Hardware, Fasteners & Fittings for 2020 GMC Sierra 3500 HD
1. Rear Bumper 
2. Windshield Pillar Trim 
3. Bumper 
4. Hood 
5. Truck Bed Decal 
6. Frame Assembly 
7. Fender 
8. Rear 
9. Windshield Pillar Trim 
10. Step Bar Assembly 
11. Armrest Stop 
12. Lock Pillar Trim 
13. Door Shell 
14. Inst Cluster 
15. Rear 
16. Console Assembly 
17. Door Trim Panel 
18. Filler Panel 
19. Door Trim Panel 
20. Front 
21. Belt Molding 
22. Headliner 
23. Mount Cushion 
24. Door Shell 
25. Front right 
26. Front 
27. Work Step Assist Steps - Black - Double Cab 
28. Lock Pillar Trim 
29. Spoiler Assembly 
30. Outer Rail 
31. Trailer Hitch 
32. Tail Gate 
33. Door Trim Panel 
34. Multi Switch 
35. Headrest 
36. Box Assembly 
37. Headrest 
38. Box Assembly 
39. 12 Volt Accessory Power Outlet 
40. Start Button 
41. Bumper Cover Bolt 
42. Steering Wheel 
43. Bumper Cover Bolt 
44. Bumper Cover Bolt 
45. Mirror Assembly 
46. Bumper Cover Bolt 
47. Bumper Cover Bolt 
48. Headliner 
49. Grille Bolt 
50. Bumper Cover Bolt 
51. Horn 
52. Grille Bolt 
53. Outer Belt Assembly 
54. Belt Molding 
55. Headliner 
56. Quarter Panel Splash Shield Bolt 
57. Front Molding Retainer 
58. Grille Surround Bolt 
59. Rear 
60. Bumper Cover Bolt 
61. Door Glass 
62. Quarter Panel Splash Shield Bolt 
63. Door Trim Panel 
64. Bumper Cover Bolt 
65. Bumper Cover Bolt 
66. Hole Cover Bolt 
67. Bumper Cover Bolt 
68. Tail Gate 
69. Armrest Assembly 
70. Handle, Outside 
71. Inner Rocker Assembly 
72. Fender Liner Bolt 
73. Fender Liner Bolt 
74. Air Deflector Bolt 
75. Hood Molding Clip 
76. Molding Clip 
77. Rear Insulator Seal 78. License Plate Bracket Rivet No.
Part # / Description / Price
Price
1
Chrome Rear Bumper Impact Bar 
GM
GM Notes: PARTS: Part included with bumper assmebly.
Description: Single exhaust, without park assist chrome. Helps limit damage in low impact collisions
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $958.82
$618.03
MSRP $958.82
$618.03
1
Bar GM
GM Notes: PARTS: Part included with bumper assmebly.
Description: Without SUPER CRUISE without ZR2 BISON. single exhaust, with park assist chrome.
$678.51
$678.51
2
Bumper Protection Pad GM
GM Positions: Left
Description: Without aev edition. Without bison edition. Without super cruise without zr2 bison.
MSRP $32.05
$25.10
MSRP $32.05
$25.10
2
Bumper Protection Pad GM
GM Positions: Right
Description: Without aev edition. Without bison edition. Without super cruise without zr2 bison.
MSRP $32.05
$25.10
MSRP $32.05
$25.10
3
Push-Pin GM
GM Positions: Left
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.01
$5.93
MSRP $8.01
$5.93
4
Rear 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 $53.15
$38.42
MSRP $53.15
$38.42
4
Rear 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 $53.15
$38.42
MSRP $53.15
$38.42
5
M8x1.25x25 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 $10.97
$8.13
MSRP $10.97
$8.13
6
Multi-Purpose Nut GM
GM Positions: Left
Description: 2wd. Rwd, rear, 14x2,29.9mm. With zr2, zr2 bison. Awd, rear. Fwd, rear. With magnetic ride, with ground clearance package. Without magnetic ride, with ground clearance control. Without AWD. inner. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.92
$5.86
MSRP $7.92
$5.86
7
Rear 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 $158.10
$109.53
MSRP $158.10
$109.53
7
Bumper Bracket GM
GM Positions: Right
Description: Without aev edition. Without bison edition.
MSRP $158.10
$109.53
MSRP $158.10
$109.53
8
M8x1.25x27mm 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 $7.74
$6.06
MSRP $7.74
$6.06
8
Bumper Impact Bar Bolt GM
GM Positions: Outer
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
8
M6x1.0x25mm Multi-Purpose Bolt GM
GM Positions: Inner
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
8
Multi-Purpose Bolt GM
GM 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
9
Multi-Purpose Nut GM
GM Positions: Left
Description: Trailer hitch,U-nut. With trailer package. 6.6, 8 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $5.29
$3.93
MSRP $5.29
$3.93
10
Rear Bumper Cover Step Pad GM
GM Notes: PARTS: Part included with bumper assmebly.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $170.65
$118.22
MSRP $170.65
$118.22
10
Rear Bumper Fascia Step Pad GM
GM Notes: PARTS: Part included with bumper assmebly.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $192.39
$133.29
MSRP $192.39
$133.29
12
Multi-Purpose Nut GM
GM Description: 5.8 ft box. 6.6 ft box. Bumper support, type 1. Insert,U-nut. Tourx, cover & trim. With gs, structure & mounting. With gs, cover & trim. Wheelhouse liner, #3. Headlamp assy,nut. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.62
$6.38
MSRP $8.62
$6.38
12
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
13
Trailer Wiring Receptacle Cap GM
GM Description: Backup alarm, round. Towing receptacle, round. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $9.11
$6.75
MSRP $9.11
$6.75
13
Trailer Wiring Receptacle Cap GM
GM Description: Backup alarm, oval. With corner step, towing receptacle. Towing receptacle, oval. Without park assist, without tow package. Without zr2, zr2 bison, without tow package. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $43.36
$32.14
MSRP $43.36
$32.14
14
Bumper Step Pad Bracket GM
GM Positions: Left
Notes: PARTS: Part included with bumper assmebly.
Description: Without aev edition. Without bison edition. Without super cruise without zr2 bison.
MSRP $77.74
$56.20
MSRP $77.74
$56.20
14
Bumper Step Pad Bracket GM
GM Positions: Right
Notes: PARTS: Part included with bumper assmebly.
Description: Without aev edition. Without bison edition. Without super cruise without zr2 bison.
MSRP $77.74
$56.20
MSRP $77.74
$56.20
15
M4.2x1.41x20 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 $8.83
$6.92
MSRP $8.83
$6.92
15
M4.2x1.4x20 Multi-Purpose Bolt GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $36.30
$26.84
MSRP $36.30
$26.84
20
Bumper Step Pad GM
GM Positions: Left
Notes: PARTS: Part included with bumper assmebly.
Description: Without aev edition. Without bison edition. Without super cruise without zr2 bison. Pad.
MSRP $46.21
$36.19
MSRP $46.21
$36.19
20
Bumper Step Pad GM
GM Positions: Right
Notes: PARTS: Part included with bumper assmebly.
Description: Without aev edition. Without bison edition. Without super cruise without zr2 bison. Pad.
MSRP $38.94
$30.50
MSRP $38.94
$30.50