted, air springs efficiently absorb and filter road bumps and vibrations. Whether driving on potholes or on the highway, they deliver a soft, smooth, "floating" ride quality unmatched by traditional steel springs.

This, combined with the vehicle's powerful adaptive capabilities, is its core advantage. The system uses sensors to monitor vehicle conditions (such as speed, load, and driving mode) in real time and automatically adjusts the air pressure and volume within the bladder. This means:

Regardless of load, the vehicle's ride height remains constant. When a vehicle is heavily loaded or filled with passengers, the rear suspension of a traditional vehicle will be depressed, compromising both ride quality and safety. The air springs automatically inflate, forcing the vehicle back to its standard height, ensuring constant ground clearance and a stable driving position.

It flexibly adapts to different driving scenarios. At high speeds, the system automatically lowers the vehicle to reduce air resistance, improve stability, and enhance fuel economy. When driving off-road or navigating challenging terrain, it raises the vehicle to enhance maneuverability and prevent bottoming out. This flexibility is unattainable with traditional fixed-height suspension systems.

In addition, it significantly improves vehicle handling stability and safety. Because the vehicle's height remains stable, wheel alignment parameters (such as camber) are prevented from drastically changing due to load fluctuations, ensuring optimal tire contact with the road. Furthermore, the firmer air pressure provides greater lateral support during cornering, effectively suppressing body roll and giving the driver a more stable, stable, and confident ride.

Finally, it offers a high degree of customizability. Drivers can typically manually select different driving modes (such as Comfort, Sport, Off-Road, and Easy Entry/Exit) via a button inside the vehicle, actively changing the height and firmness of the suspension, allowing the vehicle to exhibit distinct personalities at different times and meet diverse needs.

In summary, the role of air springs in suspension goes far beyond simply providing cushioning. Using air as a medium, they cleverly combine the sometimes conflicting characteristics of comfort, ride quality, handling, and safety, and intelligently adjust based on demand, ultimately achieving comprehensive optimization of vehicle performance and a significant leap in quality.

The Related Picture of 2B6935

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