Can you buy a new cable for a MAC Air

Probably.

What model / year of MacBook Air is it?

click here ➡️ Identify your Mac power adapter - Apple Support

pattyfromnorth hills Said:

"Can you buy a new cable for a MAC Air: Can you buy a new cable for an older MAC Air for charging?"

-------

Getting a New Charge for an Older MAcr:

If obsolete, Apple likely wouldn't sell it on their Web site. So, get one that is of Apple brand. For starters, I recommend look on Amazon for a charger. Using eBay or Craigslist seem to bring upon ungenuine device scams.