The AD-IS Integrated Solution Air Dryer combines the air dryer, purge reservoir, governor, and a number of the charging valve components in a single module. The desiccant cartridge is a spin-on type, and all serviceable parts can be maintained without removing the air dryer from the vehicle. Cross References: 801266 5010694, 5015533, 5015534, 5010696X, BW5010694, 5010694BXW, BX5010694, BEN5010694, 801266BXW, BW801266, BEN801266