Keep your air system running clean and dry with this professional-grade AD-9 Air Dryer Check Valve Kit. When your air dryer starts blowing moisture or contaminants into your brake lines, this complete valve kit gets you back on the road fast with reliable air pressure protection.
Key Features & Benefits
- Complete Valve Replacement Kit - Everything you need for a proper AD-9 air dryer repair, no hunting for individual components
- OEM-Quality Construction - Built to handle the demanding conditions of over-the-road trucking with long-lasting materials
- Easy Installation - Straightforward replacement process that experienced drivers can handle roadside if needed
Technical Specifications
This check valve kit is specifically designed for AD-9 air dryer systems commonly found on Peterbilt, Kenworth, Freightliner, and other heavy-duty trucks. The kit includes all necessary seals, springs, and valve components to restore proper air dryer function and prevent moisture contamination in your brake system.
Don't let a faulty air dryer put your rig out of service. This professional-grade replacement kit delivers the reliability and performance you need to keep your air system operating at peak efficiency mile after mile.
