2013 Tahoe…would part number 20929304 work ?

For your 2013 Chevy Tahoe you can see a wide range of headphones and DVD remotes that will work for you here:

http://www.audiovideo2go.com/tahoe-headphones/

The part number you referenced, 20929304 , is this part:

http://www.audiovideo2go.com/2007-2011-chevy-tahoe-folding-headphones-and-remote-combo/

But, if you want to save some money, they have an equally good headphone and remote combo here:

http://www.audiovideo2go.com/chevy-tahoe-headphones-and-dvd-remote-2007-2011/

I hope that guides you in the right direction! 🙂