Brackets, Flanges & Hangers for 2023 GMC Sierra 3500 HD
1. Fender 
2. Bumper 
3. Outer Rail 
4. Inner Lock Pillar 
5. Rear Bumper 
6. Body A-Pillar 
7. Inner Windshield Pillar 
8. Inner Lock Pillar 
9. Uniside Assembly 
10. Uniside Assembly 
11. Roof Panel 
12. Front Panel 
13. Side Panel 
14. Headliner 
15. Front Floor Pan 
16. Floor Pan 
17. Park Sensor 
18. Lock Pillar Trim 
19. Lock Pillar Trim 
20. Steering Wheel 
21. Step Bar Assembly 
22. Frame Assembly 
23. Roof Panel 
24. Carrier 
25. Floor Pan 
26. Headliner 
27. Floor Pan Reinforcement Bracket 
28. Body A-Pillar 
29. Filler Panel 
30. Cowl Cover 
31. Side Cover 
32. Headrest 
33. Headrest 
34. Windshield Pillar Trim 
35. Windshield Pillar Trim 
36. Armrest Assembly 
37. Filler Panel 38. Frame Side Member Bracket No.
Part # / Description / Price
Price
1
Frame Assembly 
GM
GM Description: Crew cab, 8 ft box, 4wd. Crew cab, 4wd, 8ft box, all. Crew cab, rwd, 8 ft box. Crew cab, 2wd, 8 ft box.
$3,535.23
$3,535.23
1
$2,373.40
1
Frame Assembly GM
GM Description: Crew cab, 4wd, 6.9 ft box, without z71, zr2, with max trailer pkg. Crew cab, 4wd, 6.9 ft box, with at4x.
$3,535.23
$3,535.23
1
$2,290.85
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
Passenger Side Radiator Upper Bracket GM
GM Positions: Right
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 and front section.
$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
