Here are some other possible translations depending on the context:
* "Sining na bagay" - If referring to an artistic artifact
* "Pang-alaala" - If referring to an artifact as a reminder of the past
* "Kasangkapan" - If referring to a tool or object used in the past
* "Labi" - If referring to a physical remains of a past civilization
The best translation will depend on the specific context in which the word "artifact" is being used.