Hardware, Fasteners & Fittings for 2012 GMC Sierra 3500 HD
1. Bumper 
2. Bumper 
3. Door Interior Trim Panel Retainer 
4. Windshield Pillar Trim 
5. Bumper Assembly 
6. Door Interior Trim Panel 
7. Body A-Pillar 
8. Body A-Pillar Trim Panel Clip 
9. Hood 
10. Door Lock Operating Rod 
11. Bumper 
12. Handle, Outside 
13. Fender 
14. Belt & Retractor 
15. Door Handle Link 
16. Seat Back Cushion 
17. Cowl Cover 
18. Front 
19. Windshield Pillar Trim 
20. Handle, Outside 
21. Windshield 
22. Handle, Outside 
23. Door Trim Panel 
24. Bed Rail Protector - 8 feet Long Bed 
25. Trailer Hitch 
26. Headliner 
27. Grille Assembly 
28. Cowl Cover Cap 
29. Body Mount Cushion 
30. Mount Cushion 
31. Hood 
32. Sight Shield 
33. Fender Rear Brace 
34. Edge Molding 
35. Windshield Pillar Trim Hole Cover 
36. Door Trim Panel 
37. Roof Luggage Carrier Side Rail 
38. Tailgate 
39. Tail Gate 
40. Door Interior Trim Panel Retainer 
41. Door Interior Trim Panel Retainer 
42. Steering Wheel 
43. Door Interior Trim Panel Retainer 
44. Front 
45. Roof Panel 
46. Side Rail 
47. Door Trim Panel 
48. Cowl Grille Clip 
49. Step Bar Assembly 
50. Headliner 
51. Door Glass Seal 
52. Cowl Grille Screen 
53. Door Glass 
54. Front lower 
55. Body A-Pillar Trim Panel 56. Hood Molding Bolt No.
Part # / Description / Price
Price
1
Rear Bumper Impact Bar 
GM
GM Notes: PARTS: Part included with bumper assembly.
Description: 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 $410.09
$271.25
MSRP $410.09
$271.25
2
Bumper Face Bar Bolt GM
GM Notes: PARTS: Part included with bumper assembly.
Description: Gmc. With platinum & premium. Sedan, without off road package-z71.
MSRP $17.25
$11.81
MSRP $17.25
$11.81
3
Multi-Purpose Nut GM
GM Notes: PARTS: Part included with bumper assembly.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.35
$6.43
MSRP $8.35
$6.43
3
Multi-Purpose Nut GM
GM Positions: Rear
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.03
$6.17
MSRP $8.03
$6.17
4
Rear Driver Side Bumper Impact Bar Brace GM
GM Positions: Left
Notes: PARTS: Part included with bumper assembly.
Description: Bumper brace. Helps prevent a sagging bumper impact bar
Provides a mounting location for the bumper impact bar
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $89.24
$59.67
MSRP $89.24
$59.67
4
Passenger Side Rear Bumper Impact Bar Brace GM
GM Positions: Right
Notes: PARTS: Part included with bumper assembly.
Description: Bumper brace. Helps prevent a sagging bumper impact bar
Provides a mounting location for the bumper impact bar
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $89.24
$59.67
MSRP $89.24
$59.67
7
Rear Driver Side Bumper Impact Bar End Cap GM
GM Positions: Left
Notes: PARTS: Part included with bumper assembly.
Description: With reverse sensor. Helps protect impact bar from the elements and debris build-up
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $380.24
$251.51
MSRP $380.24
$251.51
7
Passenger Side Rear Bumper Impact Bar End Cap GM
GM Positions: Right
Notes: PARTS: Part included with bumper assembly.
Description: With reverse sensor. Helps protect impact bar from the elements and debris build-up
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $316.96
$209.65
MSRP $316.96
$209.65
7
Rear Driver Side Bumper Impact Bar End Cap GM
GM Positions: Left
Notes: PARTS: Part included with bumper assembly.
Description: Without reverse sensor. Helps protect impact bar from the elements and debris build-up
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $331.39
$219.19
MSRP $331.39
$219.19
7
Passenger Side Rear Bumper Impact Bar End Cap GM
GM Positions: Right
Notes: PARTS: Part included with bumper assembly.
Description: Without reverse sensor. Helps protect impact bar from the elements and debris build-up
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $383.66
$253.77
MSRP $383.66
$253.77
7
Primed Driver Side Rear Bumper Impact Bar End Cap GM
GM Positions: Left
Description: Paint to match. Helps protect impact bar from the elements and debris build-up
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $387.00
$255.98
MSRP $387.00
$255.98
7
Primed Passenger Side Rear Bumper Impact Bar End Cap GM
GM Positions: Right
Description: Paint to match. Helps protect impact bar from the elements and debris build-up
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $379.44
$250.98
MSRP $379.44
$250.98
8
End Cap Rivet GM
GM Positions: Left
Notes: PARTS: Part included with bumper assembly.
Description: Gmc.
MSRP $8.17
$6.28
MSRP $8.17
$6.28
9
M8x1.25x25 Multi-Purpose Bolt GM
GM Positions: Left
Notes: PARTS: Part included with bumper assembly.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $11.29
$7.72
MSRP $11.29
$7.72
10
M8x20 Multi-Purpose Bolt GM
GM Positions: Left
Notes: PARTS: Part included with bumper assembly.
Description: 2.8L turbo diesel. 3.6L. With high output, 8x20mm. 1.5L, type 2. 1.5L turbo, 8x1.25x20 mm. 1.4L, m8x1.25. Conventional without hybrid. 8mm. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $17.90
$12.24
MSRP $17.90
$12.24
12
Multi-Purpose Bracket GM
GM Positions: Left
Description: With corner step. Backup alarm. Fleetside with SS. Stepside. 2wd receiver type. 2wd standard type. 4wd receiver type. 4wd standard type. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $16.17
$11.69
MSRP $16.17
$11.69
14
Black Rear Bumper Step Center Pad GM
GM Notes: PARTS: Part included with bumper assembly.
Description: Center with reverse sensor. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $160.16
$107.09
MSRP $160.16
$107.09
14
Black Rear Bumper Step Center Pad GM
GM Notes: PARTS: Part included with bumper assembly.
Description: Center without reverse sensor. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $153.95
$102.94
MSRP $153.95
$102.94
15
Multi-Purpose Retainer GM
GM Notes: PARTS: Part included with bumper assembly.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.55
$5.81
MSRP $7.55
$5.81
15
Push-Pin GM
GM Positions: Rear
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.83
$6.02
MSRP $7.83
$6.02
17
7-Way Trailer Wiring Electrical Receptacle with Cap GM
GM Description: Towing receptical. Towing receptacle. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $95.28
$65.05
MSRP $95.28
$65.05
18
Parking Assist Alarm Sensor GM
GM Notes: PARTS: Part has related components that cannot be reused/reinstalled; housing. Part included with bumper assembly.
Description: All. Silverado, sierra hybrid. Measure the distance between the vehicle and nearby objects
Alerts driver of potential obstacles to parking
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $358.59
$237.19
MSRP $358.59
$237.19
19
Rear Park Assist Sensor Housing GM
GM Notes: PARTS: Part cannot be reused/reinstalled. Part included with bumper assembly. Part requires structural adhesive epoxy.
Description: Reverse sensing system. in bumper. Keeps your vehicle's parking assist sensor securely in place to help provide accurate feedback to the vehicle operator
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $16.47
$11.90
MSRP $16.47
$11.90
19
Black Rear Park Assist Sensor Housing GM
GM Notes: PARTS: Part cannot be reused/reinstalled. Part included with bumper assembly. Part requires structural adhesive epoxy.
Description: Reverse sensing system. in step pad. Keeps your vehicle's parking assist sensor securely in place to help provide accurate feedback to the vehicle operator
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $14.69
$10.62
MSRP $14.69
$10.62
20
Rear License Plate Lamp Wiring Harness GM
GM Notes: PARTS: Part included with bumper assembly.
Description: Without dual rr wheels. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $331.78
$182.15
MSRP $331.78
$182.15
20
Rear License Plate Lamp Wiring Harness GM
GM Positions: Rear
Description: With dual rr wheels. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors