Frame for 2021 GMC Sierra 2500 HD
1. Work Step Assist Steps - Black - Crew Cab 
2. Frame Assembly 
3. Mount Cushion 
4. Uniside Assembly 
5. Outer Rail 
6. Inner Windshield Pillar 
7. Body A-Pillar 
8. Body B-Pillar 
9. Windshield Pillar Trim 
10. Mount Cushion 
11. Inner Lock Pillar 
12. Cowl Side Panel 
13. Inner Lock Pillar 
14. Rear 
15. Front 
16. Inner Center Pillar 
17. Body A-Pillar Bracket 
18. Uniside Assembly 
19. Inner Rocker Assembly 
20. Floor Extension 
21. Floor Sill 
22. Running Board 
23. Running Board 
24. Running Board 
25. Running Board 
26. Running Board 
27. Running Board 
28. Running Board 
29. Left 
30. Body A-Pillar Trim Panel 
31. Body A-Pillar Trim Panel 
32. Body A-Pillar Trim Panel 
33. Body A-Pillar Trim Panel 
34. Left 
35. Inner Center Pillar 
36. Step Bar Assembly 
37. Front 
38. Assist Steps, 6-Inch Rectangular, Chrome 
39. Fender 
40. Step Bar Assembly 
41. Right 
42. Right 
43. Right 
44. Right 
45. Cowl Grille 
46. Floor Extension 
47. Extension Panel 
48. Floor Extension 
49. Sill Panel 50. Body C-Pillar Trim Panel No.
Part # / Description / Price
Price
1
Vehicle Frame Assembly 
GM
GM Description: Provides the supporting structure for your vehicle
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 $4,939.36
$3,243.32
MSRP $4,939.36
$3,243.32
1
$2,757.09
1
Frame GM
GM Description: Provides the supporting structure for your vehicle
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 $4,364.36
$2,865.75
MSRP $4,364.36
$2,865.75
1
$2,836.84
1
Frame Assembly GM
GM Description: Crew cab, 4wd, 6.9 ft box, without z71, zr2, without max trailer pkg.
$3,535.23
$3,535.23
3
Front Cross-Member GM
GM Notes: PARTS: Part included with frame assembly and front section.
Description: 4wd, 2500. 3/4 ton 4wd. 2wd 3/4 ton. 2wd, 2500.
$97.70
$97.70
4
Driver Side Radiator Lower Bracket GM
GM Positions: Left
Notes: PARTS: Part included with frame assembly and front section.
Description: Helps align and secure your vehicle's radiator mount
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
Collision parts are designed to help promote proper and safe repair
MSRP $228.25
$150.56
MSRP $228.25
$150.56
4
Passenger Side Radiator Lower Bracket GM
GM Positions: Right
Notes: PARTS: Part included with frame assembly and front section.
Description: Helps align and secure your vehicle's radiator mount
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
Collision parts are designed to help promote proper and safe repair
MSRP $228.25
$150.56
MSRP $228.25
$150.56
4
Driver Side Radiator Upper Bracket GM
GM Positions: Left
Description: 6.6L gas. 6.6L diesel, engine cooling. Helps align and secure your vehicle's radiator mount
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
Collision parts are designed to help promote proper and safe repair
MSRP $20.58
$14.88
MSRP $20.58
$14.88
5
Bumper Impact Bar Bracket GM
GM Positions: Left
Notes: PARTS: Part included with frame assembly.
$74.26
$74.26
6
Drivetrain and Front Suspension Frame Front Crossmember GM
GM Notes: PARTS: Part included with frame assembly.
Description: Silverado, Sierra 3500 HD. Outer. Helps strengthen and support your vehicle's frame
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $242.51
$159.97
MSRP $242.51
$159.97
7
Transmission Support Crossmember GM
GM Description: 6 spd trans, 2wd. Helps align and secure your vehicle's transmission
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 $233.91
$154.30
MSRP $233.91
$154.30
7
Transmission Support Crossmember GM
GM Description: 4wd, 6.6L gas. 6 spd trans, 4wd. Helps align and secure your vehicle's transmission
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 $237.89
$156.92
MSRP $237.89
$156.92
8
Spare Wheel Hoist Crossmember GM
GM Notes: PARTS: Part included with frame assembly.
Description: Silverado, Sierra 2500 HD. Regular cab. Silverado, Sierra 3500 HD. Double cab. Helps strengthen and support your vehicle's frame
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $74.92
$51.45
MSRP $74.92
$51.45
9
Spare Wheel Carrier GM
GM Notes: PARTS: Part included with frame assembly.
Description: Helps secure and align your vehicle's spare wheel until needed
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $120.05
$80.28
MSRP $120.05
$80.28
10
Support Outer Support GM
GM Positions: Left
Notes: PARTS: Part included with frame assembly.
Description: Torsion bar. 2wd. Rwd. 4wd, without at4x.
MSRP $79.56
$51.71
MSRP $79.56
$51.71
11
Torsion Bar Support Insulator GM
GM Positions: Left
Notes: PARTS: Part included with torsion bar support.
Description: 4wd. 2wd. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $33.85
$20.30
MSRP $33.85
$20.30
12
Rear Driver Side Spring Rear Hanger GM
GM Positions: Left
Notes: PARTS: Part included with frame assembly.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $185.89
$103.16
MSRP $185.89
$103.16
12
Rear Passenger Side Spring Rear Hanger GM
GM Positions: Right
Notes: PARTS: Part included with frame assembly.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $183.55
$101.86
MSRP $183.55
$101.86
13
Driver Side Body Rear Mount Bracket GM
GM Positions: Left
Notes: PARTS: Part included with frame assembly.
Description: Body mount. Helps align and secure your body mount
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 $17.73
$12.82
MSRP $17.73
$12.82
13
Passenger Side Body Rear Mount Bracket GM
GM Positions: Right
Notes: PARTS: Part included with frame assembly.
Description: Body mount. Helps align and secure your body mount
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 $17.73
$12.82
MSRP $17.73
$12.82
14
Front Tow Hook GM
GM Positions: Left
Description: Black. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $107.15
$71.65
MSRP $107.15
$71.65
15
M12x1.75x110 Multi Purpose Bolt GM
GM Positions: Left
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.72
$5.28
MSRP $7.72
$5.28
