W01-M58-7238 Firestone Steering Axle Air Springs 813MB Contitech Suspension Balloon Spring

Corss Reference Number

Firestone: W01-M58-7238

Firestone: W01- M58 7238

Firestone: W01M587238

Firestone: WO1-M58-7238

Firestone: WO1- M58 7238

Firestone: WO1M587238

Contitech: 813MB

Contitech: 813 MB

Phoenix: 1D28B-5

Value of Air Suspension for Truck Use

Excellent Load Leveling and Towing Stability

Biggest Benefit: Air suspension automatically adjusts pressure to maintain a consistent ride height regardless of load in the bed or weight on the front of the trailer.

Prevents Sagging: Eliminates the "squatted" look and dangerous tail droop that can affect handling, braking, headlight aiming, and stress the frame.

Improves Handling: Keeps the truck level, improving stability, steering response, and braking performance, especially important when towing a heavy load or carrying a payload.

Smoother Ride When Fully Loaded: Provides a more comfortable ride when heavily loaded compared to overloaded conventional springs.

Adjustable Ride Height

Easier Loading and Unloading: Lower the truck at the touch of a button for easier entry and exit of a cargo box or hitch.

Improved Aerodynamics: Slightly lowering the truck for highway driving can slightly improve fuel economy.

Increase ground clearance: Raises the truck to tackle off-road obstacles, deep snow, or rough terrain (common in high-end systems or aftermarket kits).

Stays level on uneven ground: Good for camping or working on uneven surfaces.

Improves unladen ride comfort (potential)

When unladen and set to lower pressure, air springs absorb bumps and road irregularities more smoothly than traditional leaf springs found on many heavy trucks, resulting in a more comfortable daily ride. This is more noticeable on larger trucks (heavy-duty pickups).

Customizable ride: Some systems, especially aftermarket ones, allow you to adjust the firmness or softness of the ride to suit your personal preferences or driving conditions.

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