







🔥 Upgrade your air dryer game—stay frost-free, stay ahead!
The AD-9 Air Dryer Purge Valve with Heater is a precision-engineered replacement part compatible with Bendix 5004341 and 800405 models. Featuring an integrated heater to prevent freezing, it ensures optimal air drying performance in all conditions. Lightweight and compact, it includes all necessary installation hardware and silicone grease for a smooth, professional fit. Supported by dedicated customer service, this valve is designed to maximize your vehicle’s HVAC reliability and uptime.





| Manufacturer | RADHLBNIU |
| Brand | RADHLBNIU |
| Model | Air Dryer Purge Vavle |
| Item Weight | 13.4 ounces |
| Package Dimensions | 4.13 x 3.66 x 3.35 inches |
| Item model number | RADHLBNIU-D644 |
| Manufacturer Part Number | 800405, 5004341 |
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