ed burke Posted August 12, 2014 Share Posted August 12, 2014 Hi, I have what I think is a pre 1958 A/C compressor. It is flanged on the back so I think it can be rebuilt. What I would really like to know is , do you call this compressor an A5 like you do for a 1958 thru 1961 sealed compressor or does it have a different designation. Any body wants it can have it for $30.00 plus shipping. Don't know if it pumps but the clutch works.Ed:confused::confused::confused: Link to comment Share on other sites More sharing options...
PONTIAC1953 Posted August 13, 2014 Share Posted August 13, 2014 pictures please Link to comment Share on other sites More sharing options...
ed burke Posted August 16, 2014 Author Share Posted August 16, 2014 Hi, I should know it's not for an Olds. Olds have a 2 groove pulley. This still is a GM compressor What year and what car???? Link to comment Share on other sites More sharing options...
PONTIAC1953 Posted August 17, 2014 Share Posted August 17, 2014 compressor is known as a A5 compressor, 1955 to 1961 pontiacs used an A5 with a single belt pulley, can you post the numbers and i can compare it with a 1955 A5 pontiac compressor that i have ?.charles coker1953 pontiac tech advisortech advisor coordinator Link to comment Share on other sites More sharing options...
ed burke Posted August 17, 2014 Author Share Posted August 17, 2014 Hi, I always thought the hermeticly sealed compressor was the A5 as in this pic. The #'s on the other compressor in question 29 DC 374 Model # 5911120. The one in this pic cannot be repaired. Just the seal and the clutch. Oldsmobile used the later A5 (I am now guessing it is a later A5)from 1958 thru 1961.That is all I really know about the A5 in my car. Can the compressor in question be used in my car and still be considered correct ???Ed Link to comment Share on other sites More sharing options...
Frank Ignachuck Posted September 7, 2014 Share Posted September 7, 2014 I don't know if this helps or not, but here are a couple of shots of the compressor on my 56 Olds. The model is 6550043.Frank Link to comment Share on other sites More sharing options...
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