AD-IS Air Dryer

When your heavy-duty truck’s air-brake system demands dependable moisture and contamination removal, the Bendix 801266 AD-IS Air Dryer from Wofford Truck Parts is engineered to deliver. This AD-IS® series module incorporates the air dryer, purge reservoir, governor, and multiple pressure-protection valves in a single unit. Featuring a 12-V/90-W heater, standard ½″-14 NPT supply port, and ¼″-18 NPT delivery ports, the dryer removes water and contaminants before they reach your brake system, thus extending component life and reducing downtime. Ideal for high-usage applications, the module supports easy cartridge replacement and is remanufactured/re-engineered to meet OEM specifications. Choosing this unit helps maintain system compliance, reduce reservoir drain-down, and enhance air-brake reliability across your fleet.