O rings have three dimensions. Id, od, wall. They also have specs for hardness, material type, shape.
Danco #019 may be one. 13/16" x 15/16" x 1/16"
or
https://www.homedepot.com/p/Crown-Bo...4368/203574459
https://www.grainger.com/category/o-.../N-mg7Z1yza7xo
The 4th one i mentioned is between the turbo center section and the 2 bolt aluminum adapter.
The one still bolted up on yours. If no external leak there, is ok.
Boy, had fun getting some for my under sink water filter counter spout. They did fix the leak.
Match with old. Had to be exact. Did use a little silicone grease on them.
O ring package numbers are confusing. Part number increments do not match size increments.
Being inexpensive, bought several different to save store trips (gas used cost more than item).
Took hours online on Menard's, HD sites to pick sizes close to one another.
Different manufacturers have different numbers for the same thing. AS568-xxx or something.
One store has one brand, other store different. Hard to find any simple cross reference charts.
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