billbuickgs Posted January 30, 2014 Share Posted January 30, 2014 (edited) Radiator overflow plastic tank Part # 22527420 , NOS GM , fits 88 to 90, May also fit same year Riviera. $125 includes ship US Edited January 31, 2014 by billbuickgs (see edit history) Link to comment Share on other sites More sharing options...
Barney Eaton Posted January 31, 2014 Share Posted January 31, 2014 1991 used a different part because of the A/C accumulator/dryer was relocated. 91 (and Riv thru '93) used 3536641 Link to comment Share on other sites More sharing options...
billbuickgs Posted January 31, 2014 Author Share Posted January 31, 2014 1991 used a different part because of the A/C accumulator/dryer was relocated. 91 (and Riv thru '93) used 3536641correction made .ThanksBill Link to comment Share on other sites More sharing options...
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