Heavy Duty - Rear - Air Suspensions - Important Catalog Notes
Air Suspensions - Rear
Through 2000, all air suspensions are the same as Hendrickson HA or HAS suspension models
Beginning in 2001, Hendrickson HAS, Mack, and Volvo air suspensions were used
See next sections for 2001 and newer Mack and Volvo air suspension models
See listings as required