What to match before buying
- The linked manufacturer sources explicitly list these 1 model codes for 847201.
- US cartridge page names RF523GDUX as a family reference; do not extrapolate full revision identifiers.
- Accessory field explicitly says 847201 - FWC4.
Find the model and filter codes
- Photograph the rating label inside the refrigerator.
- Keep the complete model code, including any finish, market or service revision suffix.
- Find that exact code in the model list on this page; an unlisted suffix needs its own manufacturer confirmation.
- Compare 847201 with the cartridge specified in the appliance documentation.
- Compare the reference and pack on the final Amazon page; the shopping destination does not establish compatibility.
Other models and cartridge variants
- These sources do not extend compatibility to unlisted model variants or revisions.
- US source coverage does not establish compatibility for another regional model.
Manufacturer sources
Documentation reviewed by Codex (manufacturer documentation). Checked 12 Oct 2026. This is a source review, not a physical fitting test.