The $15 "R-134a o-ring assortment kits" I mentioned in post 3 are the green O-rings for R-134a and PAG oil. I still haven't had great luck with them fitting what I need... if the ID is right, it's not thick enough. If it's thick enough, I have to stretch it. They work for about 75% of the average job, but if I have to go to the store to match up the one o-ring the kit didn't have, I might as well go buy all new ones.
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Mike
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