Czsmbt High Boost Purge Valve Kit for Bendix AD-IS/AD-IP 12V – Replacement for 801266 065612 K022105, Includes Hardware

This kit contains the high-pressure purge valve and all required small parts to restore proper purge operation on compatible Kenworth and Peterbilt air dryers. Built from durable materials and precision processed, the Czsmbt kit is intended as a straightforward aftermarket swap to get your AD-IS or AD-IP unit back to consistent cycling without replacing the entire dryer assembly.

Will this kit fit my Bendix AD-IS or AD-IP air dryer?

Yes — the Czsmbt kit is designed to match the form and function of Bendix part numbers 801266, 065612 and K022105 used on many 12V Kenworth and Peterbilt applications. Confirm your dryer model and part number before ordering to ensure compatibility.

• Replaces Bendix part numbers: 801266, 065612, K022105
• Compatible with AD-IS and AD-IP 12V air dryers
• Common on Kenworth and Peterbilt models using these OEM numbers

How easy is installation and what comes in the kit?

Installation is a basic mechanical replacement that typically requires removing the old purge valve, cleaning the bore, and installing the supplied valve and hardware. The kit includes the parts needed to complete the job without sourcing additional components.

• Contents: high-pressure purge valve, snap ring, large washer, small washer, white small washer, silicone grease
• Includes lubricant to seat seals and ease assembly
• Standard hand tools required; no special calibration

What performance or longevity can I expect from this replacement valve?

The valve is constructed from premium materials with precise machining and testing to help restore dependable purge cycles and extend service life compared with worn OEM components. Proper installation and regular dryer maintenance will support long-term performance.

• Precision-processed parts for consistent sealing and operation
• Materials chosen for wear resistance and corrosion tolerance
• Packaged hardware to reduce risk of installation errors

Are there troubleshooting tips after installing the kit?

If purge cycles remain irregular after replacement, check for inlet contamination, damaged seals in the dryer body, or electrical issues with the dryer heater and control systems. Verifying clean ports and proper reassembly often resolves common issues quickly.

• Inspect dryer ports and bore for debris before installing new valve
• Use included silicone grease sparingly on seals for proper seating
• Confirm 12V supply and dryer control functions if issues persist

Who is this for: The Czsmbt High Boost Purge Valve Kit is for fleet technicians, owner-operators, and maintenance shops needing a cost-effective replacement for failed or worn purge valves on Bendix AD-IS/AD-IP 12V air dryers. It suits anyone comfortable with basic mechanical replacements who wants to avoid replacing the entire dryer and aims to return a rig to reliable air system purge performance quickly.