Nahntaipy Purge Valve Kit for Bendix AD-IS/AD-IP 12V, Fits OE 801266/065612 K022105, Includes Gasket & Grease

This kit restores the high-boost purge function by supplying a precision-molded purge valve, gaskets, snap ring, washers and silicone grease. Built to replace OE numbers 801266, 065612 and K022105, the set is engineered to match original dimensions so it installs into existing Bendix housings without modification. Durable materials and careful processing increase service life compared with worn factory parts.

How do I know this valve kit fits my Bendix air dryer?

Compatibility is based on part numbers and the AD-IS/AD-IP 12V platform. If your unit lists OE numbers 801266, 065612 or K022105, this Nahntaipy kit was produced to those specifications and will align with the original mounting and sealing points.

• Fits Bendix AD-IS and AD-IP 12V air dryers
• Direct replacement for OE 801266, 065612, K022105
• Commonly used on Kenworth and Peterbilt heavy trucks

What is included in the purge valve kit and what materials are used?

The package contains every piece required to restore the purge assembly so you won’t need extra hardware. Components are made from reinforced polymers and metal where needed, and the kit includes silicone grease to protect seals during installation and initial operation.

• 1 high-pressure purge valve (precision molded housing)
• 1 snap ring, 3 washers (large, small, white small) and silicone grease
• Gaskets and sealing surfaces designed for long-term reliability

How do I install the Nahntaipy purge valve kit safely and correctly?

Installation follows a straightforward procedure but requires depressurized lines and basic tools. Begin by ensuring the air tank is fully exhausted, clean the mounting area, remove the old snap ring and valve, lubricate the replacement valve with the supplied silicone grease, then seat the valve and secure the snap ring.

• Always verify the air tank is at zero pressure before starting
• Use circlip pliers to remove and reinstall the snap ring
• Smear supplied silicone grease on the valve to aid seating and protect seals

What performance and durability can I expect from this replacement valve?

Nahntaipy manufactures the valve body to resist wear and protect internal components from impact and environmental exposure. Precision processing reduces leak paths and helps maintain purge efficiency under repeated duty cycles, while included washers and proper snap ring seating ensure stable operation.

• Robust housing resists mechanical damage and deformation
• Precision-fit components reduce chance of leaks and premature failure
• Supplied grease and washers extend seal life after installation

Who is this kit intended for? This Nahntaipy purge high boost valve kit is aimed at fleet technicians, owner-operators and maintenance shops that service Kenworth and Peterbilt trucks with Bendix AD-IS or AD-IP 12V air dryers. It's ideal when OE purge valves show signs of wear, leakage, or if the part numbers match 801266/065612/K022105 and you need a reliable, ready-to-install replacement that includes all necessary hardware and lubrication.