1、Applicable Model: The air compressor valve service set is for KU pumps, for G GC GU GCU MG MGU and more pumps. Please confirm whether it is consistent with the product you want to avoid unnecessary return. 2、OE Number: The part number for reference is 421‑1102. Please confirm whether it is consistent with the OE you need to avoid wrong buying and other problems. 3、Durable Material: The compressor head repair kit is made of durable and reliable material, high temperature and wear resistant, having a long service time. 4、Ideal Replacement: The compressor valve service set is a perfect replacement for car repairing, can directly replace the old and broken accessory, ensuring the normal operation of your car. 5、Perfect Fitness: The compressor intake valve service set uses the delicate technology design to match all specifications of the original part, can fit the original car better.