AD-IS Style Air Dryer – 12V Aftermarket Replacement for Bendix AD-IS

Keep Your Air Brake System Dry, Protected, and Performing at Its Best

This 12V AD-IS Style Air Dryer is a high-performance aftermarket replacement for the Bendix® AD-IS Integrated Air Dryer System. Designed for durability and ease of maintenance, this all-in-one unit includes the air dryer, purge valve, pressure protection valves, and integrated governor — all in one compact, rugged assembly.

Perfect for Class 7–8 trucks, buses, and commercial vehicles, this dryer is a cost-effective alternative to OEM units, matching the performance of models like Bendix 801266, 109685X, 5010696, and others.

Key Features

• OEM-Compatible Replacement
  Replaces Bendix AD-IS models: 801266, 801135, 5008414, 5010696, 109685RX
• Integrated System
  Combines air dryer, purge valve, pressure protection valves, and governor into one unit
• 12V Heater & Thermostat
  Prevents moisture freeze-ups in cold weather applications
• Heavy-Duty Aluminum Housing
  Corrosion-resistant body designed to handle harsh road conditions and long hauls
• Easy Installation
  Standard port and mounting configuration for quick, hassle-free replacement
• Serviceable Design
  Supports aftermarket or OEM-style desiccant cartridges and purge valve kits

Specifications

• Voltage: 12 Volts DC
• System Type: AD-IS (Integrated System)
• Heater: Built-in 12V with thermostat
• Purge Valve: Integrated, automatic
• Material: Aluminum body
• Ports: Standard air system ports
• Operating Pressure: 100–135 PSI
• Mounting Style: Frame-rail compatible

Cross Reference Part Numbers

• Bendix®: 801266, 801135, 5008414, 5010696, 109685RX
• Automann®: 170.801266
• Meritor / Wabco: R955300, R950011
• Alliance®: ABP N42A-AA009

 Applications

This aftermarket AD-IS air dryer is compatible with:

• Freightliner
• Peterbilt
• Kenworth
• International / Navistar
• Mack
• Volvo
• Western Star
• Other Class 7–8 trucks and heavy-duty applications

Note

• Designed for 12V systems only (not compatible with 24V systems)
• Please verify your existing dryer’s mounting pattern, voltage, and port layout before ordering
• Replacement desiccant cartridges and purge valves are sold separately