VIN Prefixes Available
Sierra 1500
1GTDK14HLZ50   2GTDK14HL150   2GTEC14KL150   1GTDK14KLE50   1GTDK14KLE51   1GTDK14KLE52   1GTDC14KLZ50   1GTDC14KLZ51   1GTDC14KLZ52   1GTDC14KLZ53   1GTDC14KLZ54   1GTDC14KLZ55   1GTDC14KLZ56   1GTDC14KLZ57   1GTDC14KLZ58   1GTDC14KLZ59   1GTDC14KLZ510   2GTEK19KL150   2GTEK19KL151   2GTEK19KL152   2GTEK19KL153   2GTEK19KL154   2GTEK19KL155  
Rally Wagon
1GDEG25KL750   1GDEG25KL751   1GDEG25KL752  
Sierra
1GDHC34NLE50   1GDJC34KLE50  
4000
J8DB4B1HL700  
Safari Cargo
1GTCM15ZLB50  
R V 3500 Series
1GTHV33NLF70  
Sierra 2500
1GTFC24KLZ50