WTB: A/C Line

Hey guys,

I have recently found out that my air conditioning is not working due to a leak in a line. I’m not sure how to explain which line it is that I need, so I’ve circled it out of a diagram.
If anyone is parting an s13 with this line let me know.

http://i25.photobucket.com/albums/c71/izzy_domain/ac.jpg

Thanks alot.
Jake