Frame for 2020 Chevrolet Silverado 1500
1. Right 
2. Frame Assembly 
3. Lock Pillar Trim 
4. Body A-Pillar 
5. Inner Center Pillar 
6. Body B-Pillar Bracket 
7. Uniside Assembly 
8. Uniside Assembly 
9. Mount Cushion 
10. Step Bar Assembly 
11. Windshield Pillar Trim 
12. Windshield Pillar Trim 
13. Inner Lock Pillar 
14. Inner Windshield Pillar Bracket 
15. Inner Windshield Pillar 
16. Cowl Side Panel 
17. Trailer Hitch 
18. 4-Inch Round Assist Steps, Black 
19. 4-Inch Round Assist Steps - Black - Crew Cab 
20. Front 
21. Cowl Grille 
22. Inner Rocker 
23. Rear 
24. Body A-Pillar Trim Panel 
25. Windshield Pillar Trim 
26. Windshield Pillar Trim 
27. 6-Inch Rectangular Wheel-To-Wheel Assist 
28. Body B-Pillar Baffle Plate 
29. Body B-Pillar Baffle Plate 
30. Body B-Pillar Baffle Plate 
31. Side Cover 
32. Cowl Side Panel 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
$1,819.73
$1,819.73
1
$949.16
1
Driver Side Assist Step GM
GM Positions: Left
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
$406.23
MSRP $620.96
$406.23
1
$276.82
2
Step Bar GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab power retractable. chrome.
MSRP $612.27
$400.55
MSRP $612.27
$400.55
2
Step Bar GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab power retractable. black.
$276.82
$276.82
3
Driver Side Assist Step Front Finish Cap GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: GM Genuine Parts Driver Side Assist Step Front Finish Cap (Part Number: 84266747) is a finish cap for a power retractable assist step providing a finished appearance and replacement for worn or missing caps. Backed by General Motors (GM). Function: Decorat ...
MSRP $60.84
$42.83
MSRP $60.84
$42.83
3
Step Bar Front Cap GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: GM Genuine Parts Step Bar Front Cap (Part Number: 84266748) is an OE-style end cap for power-retractable step bars that finishes the front end appearance and provides a secure closure. Function: Finishes and secures the front end of the step/running board ...
MSRP $60.84
$42.83
MSRP $60.84
$42.83
3
Assist Step Front Finish Cap Passenger Side Rear Or Driver Side Front GM
GM Positions: Front left
Description: GM Genuine Parts Assist Step Front Finish Cap (Part Number: 84173416) is a finish cap for the front end of an assist step (step bar) to complete the appearance and protect mounting points. Type: Assist step/front finish capFunction: Provides a finished app ...
$68.22
$68.22
3
Assist Step Front Finish Cap Passenger Side Front Or Driver Side Rear GM
GM Positions: Front right
Description: GM Genuine Parts Assist Step Front Finish Cap (Part Number: 84173417) is the finished cap installed in the assist step assembly to conceal fasteners and provide a finished appearance. OE-fit cap for specified cab types and step styles.Type: Step Bar Front ...
MSRP $62.91
$44.30
MSRP $62.91
$44.30
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
$36.22
MSRP $51.44
$36.22
3
Assist Step Finish Cap GM
GM Positions: Front right
Description: GM Genuine Parts Assist Step Finish Cap (Part Number: 84212675) is a finish cap for assist step assemblies that gives a factory appearance and protects mounting ends. Function: Provides a finished appearance for assist/step bar ends and helps protect edges ...
MSRP $50.55
$35.59
MSRP $50.55
$35.59
4
Assist Step Front Extension GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: GM Genuine Parts Assist Step Front Extension (Part Number: 84409838) is a factory front extension component for crew cab power retractable assist steps. Engineered to OEM specifications for proper integration with the retractable step assembly and reliable ...
MSRP $229.08
$150.41
MSRP $229.08
$150.41
4
Driver Side Assist Step Front Extension GM
GM Positions: Front left
Description: GM Genuine Parts Driver Side Assist Step Front Extension (Part Number: 23321126) is a front extension component for crew-cab power retractable assist steps, providing a clean factory look and restoring proper step deployment. Function: Extension piece for ...
MSRP $245.38
$161.11
MSRP $245.38
$161.11
4
Passenger Side Assist Step Front Extension GM
GM Positions: Front right
Description: GM Genuine Parts Passenger Side Assist Step Front Extension (Part Number: 23321127) is a front extension component for a passenger-side assist step, intended to restore step coverage and function. Type: Assist step front extensionFunction: Restores retract ...
MSRP $239.85
$157.48
MSRP $239.85
$157.48
4
Driver Side Assist Step Front Extension GM
GM Positions: Rear left
Description: GM Genuine Parts Driver Side Assist Step Front Extension (Part Number: 84613787) is a genuine extension component for power-retractable assist steps, designed to restore step function and appearance. Function: Extends the front portion of the assist step a ...
MSRP $230.66
$151.45
MSRP $230.66
$151.45
4
Rear Extension GM
GM Positions: Rear right
Description: GM Genuine Parts Rear Extension (Part Number: 84613788) is a rear extension assembly for power retractable running boards designed to mount and support the retractable step mechanism. Function: Extension component for crew cab power retractable running boa ...
MSRP $232.25
$152.49
MSRP $232.25
$152.49
5
Front Bracket Insulator GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab power retractable.
$13.85
$13.85
8
Running Board Reinforcement Bracket GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
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
$37.85
$37.85
9
Step Bar GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, power retractable.
$660.62
$660.62
9
Step Bar GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: GM Genuine Parts Motor (Part Number: 85659274) is an assist-step motor assembly used in power-assist mechanisms. Application: Crew cab power retractable configurations—used to drive assist-step operation.Function: Provides actuation for retracting or ext ...
$660.62
$660.62
11
Driver Side Assist Step Switch GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: GM Genuine Parts Driver Side Assist Step Switch (Part Number: 84266749) is a switch assembly for power-retractable assist steps on crew-cab trucks. It enables control of step deployment and retraction for convenience and safety. Function: Switch assembly f ...
MSRP $131.41
$86.67
MSRP $131.41
$86.67
11
Passenger Side Assist Step Switch GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: GM Genuine Parts Passenger Side Assist Step Switch (Part Number: 84266750) is a switch assembly used to operate a power-retractable assist step. It provides control for deploying or retracting the assist step on crew-cab trucks. Function: Switch to operate ...
MSRP $131.41
$86.67
MSRP $131.41
$86.67
12
Wire GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: GM Genuine Parts Wire (Part Number: 84266751) is an assembly wire intended for retractable step or hinge-related electrical functions in crew-cab vehicle configurations. Type: Harness / Wire AssemblyFunction: Provides electrical routing for retractable ste ...
MSRP $157.92
$104.16
MSRP $157.92
$104.16
12
Wire GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: GM Genuine Parts Wire (Part Number: 84266752) is an assembly wire for accessory or seating electrical systems, intended for crew cab power retractable features. Supplied to OEM standards for routing and connectivity. Function: Electrical wiring assembly fo ...
MSRP $157.92
$104.16
MSRP $157.92
$104.16
13
Module GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: GM Genuine Parts Module (Part Number: 84835967) is an OEM electronic module used to control a power-retractable step or related accessory in specific vehicle configurations. Function: Controls retraction and extension sequences for power retractable step s ...
MSRP $588.04
$384.69
MSRP $588.04
$384.69
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
$76.17
MSRP $115.49
$76.17