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I'm having trouble posting this due to not knowing part names. When replacing a defective water pump a tiny seal or O-ring in the air pump management system fell off as disconnecting the vacuum line. Fell down and cannot find it. Cleaned chassis and no sign of it or on floor. Went to Chevy to get another but they could not find it within their emission systems components parts. Anyone know
where I might get one? Picture below is best I can provide. Seal goes in the hole on this part and onto a hollow peg on the other
85 Air pump seal
