8PCS Metal Air Dryer Purge Valve with Heater 5004341 for Bendix AD9 Replacement Efficient Stable Performance Features： 1、OE Number: Purge valve set replace part number are 800405, 5004341. Please check the part numbers whether it suits your vehicle before purchasing. 2、Professional and Reliable: Replacement for Bendix. Upgraded and professionally designed to meet your usage needs and bring you a reliable experience. 3、Enhanced Efficiency: By using this purge valve kit, your vehicle's performance will be greatly improved, keeping your vehicle in optimal condition. 4、 Material: Made of metal construction, high strength, sturdy and strong, not easy to deformation and damage, ensuring long lasting performance. 5、Easy Installation: The installation and replacement process is convenient and can be easily done by non professionals, saving your time and effort. Specification： Item Type: Air Dryer Purge Valve Material: Metal OE Number: 800405, 5004341 Fitment: Replacement for Bendix?AD-9 Air Dryer Package List： 1 x Purge Valve Kit(8PCS)