1、Fitment: Purge valve kit is replacement for Kenworth replacement for Peterbilt 801266, fit for AD‑IP Air Dryer 065612, please confirm whether your model is applicable before buying. 2、OE Number: The part numbers of purge valve for reference are K022105, TRK022105, 800404, please confirm whether it is consistent with the OE you need. 3、Efficient Draining: Featuring a highly efficient air drying and draining system, the purge valve ensures that the air is pure and dry, helping to improve the efficiency of the powertrain. 4、Metal Material: Purge valve kit is made of sturdy metal materials and undergoes strict quality control and testing, it performs well regardless of any heat and humidity environments. 5、Easy to Install: Designed for easy installation, requires a few simple steps. It saves you time and effort, allowing your vehicle to be upgraded quickly.