VIN Pref
Sierra 3500
1GTHK33JTF00   1GTHK33FTF00   1GTHK39JTE50  
Yukon
1GKEK13RTJ00   1GKEK13RTJ70   1GKEK13RTJ71   1GKEK13RTJ72   1GKEK13RTJ73   1GKEK13RTJ74   1GKEK13RTJ75   1GKEK13RTJ76   1GKEK13RTJ77   1GKEK13RTJ78   1GKEK13RTJ79   1GKEK13RTJ710   1GKEK13RTG70  
Cutaway Van
1GDGG31KTF80   1GDHG31KTF80  
Savana
1GDFG15MT100  
Suburban
1GDEC16RTJ70   1GDEC16RTJ71   1GDEC16RTJ72   1GDEC16RTJ73   1GDEC16RTJ74   1GDEC16RTJ75   1GDEC16RTJ76   1GKEC16RTJ70   1GKEC16RTJ71   1GKEC16RTJ72   1GKEC16RTJ73   3GKEC16RTG50   3GKEC16RTG51   3GKEC16RTG52   3GKEC16RTG53   3GKEC16RTG54   1GKGK26FTJ70   3GKFK16RTG50   3GKFK16RTG51   3GKFK16RTG52   3GKFK16RTG53   3GKGK26RTG50   1GKGK26RTJ70   1GKGK16FTJ70   1GKFC16FTJ70   1GDFK16RTJ70  
Sierra
1GTGC34RTE50   1GDEC14RTZ50   1GDEC14RTZ51   1GDEC14RTZ52   1GDEC14RTZ53   1GDEC14RTZ54   1GDEC14RTZ55   1GDEC14RTZ56   1GTGC24RTZ50   1GTEC19RT150   1GDJK34FTE50  
Safari
1GDDM19WTB50   1GDDM19WTB51   1GKEL19WTB50   1GKEL19WTB51   1GKEL19WTB52   1GKEL19WTB53  
5000
J8DF5A12T370  
Jimmy
1GKDT13WTK50   1GKDT13WT260   1GKCS13WT250   1GKCS13WT251   1GKCS13WT252   1GKCS13WT253  
Topkick
1GDJ6H1JTJ50   1GDL7H1PTJ50   1GDJ7H1JTJ50  
Sierra 1500
1GTEK14WTZ50   1GTEK19MTE50   2GTEC19MT150   2GTEC19MT151   2GTEC19MT152   2GTEC19MT153   2GTEC19MT154   2GTEC19MT155   2GTEC19MT156   2GTEC19MT157   2GTEK19ST150   1GTEC14RTZ50   1GTEC14RTZ51   1GTEC14RTZ52   1GTEC14RTZ53   1GTEC14RTZ54   1GTEC19MTE50   1GTEC19MTE51   1GTEC19MTE52   1GTEC19MTE53   1GTEC19MTE54   1GTEC19MTE55   1GTEK19STE50   2GTEK19WT150   1GTEK14MTE50   1GTEC14MTE50   1GTEC19RTE50   1GTEC19RTE51   1GTEC19RTE52   1GTEC19RTE53   1GTEC19RTE54   1GTEC19RTE55   1GTEC19RTE56   2GTEK19MT150   1GTEC14WTZ50   1GTEC14WTZ51   1GTEC14WTZ52   1GTEC14WTZ53   2GTEK19RT150   2GTEK19RT151   2GTEK19RT152   2GTEK19RT153   2GTEK19RT154   2GTEK19RT155   2GTEK19RT156   2GTEK19RT157   2GTEK19RT158   2GTEK19RT159  
Forward Control Chassis
1GDHP32RT350  
Savana Cargo
1GTFG25MT100  
Sierra 2500
1GTGK29RTE50   1GTGK24RTZ50   1GTGK24RTZ51   1GTGK24RTZ52   1GTGK24RTZ53   1GTGK24RTZ54   1GTGK24RTZ55   1GTGK24RTZ56   1GTGK24RTZ57   1GTGK24RTZ58   1GTGC29FTE50  
Sonoma
1GTCS144T850   1GTCS144T851   1GTCS144T852   1GTCS144T853   1GTCS14XT850   1GTCT19WT850   1GTDT19XT850   1GTDT19XT851   1GTDT19XT852   1GTDT19XT853   1GTCS194T850   1GTCS194T851   1GTCS194T852   1GTCS194T853   1GTCS19XTK50   1GTCS19XT850   1GTCS19XT851   1GTCS19XT852   1GTCS19XT853   1GTCS19XT854   1GTCS19XT855   1GTCS194TK50   1GTCS144TK50   1GTCT19WTK50   1GTCS19WT850   1GTCS19WT851   1GTCS19WT852   1GTCS19WT853   1GTCS19WT854