Brackets, Flanges & Hangers for 2021 GMC Sierra 2500 HD
1. Fender 
2. Outer Rail 
3. Bumper 
4. Inner Center Pillar 
5. Rear Bumper 
6. Lock Pillar Trim 
7. Inner Lock Pillar 
8. Body A-Pillar 
9. Inner Lock Pillar 
10. Console Assembly Front Bracket 
11. Uniside Assembly 
12. Front Panel 
13. Headliner 
14. Side Panel 
15. Park Sensor 
16. Steering Wheel 
17. Frame Assembly 
18. Uniside Assembly 
19. Body A-Pillar Bracket 
20. Roof Panel 
21. Carrier 
22. Roof Panel 
23. Inner Lock Pillar 
24. Uniside Assembly 
25. Headliner 
26. Front Floor Pan 
27. Filler Panel 
28. Roof Panel 
29. Floor Pan Reinforcement Bracket 
30. Mat 
31. Cowl Side Panel 
32. Windshield Pillar Trim 
33. Cowl Grille 
34. Headrest 
35. Headrest 
36. Windshield Pillar Trim 
37. Armrest Assembly 
38. Filler Panel 39. Left 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
