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(888) 312-8812 Login SignupThe Mack Suspension Air Spring Kit supports rear suspension load while maintaining proper ride height on Mack truck chassis. At the center of the kit is a heavy-duty rubber air spring designed to repeatedly compress and rebound under constant load, absorbing road impacts before they transfer into the frame, cab, and cargo. Maintaining consistent air pressure allows the suspension to stay level, which helps keep driveline angles and axle alignment within specification. This kit includes the air spring and required mounting hardware so the assembly installs cleanly without reusing worn fasteners. Built for vocational operation, the Mack 20910892 air spring withstands exposure to dirt, road salt, and job-site debris.
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