2003 GMC Sierra 1500
WT
8 Cyl 5.3L
LM7 Engine, VIN T, OHV Engine, With Vortec Engine, 16 Valve
2003 GMC Sierra 1500
Denali
8 Cyl 6.0L
VIN U, OHV Engine, With Vortec Engine, 16 Valve, With 1st Design
2003 GMC Sierra 1500
WT
8 Cyl 4.8L
VIN V, OHV Engine, With Vortec Engine, 16 Valve, LR4, With 1st Design
2003 GMC Sierra 1500
SL
8 Cyl 4.8L
VIN V, OHV Engine, With Vortec Engine, 16 Valve, LR4, With 1st Design
2003 GMC Sierra 1500
SLE
8 Cyl 4.8L
VIN V, OHV Engine, With Vortec Engine, 16 Valve, LR4, With 1st Design
2003 GMC Sierra 1500
Base
8 Cyl 5.3L
L59 Engine, VIN Z, OHV Engine, FLEX, With Vortec Engine, 16 Valve
2003 GMC Sierra 1500
SL
8 Cyl 5.3L
L59 Engine, VIN Z, OHV Engine, FLEX, With Vortec Engine, 16 Valve
2003 GMC Sierra 1500
SLT
8 Cyl 4.8L
VIN V, OHV Engine, With Vortec Engine, 16 Valve, LR4, With 1st Design
2003 GMC Sierra 1500
SLT
8 Cyl 5.3L
LM7 Engine, VIN T, OHV Engine, With Vortec Engine, 16 Valve
2003 GMC Sierra 1500
Base
8 Cyl 4.8L
VIN V, OHV Engine, With Vortec Engine, 16 Valve, LR4, With 1st Design
2003 GMC Sierra 1500
SLE
8 Cyl 5.3L
LM7 Engine, VIN T, OHV Engine, With Vortec Engine, 16 Valve