Left; 69.2" bed or 78.0" bed or 96.0" bed; Fleetside
4.8L V8
2005
Fits Left; 68.4" bed or 96.0" bed; Fleetsideor Left; 78.0" bed; Fleetside or Stepside
2006
Left; 69.2" bed or 78.0" bed or 96.0" bed; Fleetside
5.3L V8
2005
Fits Left; 68.4" bed or 96.0" bed; Fleetsideor Left; 78.0" bed; Fleetside or Stepside
2006
Left; 69.2" bed or 78.0" bed or 96.0" bed; Fleetside
5.3L V8 ELECTRIC/GAS
2005
Left
2006
Left
6.0L V8
2005
Fits Left; Sierra 1500 Base Model; 68.4" bed or 96.0" bed; Fleetsideor Left; Sierra 1500 Base Model; 78.0" bed; Fleetside or Stepsideor Left; Sierra 1500 HD; 78.0" bed; Fleetside
2006
Fits Left; 78.0" bed; Fleetsideor Left; Sierra 1500 Base Model; 69.2" bed or 96.0" bed; Fleetside
SIERRA 1500 CLASSIC
4.3L V6
2007
Left; 69.2" bed or 78.0" bed or 78.7" bed or 96.0" bed; Fleetside
4.8L V8
2007
Left; 69.2" bed or 78.0" bed or 78.7" bed or 96.0" bed; Fleetside
5.3L V8
2007
Left; 69.2" bed or 78.0" bed or 78.7" bed or 96.0" bed; Fleetside
5.3L V8 ELECTRIC/GAS
2007
Left
6.0L V8
2007
Fits Left; 78.7" bed; Fleetsideor Left; 68.4" bed or 69.2" bed or 78.0" bed or 96.0" bed; Fleetsideor Left; Sierra 1500 HD Classic; 78.0" bed; Fleetside