12V AD-9 Style Air Dryer – Aftermarket Replacement for Bendix 065225 / 109685

Keep your air brake system clean, dry, and operating at peak performance with this premium AD-9 Style Air Dryer – a direct 12-volt replacement for the widely-used Bendix AD-9 models, including part numbers 065225, 109685, F224680, and 26QE377.

Engineered for heavy-duty trucks, buses, and commercial vehicles, this aftermarket unit features a rugged aluminum housing, integrated 12V heater, and a reliable purge valve system to efficiently remove moisture and contaminants from your air system. Ideal for OE replacement or retrofit projects, it matches OEM performance at a more affordable price.

Key Features

• Direct Replacement for Bendix AD-9
• Replaces OEM part numbers: 065225, 109685, 109685X, F224680, 26QE377
• Voltage: 12 Volts – with integrated heater for cold weather operation
• Durable Construction: Corrosion-resistant aluminum body for long-lasting use
• Efficient Moisture Removal: Helps prevent freeze-ups and protects air system components
• Universal Fit: Standard port configuration compatible with most North American heavy-duty trucks
• Easy Installation: Bolt-on replacement with standard mounting bracket (sold separately or included with some models)
• Cost-Effective: OEM-level performance at a fraction of the dealer price

Applications

• Freightliner, Kenworth, Peterbilt, International, Volvo, Mack, Western Star

• Suitable for tractors, trailers, dump trucks, buses, and more

Specifications

• Heater Voltage: 12V DC

• Port Configuration: Standard (Supply, Delivery, Control)

• Purge Valve: Integrated with heater

• Mounting: Vertical, frame-rail compatible

• Operating Pressure: 100–135 PSI (standard)
  

Cross Reference Part Numbers

• Bendix: 065225, 109685, 109685X

• Automann: 170.065225

• Mack: 26QE377

• Torque: TR065225

• Wabco: R955205

Note: 

• Confirm part number cross-reference and port configuration before ordering

• Replacement desiccant cartridges and purge valves are widely available

• Not compatible with 24V systems (use AD-9 24V version for those applications)