MIDWEST TRUCK & AUTO PARTS AIR DRYER FITS AD9 12V Part No: WAP22-007

$161.00

The WAP22-007 AD9 12V Air Dryer by Midwest Truck & Auto Parts (sold via Wofford Truck Parts) is engineered to remove moisture and contaminants in heavy-duty air brake systems. It fits AD9 style applications, includes a 12V heater, and comes with standard inlet, outlet, and control port sizes. Ideal for replacing worn dryers, it is built to OEM specifications and engineered for reliable brake air system performance under demanding environments.

Specifications

The WAP22-007 AD9 12V Air Dryer from Midwest Truck & Auto Parts (marketed via Wofford Truck Parts) provides high-reliability moisture removal for heavy truck air brake systems. This air dryer is designed to exact AD9 (commonly used) form factor and includes a 12V heater to prevent freezing in cold climates. According to its spec sheet:

Control Port: 0.25 in

Delivery / Supply Ports: 0.5 in

Outer Diameter: ~7.125 in

Wattage: ~75 W heater

It is sold as a direct replacement for many OEM AD9 dryers, matching common cross-reference numbers (see list below). It is constructed with corrosion-resistant cast aluminum housing, internal vibration dampers, and is intended to meet or exceed OEM performance standards in heavy truck braking systems. Be sure to use the correct mounting, port orientation, and ensure your brake system matches the AD9 specification before installation.

Weight

24.25