Blueglass Code No.s
 

My 72 GMC has the unusual option of having Blueglass in the cab and is listed on the back of the glove box door as Code. 1A1120. I am wondering if anyone has a option book on GMC's and could tell me how many were built with this option. I need to know for Insurance purposes. Thank You in advance for any information. :gmc: :canada:

hello,

for some reason, there really aren't even production numbers for all GMCs, let alone figures for trucks with certain options. i do not even know if you could find this information for chevrolet trucks of the same era. good luck

oh and ps, A11 is also the option code for regular tinted glass.