The Samsung fan motor D31‑00579A (also listed as DB31‑00579A) is an original Samsung outdoor fan motor used in many Samsung air‑conditioning and heat‑pump units. 130W, 900RPM motor designed for reliable airflow in Samsung AC/heating systems, and multiple retailers confirm compatibility across a wide range of Samsung models. 

• Samsung DB31‑00579A — Original cooler/fan motor rated 130W and 900RPM, used in Samsung air conditioners and heating appliances.

• Ensures stable airflow and temperature regulation; fits over 248 Samsung appliance models

• Listings describe variants at DC310V, 125W, depending on the specific AC/heat‑pump model.

Compatibility

This motor is used in many Samsung outdoor AC/heat‑pump units, including AE‑series, AC‑series, and ducted systems. Retailers provide long compatibility lists; if you want, I can check your exact model.