*** No discussion or comments, goal is one thread with A/C oring sizes compiled for easy access.
I'll edit this thread with any updates as long as I'm allowed.
The compressor orings are notorious for degrading faster than the others, they are usually hard/brittle and the rest in the system are still fine. I've never seen the other orings be that way so they're not that important but list them if you do them.
Year, Model, Engine, A/C compressor brand:
1999 Impreza 2.2, ZEXEL:
Compressor: 17.8mm x 2.5mm
Compressor: 10.8mm x 2.4mm
Drivers side condensor: 10.8mm x 2.4mm
2003 3.0 H6 OBW (stock OEM compressor)
Top-rear Compressor: 17.8mm x 2.5mm
Left ('high') side Compressor: 10.8mm x 2.4mm
Edited by grossgary, 19 June 2013 - 07:47 AM.