Spring Brake (Disc) II37139ES - BS9391

New Genuine Knorr-Bremse with one year warranty.

A set of Spring Brakes is used for supplying the service and parking brake functions on axles fitted with air disc brakes. The internal wind-off device permits elimination of the parking brake power if the air pressure is no longer present. The Spring Brakes have an integral mounting seal inside the non-pressure housing that prevents dust or water from reaching the caliper.

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Cross References

II37139ES, BS9391