Lighting - Exterior for 2021 GMC Sierra 2500 HD
1. Tail Lamp 
2. License Lamp 
3. High Mount Lamp 
4. Center 
5. Mirror Assembly 
6. Mirror Assembly 
7. Step Bar Assembly 
8. Side Marker Lamp 
9. Roof Lamp Assembly 
10. Side Marker Lamp 
11. Clearance Light Assembly 
12. Clearance Light Assembly 
13. Clearance Light Assembly 
14. License Plate Light Bulb 
15. Right 
16. Rear 
17. Side Marker Light Bulb 
18. Side Marker Light Bulb 
19. Bulb 
20. Bulb 
21. Bulb 
22. Front 
23. Bulb 
24. Bulb 
25. Left 
26. Marker Lamp Bulb 
27. License Lmp Bulb 
28. License Lmp Bulb 
29. License Lmp Bulb 
30. Bulb 
31. License Plate Light Bulb 
32. License Lmp Bulb 
33. Side Marker Light Bulb 
34. License Plate Light Bulb 
35. Signal Lamp Bulb 
36. Marker Lamp Bulb 
37. Bulb 
38. Right 
39. Side Marker Light Bulb 
40. Rear 
41. Headlamp Assembly 
42. Marker Lamp Bulb 
43. Marker Lamp Bulb 
44. Marker Lamp Bulb 
45. Bulb 
46. Side Marker Light Bulb 
47. Low Beam Bulb 
48. Marker Lamp Bulb 
49. Marker Lamp Bulb 
50. Low Beam Bulb 
51. Marker Lamp Bulb 
52. License Plate Light Bulb 
53. Low Beam Bulb 
54. Marker Lamp Bulb 
55. Marker Lamp Bulb 
56. Left 
57. Marker Lamp Bulb 
58. Marker Lamp Bulb 59. License Plate Light Bulb No.
Part # / Description / Price
Price
1
$1,152.93
1
$1,327.63
1
$1,147.68
1
$1,100.30
2
Driver Side Assist Step 
GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Assists with access into and out of 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 $1,247.34
$819.04
MSRP $1,247.34
$819.04
2
Step Bar GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable, chrome.
MSRP $1,247.34
$819.04
MSRP $1,247.34
$819.04
2
Driver Side Assist Step GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Assists with access into and out of 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 $369.10
$243.47
MSRP $369.10
$243.47
2
Step Bar GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable, black.
MSRP $369.10
$243.47
MSRP $369.10
$243.47
3
Driver Side Assist Step Front Finish Cap GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Installed in your vehicle's assist step for a finished appearance
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 $17.38
$12.56
MSRP $17.38
$12.56
3
Passenger Side Assist Step Front Finish Cap GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Installed in your vehicle's assist step for a finished appearance
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 $17.38
$12.56
MSRP $17.38
$12.56
3
Driver Side Assist Step Front Finish Cap GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Installed in your vehicle's assist step for a finished appearance
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 $17.66
$12.77
MSRP $17.66
$12.77
3
Passenger Side Assist Step Front Finish Cap GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Installed in your vehicle's assist step for a finished appearance
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 $17.66
$12.77
MSRP $17.66
$12.77
4
Driver Side Assist Step Front Finish Cap GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Installed in your vehicle's assist step for a finished appearance
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 $17.38
$12.56
MSRP $17.38
$12.56
4
Passenger Side Assist Step Front Finish Cap GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Installed in your vehicle's assist step for a finished appearance
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 $17.38
$12.56
MSRP $17.38
$12.56
4
Driver Side Assist Step Front Finish Cap GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Installed in your vehicle's assist step for a finished appearance
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 $17.66
$12.77
MSRP $17.66
$12.77
4
Passenger Side Assist Step Front Finish Cap GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Installed in your vehicle's assist step for a finished appearance
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 $17.66
$12.77
MSRP $17.66
$12.77
5
Step Bar Plate GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable.
MSRP $10.39
$7.51
MSRP $10.39
$7.51
6
Motor GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable.
$292.95
$292.95
6
Passenger Side Assist Step Motor GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable.
$305.90
$305.90
7
Assist Step Shield GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.12
$5.87
MSRP $8.12
$5.87
8
Driver Side Assist Step Shield GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $34.94
$24.00
MSRP $34.94
$24.00
8
Passenger Side Assist Step Shield GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $34.94
$24.00
MSRP $34.94
$24.00
9
Rod GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable.
MSRP $33.33
$22.89
MSRP $33.33
$22.89
10
Rear Bracket GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable.
$131.36
$131.36
10
Rear Bracket GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable.
$134.65
$134.65
11
Driver Side Assist Step Insert GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $115.30
$77.10
MSRP $115.30
$77.10
11
F Insert GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable.
$112.72
$112.72
12
Lamp GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable.
$101.92
$101.92
12
Lamp GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable.
$101.92
$101.92
13
Wire GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable.
MSRP $23.12
$16.72
MSRP $23.12
$16.72
13
Wire GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable.
MSRP $35.97
$24.70
MSRP $35.97
$24.70
