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Still actively searching the internet for the answer, please forgive if I overlooked the thread with the answer. I am looking for the size of o-ring needed for the connections below:
The AC Delco gasket kit lists the following sizes. What is the best method to properly measure? Or are the o-ring sizes relative to the slot they go in a dead giveaway? Any advice on how to properly identify them is appreciated.
I replaced all of of mine and basically just match them up.
Ok great. I did not install everything the first go around which is why I am unsure about those specifically. I am going to open it up on Saturday and ideally it is a simple swap but it makes me wonder about the rest of the o-rings/seals in the system lol. The 2 marked in the OP were the points we identified with the dye so hopefully no surprises.
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AC compressor o-ring sizes 
