Frame for 2026 GMC Sierra 2500 HD
1. Work Step Assist Steps - Black - Crew Cab 
2. Inner Windshield Pillar 
3. Frame Assembly 
4. Inner Center Pillar 
5. Outer Rail 
6. Mount Cushion 
7. Mount Cushion 
8. Cowl Grille 
9. Uniside Assembly 
10. Front 
11. Body B-Pillar 
12. Inner Center Pillar 
13. Body B-Pillar 
14. Body A-Pillar Trim Panel 
15. Inner Lock Pillar 
16. Front 
17. 6-Inch Rectangular Assist Steps, Chrome 
18. Inner Rocker Assembly 
19. Floor Sill 
20. Floor Extension 
21. Running Board 
22. Rear 
23. Running Board 
24. Running Board 
25. Left 
26. Running Board 
27. Running Board 
28. Running Board 
29. Running Board 
30. Inner Center Pillar 
31. 4-Inch Round Assist Steps - Chrome - Crew Cab 
32. Fender 
33. Right 
34. Right 
35. Floor Extension 
36. Extension Panel 
37. Floor Extension 
38. Floor Extension 
39. Floor Extension 
40. Sill Panel 41. Body C-Pillar Trim Panel 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
$30.60
MSRP $39.08
$30.60
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
$31.07
MSRP $39.67
$31.07
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
$24.35
MSRP $31.09
$24.35
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
$24.35
MSRP $31.09
$24.35
4
MSRP $19.79
$14.68
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
$31.24
MSRP $39.89
$31.24
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
$352.38
MSRP $546.69
$352.38
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
$37.97
MSRP $48.49
$37.97
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
$143.35
MSRP $206.92
$143.35
11
Dash Panel Bracket GM
GM Positions: Right
Description: Crew cab. Double cab. Regular cab.
MSRP $8.20
$6.42
MSRP $8.20
$6.42
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
$6.42
MSRP $8.20
$6.42
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
$16.00
MSRP $20.43
$16.00
14
Upper Extension GM
GM Positions: Right
Description: Crew cab. Double cab. Regular cab.
MSRP $20.43
$16.00
MSRP $20.43
$16.00
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
$16.00
MSRP $20.43
$16.00
15
Lower Extension GM
GM Positions: Right
Description: Crew cab. Double cab. Regular cab.
MSRP $20.43
$16.00
MSRP $20.43
$16.00
16
MSRP $68.81
$49.74
17
MSRP $94.06
$67.99
17
Sill Panel GM
GM Positions: Left
Description: Crew cab. Regular cab. Double cab. type 2.
MSRP $94.06
$67.99
MSRP $94.06
$67.99
18
MSRP $21.46
$16.81
18
MSRP $20.93
$16.39
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
$11.19
MSRP $14.29
$11.19
20
Insulator GM
GM Description: Crew cab, outer, 6.6L diesel. Regular cab, outer, 6.6L diesel. Double cab, outer, 6.6L diesel.
$86.28
$86.28
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
$10.21
MSRP $13.03
$10.21
21
$7.85
