ok thanks..its for an 02 civic if that changes anything.
Edit:Ok there considered A/C Valve core on there website..They have a few to choose from..
Does it matter for high and low side?
http://www.oreillyauto.com/site/c/de...s!c+valve+core
and the 2 page search;
http://www.oreillyauto.com/site/c/se...s!c+valve+core
Murray - A/C Valve Core $2.29
Part Number: 59347
* For Import R134a Service Ports
* Has Neporene Seal For R134a Usage
* UPC: 96361593473