VIN Prefixes Available
C Series
1GDM7H1CWJ50   1GDJ7H1PWJ50   1GDJ7H1JWJ50   1GDL7H1PWJ50  
Sierra 3500
1GTHK33RWF00   1GTHK33RWF01   1GTHK33RWF02   1GTHK33RWF03   1GTHK33RWF04   1GTHK33RWF05  
Sierra 1500
1GTEC14WWZ50   1GTEC14WWZ51   1GTEC14WWZ52   1GTEC14WWZ53   1GTEC14WWZ54   1GTEC14WWZ55   1GTEC14WWZ56   1GTEC14WWZ57   1GTEK14RWZ50   1GTEK14RWZ51   1GTEK14RWZ52   1GTEK14RWZ53   1GTEK14RWZ54   1GTEK14RWZ55   1GTEK14RWZ56   1GTEK14RWZ57   1GTEK14RWZ58   1GTEK19MWE50   1GTEK19MWE51   1GTEK19MWE52   1GTEK19MWE53   1GTEK19MWE54   1GTEK19MWE55   1GTEK19MWE56   1GTEK19MWE57   1GTEK19MWE58   1GTEK19MWE59   1GTEK19MWE510   1GTEK19MWE511   2GTEK19MW150   2GTEK19MW151   2GTEK19MW152   2GTEK19MW153   2GTEK19MW154   2GTEK19MW155   2GTEC19RW150   2GTEC19RW151   2GTEC19RW152   2GTEC19RW153   2GTEC19RW154   2GTEC19RW155   2GTEC19RW156   2GTEC19RW157   2GTEC19RW158   2GTEC19RW159   2GTEC19RW1510   1GTEC19MWE50   1GTEC19MWE51   1GTEC19MWE52   1GTEC19MWE53   1GTEC19MWE54   1GTEC19MWE55   1GTEC19MWE56   1GTEC19MWE57   1GTEC19MWE58   1GTEC19MWE59   1GTEK19RWR50   1GTEK19RWR51   1GTEK19RWR52   1GTEK19RWR53   2GTEK19RW150   2GTEK19RW151   2GTEK19RW152   2GTEK19RW153   2GTEK19RW154   2GTEK19RW155   2GTEK19RW156   2GTEK19RW157   2GTEK19RW158   2GTEK19RW159   2GTEK19RW1510   2GTEK19RW1511   2GTEK19RW1512   2GTEC19MW150   2GTEC19MW151   2GTEC19MW152   2GTEC19MW153   2GTEC19MW154   2GTEC19MW155   2GTEC19MW156   2GTEC19MW157   1GTEC14MWZ50   1GTEC14MWZ51   1GTEC14MWZ52   1GTEC14MWZ53  
Suburban
1GKEC16RWJ70   1GKGK16FWJ70  
Yukon
1GKEC13RWJ70   1GKEC13RWJ71   1GKEC13RWJ72   1GKEC13RWJ73   1GKEC13RWJ74   1GKEK13RWJ70   1GKEK13RWJ71   1GKEK13RWJ72   1GKEK13RWJ73   1GKEK13RWJ74   1GKEK13RWJ75   1GKEK13RWJ76  
T Series
1GDJ6C1CWJ50  
Sonoma
1GTCS144W850   1GTCS144W851   1GTCS144W852   1GTCS144W853   1GTCS144W854   1GTCS144W855   1GTCS144W856   1GTCS144W857   1GTCS144W858  
Savana
1GDJG31RW100   1GDJG31FW100  
Jimmy
1GKCT18WWK50   1GKCS13WW250   1GKCS13WW251   1GKCS13WW252   1GKCS13WW253   1GKCS13WW254   1GKCS13WW255   1GKCS13WW256   1GKCS13WW257   1GKCS13WW258   1GKCS13WW259   1GKCS13WW2510   1GKCS13WW2511   1GKCS13WW2512   1GKCS13WW2513   1GKCS13WW2514  
Safari
1GKEL19WWB50   1GKEL19WWB51   1GKEL19WWB52   1GKEL19WWB53   1GDDM19WWB50   1GDDM19WWB51   1GDDM19WWB52   1GDDM19WWB53   1GDDM19WWB54  
Various
1GKDT13WW290   1GKDT13WW250   1GKDT13WW251   1GKDT13WW252   1GKDT13WW253   1GKDT13WW254   1GKDT13WW255   1GKDT13WW256   1GKDT13WW257   1GKDT13WW258   1GKDT13WW259   1GKDT13WW2510   1GKDT13WW2511   1GKDT13WW2512   1GKDT13WW2513  
4000
J8DC4B1KW700  
Sierra 2500
1GTGK29RWE50   1GTGK29RWE51   1GTGK29RWE52   1GTGK29RWE53   1GTGK29RWE54   1GTGK29RWE55   1GTGK29RWE56   1GTFC29MWE50   1GTGK29FWE50   1GTGK29FWE51   1GTGK29FWE52   1GTGK29FWE53   1GTGK29FWE54   1GTGK29FWE55   1GTGK29FWE56   1GTGC29JWE50  
Sierra
1GDJK34FWF00   1GDJK34FWF01   1GDJK34FWF02   1GDJK34FWF03   1GDJK34FWF04   1GDJK34FWF05   1GDJK34FWF06