... look bigger or smaller when new -- compared to the old one you are replacing? Like radiator hoses, the new ones are usually smaller looking due to it not being stretched yet . But does the same principle apply to A/C green O-rings? I was changing my exp valve and the new ring seems to be smaller in thickness but the same diameter or should I say prettty darn close to the old one.Not to mention a little darker in color as well.

I just want to put the wrong one, esp. if I accidentally put the wrong one in the evaporator area..Too big of a job make such a small mistake.

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a2


1978 280 CE silver
1986 560 SL black
1987 300 SDL cream
1994 SL 500 brilliant green
1997 E 300d dessert silver
2005 FORD F250 Superduty Crew cab 4x4

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