With three leg lengths

Compatible with 1/4"

and the brackets to the vehicle

WABCO : 4231061440

Fully Waterproof with Taped Seams

EBS 02.06.2730.101 SPRING BRAKE - DISC - TY27/30 ( 9254891010 ) YBX 9000 With three leg lengthsBrake chambers are used on truck and trailer air brake systems, located at each wheel, where compressed air is converted into a mechanical force used to apply the brakes and stop the vehicle. They are also designed to apply the the brakes automatically in the event that there is a loss of system air pressure. This happens because the air pressure holding back the heavy parking emergency spring dissipates allowing the spring to extend the pushrod which