Sterling Heater Defroster Ventilation Door | YFRH 18A559 AB
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Description
The YFRH 18A559 AB is an OEM Sterling (Freightliner/Sterling) HVAC mode door that regulates airflow within the cab’s heating, defrosting, and ventilation system. Constructed from durable ABS plastic, it measures approximately 6.8″ × 5.02″ × 0.5″ and resists temperature variations during extended use. This vent door ensures consistent distribution of conditioned air across defrost, dash, and floor vents, promoting driver comfort. Designed to OEM standards, it delivers reliable operation and precise fitment within the cab’s ventilation assembly.
Features
- Material: ABS
- Length: 6.80 in
- Width: 5.02 in
- Thickness: 0.50 in
WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov
| Shipping Weight (lb) | 1.00 |
|---|---|
| Manufacturer | Sterling Parts |
| Shipping Length (in) | 9.00 |
| Shipping Width (in) | 6.00 |
| Shipping Height (in) | 2.00 |
| Returnable | Yes |
| Core Exchange | No |










