Fits Left; Extended Cab Pickup; 4 door; 96.0" Bed; Fleetside; For Vehicles Built 08/22/04 and Prior; 1st Designor Left; Standard Cab Pickup; 96.0" Bed; Fleetside; For Vehicles Built 08/22/04 and Prior; 1st Designor Left; Extended Cab Pickup; 4 door; 78.0" bed; Fleetside or Stepside; FOR VEHICLES BUILT 08/22/04 AND PRIOR.; 1st Designor Left; Standard Cab Pickup; 78.0" bed; Fleetside or Stepside; FOR VEHICLES BUILT 08/22/04 AND PRIOR.; 1st Design
4.8L V8
2005
Fits Left; Extended Cab Pickup; 4 door; 96.0" Bed; Fleetside; For Vehicles Built 08/22/04 and Prior; 1st Designor Left; Standard Cab Pickup; 96.0" Bed; Fleetside; For Vehicles Built 08/22/04 and Prior; 1st Designor Left; Extended Cab Pickup; 4 door; 78.0" bed; Fleetside or Stepside; FOR VEHICLES BUILT 08/22/04 AND PRIOR.; 1st Designor Left; Standard Cab Pickup; 78.0" bed; Fleetside or Stepside; FOR VEHICLES BUILT 08/22/04 AND PRIOR.; 1st Design
5.3L V8
2005
Fits Left; Extended Cab Pickup; 4 door; 96.0" Bed; Fleetside; For Vehicles Built 08/22/04 and Prior; 1st Designor Left; Standard Cab Pickup; 96.0" Bed; Fleetside; For Vehicles Built 08/22/04 and Prior; 1st Designor Left; Extended Cab Pickup; 4 door; 78.0" bed; Fleetside or Stepside; FOR VEHICLES BUILT 08/22/04 AND PRIOR.; 1st Designor Left; Standard Cab Pickup; 78.0" bed; Fleetside or Stepside; FOR VEHICLES BUILT 08/22/04 AND PRIOR.; 1st Design
5.3L V8 ELECTRIC/GAS
2005
Left; 78.0" bed; Fleetside; FOR VEHICLES BUILT 08/22/04 AND PRIOR.; 1st Design
6.0L V8
2005
Fits Left; Extended Cab Pickup; 4 door; Silverado 1500 Base Model; 78.0" bed; Fleetside or Stepside; FOR VEHICLES BUILT 08/22/04 AND PRIOR.; 1st Designor Left; Extended Cab Pickup; 4 door; Silverado 1500 Base Model; 96.0" bed; Fleetside; FOR VEHICLES BUILT 08/22/04 AND PRIOR.; 1st Designor Left; Standard Cab Pickup; Silverado 1500 Base Model; 78.0" bed; Fleetside or Stepside; FOR VEHICLES BUILT 08/22/04 AND PRIOR.; 1st Designor Left; Standard Cab Pickup; Silverado 1500 Base Model; 96.0" bed; Fleetside; FOR VEHICLES BUILT 08/22/04 AND PRIOR.; 1st Design
GMC
SIERRA 1500
4.3L V6
2005
Fits Left; Standard Cab Pickup; 96.0" Bed; Fleetside; For Vehicles Built 08/22/04 and Prior; 1st Designor Left; Standard Cab Pickup; 78.0" bed; Fleetside or Stepside; FOR VEHICLES BUILT 08/22/04 AND PRIOR.; 1st Designor Left; Extended Cab Pickup; 78.0" bed; Fleetside or Stepside; FOR VEHICLES BUILT 08/22/04 AND PRIOR.; 1st Designor Left; Extended Cab Pickup; 96.0" bed; Fleetside; FOR VEHICLES BUILT 08/22/04 AND PRIOR.; 1st Design
4.8L V8
2005
Fits Left; Extended Cab Pickup; 4 door; 96.0" Bed; Fleetside; For Vehicles Built 08/22/04 and Prior; 1st Designor Left; Standard Cab Pickup; 96.0" Bed; Fleetside; For Vehicles Built 08/22/04 and Prior; 1st Designor Left; Extended Cab Pickup; 4 door; 78.0" bed; Fleetside or Stepside; FOR VEHICLES BUILT 08/22/04 AND PRIOR.; 1st Designor Left; Standard Cab Pickup; 78.0" bed; Fleetside or Stepside; FOR VEHICLES BUILT 08/22/04 AND PRIOR.; 1st Design
5.3L V8
2005
Fits Left; Extended Cab Pickup; 4 door; 96.0" Bed; Fleetside; For Vehicles Built 08/22/04 and Prior; 1st Designor Left; Standard Cab Pickup; 96.0" Bed; Fleetside; For Vehicles Built 08/22/04 and Prior; 1st Designor Left; Extended Cab Pickup; 4 door; 78.0" bed; Fleetside or Stepside; FOR VEHICLES BUILT 08/22/04 AND PRIOR.; 1st Designor Left; Standard Cab Pickup; 78.0" bed; Fleetside or Stepside; FOR VEHICLES BUILT 08/22/04 AND PRIOR.; 1st Design
5.3L V8 ELECTRIC/GAS
2005
Left; For Vehicles Built 08/22/04 and Prior; 1st Design
6.0L V8
2005
Fits Left; Extended Cab Pickup; 4 door; Sierra 1500 Base Model; 96.0" Bed; Fleetside; For Vehicles Built 08/22/04 and Prior; 1st Designor Left; Standard Cab Pickup; Sierra 1500 Base Model; 96.0" Bed; Fleetside; For Vehicles Built 08/22/04 and Prior; 1st Designor Left; Extended Cab Pickup; 4 door; Sierra 1500 Base Model; 78.0" bed; Fleetside or Stepside; FOR VEHICLES BUILT 08/22/04 AND PRIOR.; 1st Designor Left; Standard Cab Pickup; Sierra 1500 Base Model; 78.0" bed; Fleetside or Stepside; FOR VEHICLES BUILT 08/22/04 AND PRIOR.; 1st Design