Hardware, Fasteners & Fittings for 2021 GMC Sierra 3500 HD
1. Rear Bumper 
2. Outer Belt Assembly 
3. Step Bar Assembly 
4. Hood 
5. Headliner 
6. Windshield Pillar Trim 
7. Console Assembly 
8. Door Trim Panel 
9. Filler Panel 
10. Rear 
11. Bumper 
12. Fender 
13. Nameplate 
14. Armrest Assembly 
15. Door Shell 
16. Front 
17. Console Assembly 
18. Lock Pillar Trim 
19. Rear 
20. Door Shell 
21. Mount Cushion 
22. Box Assembly 
23. Front 
24. Outer Rail 
25. Belt Molding 
26. Tailgate 
27. Multi Switch 
28. Door Trim Panel 
29. Truck Bed Decal 
30. Frame Assembly 
31. Bumper Cover Bolt 
32. Bumper Cover Bolt 
33. Mirror Assembly 
34. Bumper Cover Bolt 
35. Bumper Cover Bolt 
36. Steering Wheel 
37. Bumper Cover Bolt 
38. Grille Bolt 
39. Bumper Cover Bolt 
40. Horn 
41. Upper Molding 
42. Grille Bolt 
43. Quarter Panel Splash Shield Bolt 
44. Front Molding Retainer 
45. Grille Surround Bolt 
46. Rear 
47. Bumper Cover Bolt 
48. Bumper Cover Bolt 
49. Quarter Panel Splash Shield Bolt 
50. Bumper Cover Bolt 
51. Hole Cover Bolt 
52. Bumper Cover Bolt 
53. Inner Rocker Assembly 
54. Box Assembly 
55. Handle, Outside 
56. Tail Gate 
57. Headrest 
58. Fender Liner Bolt 
59. Headrest 
60. Fender Liner Bolt 
61. Air Deflector Bolt 
62. Hood Molding Clip 
63. Molding Clip 
64. Rear Insulator Seal 65. License Plate Bracket Rivet No.
Part # / Description / Price
Price
1
Front Bumper Impact Bar 
GM
GM Description: 2020-23, painted bumper, with ft park sensors. 2020-23, painted bumper, with prk aid.
MSRP $1,078.12
$694.93
MSRP $1,078.12
$694.93
2
Multi-Purpose Nut GM
GM Description: Helps align and secure various components
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $9.69
$7.59
MSRP $9.69
$7.59
3
Fuel Pump Power Control Module Bracket GM
GM Description: Secures your vehicle's fascia to its body
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $57.12
$41.29
MSRP $57.12
$41.29
4
M4.2x1.41x25 Multi-Purpose Bolt GM
GM Description: Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.83
$6.92
MSRP $8.83
$6.92
6
Front Driver Side Bumper Impact Bar Bracket GM
GM Positions: Left
Description: Helps align and secure your vehicle's bumper impact bar
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $179.74
$124.52
MSRP $179.74
$124.52
6
Front Passenger Side Bumper Impact Bar Bracket GM
GM Positions: Right
Description: Helps align and secure your vehicle's bumper impact bar
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $179.74
$124.52
MSRP $179.74
$124.52
7
Multi-Purpose Bolt GM
GM Positions: Left
Description: 2.0L turbo, driver side. At4, slt, denali upper components. 2.7L turbo, auxiliary. 3.0L twin-turbo, auxiliary radiator. 2.7L turbo, rwd. Base, sle, elevation upper components. Coupe, 8mm. Structure & components. Convertible, m8x1.25x30. Fuel tank components. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.06
$5.97
MSRP $8.06
$5.97
11
Front Driver Side Bumper Impact Bar Bracket GM
GM Positions: Left
Description: Helps align and secure your vehicle's bumper impact bar
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $28.12
$22.02
MSRP $28.12
$22.02
11
Front Passenger Side Bumper Impact Bar Bracket GM
GM Positions: Right
Description: Helps align and secure your vehicle's bumper impact bar
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $28.12
$22.02
MSRP $28.12
$22.02
12
M6x1.0x25mm Multi-Purpose Bolt GM
GM Positions: Left
Description: Helps secure and attach your vehicle's radiator support baffle
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.69
$6.02
MSRP $7.69
$6.02
14
Front Driver Side Bumper Fascia Support Brace GM
GM Positions: Left
Description: Helps keep fascia secure
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $50.23
$36.31
MSRP $50.23
$36.31
14
Front Passenger Side Bumper Fascia Support Brace GM
GM Positions: Right
Description: Helps keep fascia secure
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $50.23
$36.31
MSRP $50.23
$36.31
15
Bumper Impact Bar Bolt GM
GM Positions: Left
Description: Chevrolet bumper & hardware. Gmc bumper & hardware. 2016-19, bumper & hardware. 10x34.8mm. Bumper & mounting. At4, slt, denali upper components. front. Base, sle, elevation upper components. front. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $9.22
$6.83
MSRP $9.22
$6.83
16
Support Bracket GM
GM Positions: Left
Description: Without aev edition. 2024-26. With led headlamps. Without bison.
$37.75
$37.75
16
Support Bracket GM
GM Positions: Right
Description: Without aev edition. 2024-26. Without bison. With led headlamps.
$37.75
$37.75
18
$19.99
19
M4.2x1.41x20.8 Multi-Purpose Bolt GM
GM Positions: Left
Description: Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $9.69
$7.59
MSRP $9.69
$7.59
20
MSRP $9.89
$7.33
20
Multi-Purpose Nut GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $10.09
$7.90
MSRP $10.09
$7.90