Brackets, Flanges & Hangers for 2023 GMC Sierra 1500
1. Outer Rail 
2. Frame Assembly 
3. Step Bar Assembly 
4. Fender 
5. Bumper Cover 
6. Windshield Pillar Trim 
7. Uniside Assembly 
8. Inner Lock Pillar 
9. Console Assembly 
10. Side Panel 
11. Bracket 
12. Roof Panel 
13. Headliner 
14. Park Sensor 
15. Rear Bumper 
16. Headrest 
17. Inner Windshield Pillar 
18. Inner Lock Pillar 
19. Roof Panel 
20. Carrier 
21. Uniside Assembly 
22. Headliner 
23. Front Panel 
24. Lower Cover 
25. Steering Wheel 
26. Front Floor Pan 
27. Cowl Cover 
28. Upper Trim Panel 
29. Cowl Grille 
30. Headrest 
31. Steering Wheel 
32. Tail Gate 
33. Headrest 34. Seat Trim Panel Bracket No.
Part # / Description / Price
Price
2
$25.75
2
$24.31
3
Driver Side Hood Rear Outer Air Inlet Seal 
GM
GM Positions: Left
Description: Double cab. Crew cab. Regular cab. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $29.05
$20.13
MSRP $29.05
$20.13
3
Passenger Side Hood Rear Outer Air Inlet Seal GM
GM Positions: Right
Description: Double cab. Crew cab. Regular cab. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $29.05
$20.13
MSRP $29.05
$20.13
4
MSRP $19.79
$12.98
5
Air Inlet Deflector Water Deflector GM
GM Description: Crew cab. Double cab. Regular cab. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $39.89
$27.63
MSRP $39.89
$27.63
6
Plenum Front Panel Outer Reinforcement GM
GM Description: Crew cab. Double cab. Regular cab. Helps secure and support your vehicle's cowl panel
For proper installation, locate your nearest GM dealer, independent service center, or body shop
Precise fit for ease of installation
MSRP $245.71
$165.78
MSRP $245.71
$165.78
7
MSRP $10.19
$7.06
8
Plenum Upper Panel GM
GM Description: Crew cab. Double cab. Regular cab. Helps define the structure of your vehicle's cowl plenum
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
Collision parts are designed to help promote proper and safe repair
MSRP $48.49
$33.59
MSRP $48.49
$33.59
9
Plenum Lower Panel GM
GM Description: Crew cab. Double cab. Regular cab. Helps define the structure of your vehicle's cowl plenum
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
Collision parts are designed to help promote proper and safe repair
MSRP $206.92
$139.61
MSRP $206.92
$139.61
11
Dash Panel Bracket GM
GM Positions: Right
Description: Crew cab. Double cab. Regular cab.
MSRP $8.20
$5.68
MSRP $8.20
$5.68
12
Driver Side Dash Panel Bracket GM
GM Positions: Left
Description: Crew cab. Double cab. Regular cab. Helps align and secure your vehicle's dash panel
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.20
$5.68
MSRP $8.20
$5.68
14
Driver Side Dash Panel Side Extension GM
GM Positions: Left
Description: Crew cab. Double cab. Regular cab. Completes the appearance of your vehicle's cowl panel
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
Collision parts are designed to help promote proper and safe repair
MSRP $20.43
$14.16
MSRP $20.43
$14.16
14
Upper Extension GM
GM Positions: Right
Description: Crew cab. Double cab. Regular cab.
MSRP $20.43
$14.16
MSRP $20.43
$14.16
15
Driver Side Dash Panel Side Extension GM
GM Positions: Left
Description: Crew cab. Double cab. Regular cab. Completes the appearance of your vehicle's cowl panel
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
Collision parts are designed to help promote proper and safe repair
MSRP $20.43
$14.16
MSRP $20.43
$14.16
15
Lower Extension GM
GM Positions: Right
Description: Crew cab. Double cab. Regular cab.
MSRP $20.43
$14.16
MSRP $20.43
$14.16
16
MSRP $68.81
$47.67
17
Sill Panel GM
GM Positions: Left
Description: Crew cab. Regular cab. Double cab. type 2.
MSRP $94.06
$63.46
MSRP $94.06
$63.46
17
MSRP $94.06
$63.46
18
MSRP $21.46
$14.87
18
MSRP $20.93
$14.50
19
Underbody Inner Front Side Rail GM
GM Positions: Left
Description: Crew cab. Double cab. Regular cab. Helps strengthen and support your vehicle's underbody
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
Collision parts are designed to help promote proper and safe repair
MSRP $14.29
$9.90
MSRP $14.29
$9.90
20
Insulator GM
GM Description: Double cab, outer, 2.7 t, 3.0 diesel. Crew cab, outer, 2.7 t, 3.0 diesel. Double cab, outer, 2.7L turbo. Crew cab, outer, 2.7, 3.0L.
$65.06
$65.06
20
Driver Side Body Hinge Pillar Sound Barrier GM
GM Positions: Left inner
Description: Crew cab. Regular cab, inner. Double cab. inner. Helps dampen road noise
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
Collision parts are designed to help promote proper and safe repair
MSRP $13.03
$9.03
MSRP $13.03
$9.03
20
Dash Panel Inner Insulator Insulator GM
GM Positions: Center inner
Description: Helps dampen noise
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
Collision parts are designed to help promote proper and safe repair
MSRP $28.90
$20.02
MSRP $28.90
$20.02
20
Insulator GM
GM Positions: Center inner
Description: Crew cab, 2.7, 3.0L. Crew cab, inner, 6.6L diesel. Regular cab, 6.6L diesel. Regular cab, inner, 6.6L gas. Double cab, 6.6L diesel.
$100.78
$100.78
21
Passenger Side Body Hinge Pillar Sound Barrier GM
GM Positions: Right
Description: Crew cab. Regular cab, inner. Double cab. inner. Helps dampen road noise
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
Collision parts are designed to help promote proper and safe repair
MSRP $8.12
$5.62
MSRP $8.12
$5.62