Brackets, Flanges & Hangers for 2021 GMC Sierra 2500 HD
1. Fender 
2. Outer Rail 
3. Bumper 
4. Inner Lock Pillar 
5. Uniside Assembly 
6. Rear Bumper 
7. Headliner 
8. Console Assembly 
9. Inner Windshield Pillar 
10. Roof Panel 
11. Inner Center Pillar 
12. Front Panel 
13. Sunroof Glass 
14. Side Panel 
15. Park Sensor 
16. Steering Wheel 
17. Lock Pillar Trim 
18. Cowl Grille 
19. Frame Assembly 
20. Windshield Pillar Trim 
21. Roof Panel 
22. Carrier 
23. Front 
24. Front Floor Pan 
25. Upper Trim Panel 
26. Seat Cushion Pad 
27. Filler Panel 28. Seat Heater Control Module Bracket No.
Part # / Description / Price
Price
2
Driver Side Air Inlet Grille Panel Extension 
GM
GM Positions: Left
Description: Helps define the appearance of your vehicle's air inlet grille
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 $39.08
$26.84
MSRP $39.08
$26.84
2
Passenger Side Air Inlet Grille Panel Extension GM
GM Positions: Right
Description: Helps define the appearance of your vehicle's air inlet grille
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 $39.67
$27.25
MSRP $39.67
$27.25
3
Driver Side Hood Rear Outer Air Inlet Seal GM
GM Positions: Left
Description: Helps ensure a tight seal for your vehicle's hood
For proper installation, locate your nearest GM dealer, independent service center, or body shop
Precise fit for ease of installation
MSRP $31.09
$22.48
MSRP $31.09
$22.48
3
Passenger Side Hood Rear Outer Air Inlet Seal GM
GM Positions: Right
Description: Helps ensure a tight seal for your vehicle's hood
For proper installation, locate your nearest GM dealer, independent service center, or body shop
Precise fit for ease of installation
MSRP $31.09
$22.48
MSRP $31.09
$22.48
4
MSRP $19.79
$13.55
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
$27.39
MSRP $39.89
$27.39
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 $546.69
$358.97
MSRP $546.69
$358.97
7
MSRP $10.19
$7.37
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
$33.30
MSRP $48.49
$33.30
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
$136.49
MSRP $206.92
$136.49
11
Dash Panel Bracket GM
GM Positions: Right
Description: Crew cab. Double cab. Regular cab.
MSRP $8.20
$5.93
MSRP $8.20
$5.93
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
$5.93
MSRP $8.20
$5.93
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
$14.77
MSRP $20.43
$14.77
14
Upper Extension GM
GM Positions: Right
Description: Crew cab. Double cab. Regular cab.
MSRP $20.43
$14.77
MSRP $20.43
$14.77
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
$14.77
MSRP $20.43
$14.77
15
Lower Extension GM
GM Positions: Right
Description: Crew cab. Double cab. Regular cab.
MSRP $20.43
$14.77
MSRP $20.43
$14.77
16
MSRP $68.81
$47.25
17
MSRP $94.06
$62.89
17
Sill Panel GM
GM Positions: Left
Description: Crew cab. Regular cab. Double cab. type 2.
MSRP $94.06
$62.89
MSRP $94.06
$62.89
18
MSRP $21.46
$15.52
18
MSRP $20.93
$15.13
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
$10.33
MSRP $14.29
$10.33
20
Insulator GM
GM Description: Crew cab, outer, 6.6L gas. Regular cab, outer, 6.6L gas. Double cab, outer, 6.6L gas.
$67.01
$67.01
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
$5.87
MSRP $8.12
$5.87
21
Driver Side Body Hinge Pillar Sound Barrier GM
GM Positions: Left
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
$9.42
MSRP $13.03
$9.42
22
Dash Panel Inner Insulator GM
GM Description: Crew cab, 4.3, 5.3, 6.2L. Crew cab, inner, 6.6L gas. Double cab, inner, 6.6L gas. Regular cab.
$96.67
$96.67