Brake Chamber (Wedge) I70694AT - BZ3221

New Genuine Knorr-Bremse with one year warranty.

The Levelling Valve guarantees that the axle suspension air bags maintain a constant chassis height independent of the engine load on vehicles equipped with air suspension. Levelling valves with the feature "Height Limitation" avoid manually increasing the height of the frame above a set limit. Levelling valves with the feature "Second Ride Height" allow the driver to signal the valve pneumatically and lift the frame to an alternate height of the ride.

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Cross References

I70694AT, BZ3221