Frame for 2021 Chevrolet Silverado 1500
1. Work Step Assist Steps - Black - Crew Cab 
2. Frame Assembly 
3. Lock Pillar Trim 
4. Body B-Pillar 
5. Inner Windshield Pillar 
6. Uniside Assembly 
7. Windshield Pillar Trim 
8. Inner Windshield Pillar Bracket 
9. Cowl Cover Seal 
10. Mount Cushion 
11. Assist Steps, 6-Inch Rectangular, Black 
12. Step Bar Assembly 
13. Uniside Assembly 
14. Inner Lock Pillar 
15. Trailer Hitch 
16. Inner Center Pillar 
17. Front 
18. Inner Rocker 
19. Roll Bar 
20. Body A-Pillar Trim Panel 
21. Windshield Pillar Trim 
22. Windshield Pillar Trim 
23. Body B-Pillar Baffle Plate 
24. Body B-Pillar Baffle Plate 
25. Body B-Pillar Baffle Plate 
26. Inner Windshield Pillar Bracket 
27. Side Cover No.
Part # / Description / Price
Price
1
Passenger Side Assist Step 
GM
GM Positions: Right
Description: Crew cab, power retractable. 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 $1,654.12
$1,135.96
MSRP $1,654.12
$1,135.96
1
(Replaces 84588891) Driver Side Assist Step GM
GM Positions: Left
Description: Crew cab power retractable.
$988.43
$988.43
1
MSRP $612.27
$442.61
1
$305.89
2
Driver Side Assist Step GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab power retractable. Step bar. 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 $620.96
$448.88
MSRP $620.96
$448.88
2
Step Bar GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab power retractable. black.
$305.89
$305.89
3
Driver Side Assist Step Front Finish Cap GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab power retractable. 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 $60.84
$43.98
MSRP $60.84
$43.98
3
Step Bar Front Cap GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab power retractable.
MSRP $60.84
$43.98
MSRP $60.84
$43.98
3
Assist Step Front Finish Cap GM
GM Positions: Front left
Description: Regular cab, oval type. Crew cab oval type. Double cab oval type. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
3
Assist Step Finish Cap GM
GM Positions: Front left
Description: Crew cab, work step. Double cab, work step. Crew cab black assist. Double cab black assist. 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 $51.44
$37.19
MSRP $51.44
$37.19
4
Assist Step Front Extension GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab power retractable. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $229.08
$165.60
MSRP $229.08
$165.60
4
Running Board Reinforcement Bracket GM
GM Positions: Rear
Description: Crew cab, power retractable. Helps align and secure your vehicle's running board
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 $13.03
$9.42
MSRP $13.03
$9.42
4
Driver Side Assist Step Front Extension GM
GM Positions: Front left
Description: Crew cab power retractable. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $245.38
$177.38
MSRP $245.38
$177.38
4
Passenger Side Assist Step Front Extension GM
GM Positions: Front right
Description: Crew cab power retractable. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $239.85
$173.39
MSRP $239.85
$173.39
4
Driver Side Assist Step Front Extension GM
GM Positions: Rear left
Description: Crew cab power retractable. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $230.66
$166.74
MSRP $230.66
$166.74
5
Front Bracket Insulator GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab power retractable.
$11.88
$11.88
7
Rear Extension GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab power retractable.
MSRP $232.25
$167.89
MSRP $232.25
$167.89
9
(Replaces 84588893) Driver Side Assistance Step Motor GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable.
$704.75
$704.75
9
Passenger Side Assist Step Motor (Replaces 84785038) GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable.
$704.75
$704.75
11
Driver Side Assist Step Switch GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $131.41
$94.99
MSRP $131.41
$94.99
11
Passenger Side Assist Step Switch GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $131.41
$94.99
MSRP $131.41
$94.99
12
Wire GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable.
MSRP $157.92
$114.16
MSRP $157.92
$114.16
12
Wire GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable.
MSRP $157.92
$114.16
MSRP $157.92
$114.16
13
Module GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable, right side only.
MSRP $588.04
$425.09
MSRP $588.04
$425.09
14
Passenger Side Running Board Mounting Bracket GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Helps align and secure assist step
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 $115.49
$83.48
MSRP $115.49
$83.48