Can anyone tell me what the correct part number is for the POA (A/C system) on a base motor 1972 coupe. Also, if you know what parts numbers may have superceeded it, that would be helpful too.
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Re: 1972 POA part number
Ed------
The original PRODUCTION valve was GM #5910602. The original SERVICE valve was GM #5910667. I believe that these valves are the same, but the SERVICE valve is supplied with a few other parts and instructions.
In January, 1973 the GM #5910667 valve was replaced by GM #5910593. In turn, that valve was replaced several years ago by GM #6551430. The latter valve was discontinued without supercession a few years ago.In Appreciation of John Hinckley
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