Carrier 317659-403 Air Filter (19-7/8" x 21-1/2" x 3/4")
An OEM replacement air filter used in Carrier HVAC equipment where the specified filter size and part number 317659-403 is required.
Key Features:
- Identified as an official OEM air filter for Carrier HVAC equipment
- Size listed: 19-7/8" x 21-1/2" x 3/4"
- SupplyHouse notes it replaces part number 1171653
- Confirmed as washable
Compatibility & Applications:
- Listed for Carrier HVAC equipment (model-specific)
- Must only be used where the manufacturer specifies this exact part number: 317659-403
- Reviewer-reported example: used successfully with Carrier model FX4DNF037
Installation & Operation Notes:
- The provided sources do not include step-by-step installation instructions
- Installation should follow the HVAC unit's service/owner documentation for the correct model to confirm fit, orientation, and access method
- Because the filter is described as washable, ensure it is fully dry before reinstalling (sources confirm washability but do not provide washing procedure details)
Maintenance & Troubleshooting:
- Reviews commonly describe replacing/cleaning this filter on a routine schedule (examples mentioned include every 6 months and replacing after multiple years of use)
- Review-reported issues include filters arriving bent/damaged, and one reviewer questioning whether it felt like the same quality as their original filter
- If fitment is uncertain, multiple reviews emphasize confirming the correct size/part number (some users report getting help by providing their unit model information)
User Reviews & Q&A Summary:
- Common review themes:
- Correct fit and works as expected for the intended unit
- Positive feedback on availability and support when the size is hard to find
- Mixed feedback on condition/quality on arrival (occasional reports of dents/bending)
- Washable/reusable nature is viewed as a cost-saving benefit
- Q&A theme:
- A customer asked if it is washable; SupplyHouse staff replied yes, it is washable.