Frame for 2026 GMC Sierra 2500 HD
1. 6-Inch Rectangular Assist Steps, Chrome 
2. Mount Cushion 
3. Body B-Pillar 
4. Outer Rail 
5. Body B-Pillar 
6. Inner Windshield Pillar 
7. Frame Assembly 
8. Mount Cushion 
9. Body A-Pillar 
10. Uniside Assembly 
11. Uniside Assembly 
12. Front 
13. Inner Center Pillar 
14. Inner Lock Pillar 
15. Body B-Pillar 
16. Body A-Pillar Bracket 
17. Cowl Extension 
18. Body B-Pillar 
19. Windshield Pillar Trim 
20. Rear 
21. Floor Extension 
22. Floor Sill 
23. Running Board 
24. Running Board 
25. Running Board 
26. Body A-Pillar Trim Panel 
27. Running Board 
28. Running Board 
29. Body A-Pillar Trim Panel 
30. Body A-Pillar Trim Panel 
31. Running Board 
32. Running Board 
33. Left 
34. Left 
35. Body A-Pillar Trim Panel 
36. 4-Inch Round Assist Steps - Chrome - Crew Cab 
37. Left 
38. Inner Center Pillar 
39. Front 
40. Fender 
41. Right 
42. Right 
43. Inner Rocker Assembly 
44. Extension Panel 
45. Floor Extension 
46. Floor Extension 
47. Sill Panel 
48. Cowl Grille 49. Body C-Pillar Trim Panel No.
Part # / Description / Price
Price
1
6-Inch Rectangular Assist Steps, Chrome 
GM
GM Notes: Crew Cab
Description: # Product Description
Upgrade your vehicle's accessibility and curb appeal with the Genuine GM OEM 6-Inch Rectangular Assist Steps (MPN: 86574743), professionally engineered chrome side steps for Chevrolet Crew Cab trucks. These authentic General Motors t ...
MSRP $850.00
$694.88
MSRP $850.00
$694.88
1
6-Inch Rectangular Assist Steps, Black GM
GM Notes: Crew Cab
Description: The Genuine GM OEM 6-Inch Rectangular Assist Steps (MPN: 86574744) are authentic truck running boards engineered for select GM vehicles seeking enhanced entry and exit convenience. These black side steps combine factory-tested durability with a textured, s ...
MSRP $850.00
$694.88
MSRP $850.00
$694.88
1
Running Board Step GM
GM Notes: Regular Cab
Description: **Product Description:**
The Genuine GM OEM Running Board Step (MPN: 84208267) is a heavy-duty truck side step designed to provide safe, convenient entry and exit from your vehicle. This authentic General Motors assist step features a durable round design ...
MSRP $695.00
$568.16
MSRP $695.00
$568.16
1
Running Board Step GM
GM Notes: Regular Cab
Description: The Genuine GM OEM Running Board Step (MPN: 84208268) is a chrome-finished assist step designed for Regular Cab trucks, providing safe and convenient entry and exit from your vehicle. This authentic General Motors truck side step features a traction pad wi ...
MSRP $695.00
$568.16
MSRP $695.00
$568.16
1
Running Board Step GM
GM Description: **Genuine GM OEM Running Board Step (MPN: 84212741) – Chrome Assist Steps for Regular Cab Trucks**
The Genuine GM OEM Running Board Step (MPN: 84212741) is a chrome-plated assist step designed to provide safe, convenient access to your truck cab while a ...
MSRP $695.00
$568.16
MSRP $695.00
$568.16
1
Running Board Step GM
GM Description: # Product Description
The GM OEM Running Board Step (MPN: 84212742) is a genuine General Motors assist step designed to provide safe, convenient access to regular cab trucks. This authentic truck side step features a durable traction pad with molded plast ...
MSRP $750.00
$613.13
MSRP $750.00
$613.13
1
Running Board Step GM
GM Description: # Product Description
Upgrade your vehicle's accessibility and style with the Genuine GM OEM Running Board Step (MPN: 84388997), a Chevrolet assist step designed to make entering and exiting your truck safer and easier. This authentic General Motors work ...
MSRP $455.00
$371.96
MSRP $455.00
$371.96
1
Running Board Step GM
GM Description: Genuine GM OEM Running Board Step (MPN: 84208264) designed for double cab trucks, these 4-inch round assist steps provide safe, stable entry and exit with molded traction pads and grooved surfaces. This Chevrolet side step accessory includes complete mount ...
MSRP $850.00
$694.88
MSRP $850.00
$694.88
1
4-Inch Round Assist Steps, Chrome GM
GM Description: **Product Description:**
The Genuine GM OEM 4-Inch Round Assist Steps (MPN: 85715887) are premium chrome running boards engineered to enhance vehicle access and safety on select GM vehicles. These durable truck side steps feature a textured, non-slip surf ...
MSRP $695.00
$568.16
MSRP $695.00
$568.16
1
Running Board Step GM
GM Description: # Product Description
Upgrade your vehicle's accessibility and appearance with the Genuine GM OEM Running Board Step (MPN: 84212738). These truck assist steps are engineered specifically for select GM vehicles, including Chevrolet and GMC trucks, providin ...
MSRP $850.00
$694.88
MSRP $850.00
$694.88
1
6-Inch Rectangular Assist Steps, Black GM
GM Description: Upgrade your truck's accessibility and curb appeal with the Genuine GM OEM 6-Inch Rectangular Assist Steps (MPN: 86574757) in sleek black. These heavy-duty truck side steps feature a textured, non-slip traction surface with molded grooves to safely support ...
MSRP $850.00
$694.88
MSRP $850.00
$694.88
1
Running Board Step GM
GM Description: # Product Description
Upgrade your truck's accessibility and style with the Genuine GM OEM Running Board Step (MPN: 84388998), engineered specifically for Chevrolet double cab trucks. This heavy-duty assist step features a non-slip traction pad with molde ...
MSRP $495.00
$404.66
MSRP $495.00
$404.66
1
Running Board Step GM
GM Description: The Genuine GM OEM Running Board Step (MPN: 84388999) is an essential truck accessory designed to provide safe, convenient access to your vehicle's cabin. This authentic General Motors side step features a textured traction pad with molded grooves that del ...
MSRP $525.00
$429.19
MSRP $525.00
$429.19
1
Sport Step Assist Steps With Sierra Script GM
GM Description: # Sport Step Assist Steps With Sierra Script - GMC OEM Part
The Genuine GM OEM Sport Step Assist Steps With Sierra Script (MPN: 84742432) are premium truck side steps engineered to provide safe, convenient access to your GMC vehicle while delivering disti ...
MSRP $1,095.00
$895.16
MSRP $1,095.00
$895.16
1
Running Board Step GM
GM Description: Upgrade your truck's accessibility and style with the Genuine GM OEM Running Board Step (MPN: 84742428), a premium assist step designed to make entering and exiting your vehicle safer and more convenient. These durable crew cab side steps feature a texture ...
MSRP $1,095.00
$895.16
MSRP $1,095.00
$895.16
1
F Step GM
GM Positions: Left
Description: # GM OEM F Step - MPN 85754155
Upgrade your crew cab truck with the Genuine GM OEM F Step (MPN: 85754155), a power retractable running board designed to enhance entry and exit convenience for select GM vehicles. This chrome-finished step automatically dep ...
$1,021.08
$1,021.08
1
Step GM
GM Positions: Right
Description: The Genuine GM OEM Step (MPN: 86280030) is a power retractable crew cab running board designed for seamless entry and exit on select GM vehicles. This chrome-finished step automatically extends and retracts with the vehicle door, combining functionality wi ...
$1,112.97
$1,112.97
1
Step GM
GM Positions: Left
Description: The GM OEM Power Retractable Step (MPN: 86280031) is a genuine crew cab running board designed to provide safe, convenient entry and exit for full-size GM pickup trucks. This motorized side step automatically extends when you open the door and retracts whe ...
$1,109.43
$1,109.43
1
Step GM
GM Positions: Right
Description: The GM OEM step (MPN: 86280032) is a genuine power retractable running board designed for crew cab trucks, providing convenient access to your vehicle's cabin while enhancing its appearance. This factory-original part delivers reliable functionality and du ...
$1,109.43
$1,109.43
1
Driver Side Assist Step GM
GM Positions: Left
Description: The Driver Side Assist Step (MPN: 84973591) is a genuine GM OEM part engineered to provide safe and convenient vehicle access for drivers and passengers. This authentic General Motors component improves entry and exit capability on select GM vehicles and m ...
MSRP $1,247.34
$819.04
MSRP $1,247.34
$819.04
1
Step Bar GM
GM Positions: Right
Description: Genuine GM OEM Step Bar MPN 84973592 is a power retractable chrome stepping solution designed for crew cab trucks, providing safe and convenient entry and exit for passengers. This authentic General Motors part delivers durable performance and factory-orig ...
MSRP $1,247.34
$819.04
MSRP $1,247.34
$819.04
1
Driver Side Assist Step GM
GM Positions: Left
Description: The GM OEM Driver Side Assist Step (MPN: 84973593) is a genuine factory replacement part engineered to provide safe and reliable vehicle entry and exit. This authentic General Motors component delivers durable performance on select GM vehicles and is ideal ...
MSRP $369.10
$243.47
MSRP $369.10
$243.47
1
Step Bar GM
GM Positions: Right
Description: Upgrade your crew cab with the Genuine GM OEM Step Bar (MPN: 84973594), a power retractable running board designed to enhance accessibility and style for select GM vehicles. This authentic General Motors part combines practical functionality with sleek bla ...
MSRP $369.10
$243.47
MSRP $369.10
$243.47
1
4-Inch Round Assist Steps - Chrome - Crew Cab GM
GM Description: The Genuine GM OEM 4-Inch Round Assist Steps (MPN: 85715890) are factory-engineered chrome running boards designed to enhance accessibility and safety for Crew Cab trucks. These authentic General Motors side steps deliver reliable performance and professio ...
MSRP $850.00
$694.88
MSRP $850.00
$694.88
1
4-Inch Round Assist Steps - Black - Crew Cab GM
GM Description: **Paragraph:**
The GM OEM 4-Inch Round Assist Steps (MPN: 85715891) are authentic General Motors running boards engineered to enhance truck accessibility and safety on crew cab models. These genuine GM side steps feature a textured, non-slip surface design ...
MSRP $850.00
$694.88
MSRP $850.00
$694.88
2
Assist Step Front Finish Cap GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: The Genuine GM OEM Assist Step Front Finish Cap (MPN: 84173417) is a factory-original trim piece designed to complete your vehicle's assist step with a polished, finished appearance. This authentic General Motors component fits regular cab, crew cab, and d ...
MSRP $62.91
$43.17
MSRP $62.91
$43.17
3
Assist Step Front Finish Cap GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: The GM Assist Step Front Finish Cap (MPN: 84173416) is an authentic OEM exterior trim component engineered to protect and finish the front assist step on select GM truck models. This genuine General Motors part is precision-manufactured to factory specific ...
MSRP $62.91
$43.17
MSRP $62.91
$43.17
3
Assist Step Finish Cap GM
GM Positions: Rear right
Description: The GM OEM Assist Step Finish Cap (MPN: 84212674) is a genuine factory part engineered to provide a polished, completed look to your vehicle's assist step on crew cab and double cab work trucks. This authentic General Motors replacement component delivers ...
MSRP $51.44
$35.30
MSRP $51.44
$35.30
3
Assist Step Finish Cap GM
GM Positions: Rear left
Description: The GM Assist Step Finish Cap (MPN: 84212675) is a genuine OEM trim component designed to provide a polished, finished appearance on your vehicle's work step or assist step. This authentic General Motors part fits crew cab, double cab, and regular cab mode ...
MSRP $50.55
$34.68
MSRP $50.55
$34.68
3
Driver Side Assist Step Front Finish Cap GM
GM Positions: Rear left
Description: The Driver Side Assist Step Front Finish Cap (MPN: 84561334) is a genuine GM OEM component engineered to complete your vehicle's running board with a professional, finished look. This authentic General Motors part ensures proper fitment and durability on s ...
MSRP $17.38
$12.48
MSRP $17.38
$12.48
3
Passenger Side Assist Step Front Finish Cap GM
GM Positions: Rear right
Description: The Passenger Side Assist Step Front Finish Cap (MPN: 84561335) is a genuine GM OEM component that delivers a polished, factory-finished look to your vehicle's assist step. This authentic General Motors part ensures proper aesthetic completion and structur ...
MSRP $17.38
$12.48
MSRP $17.38
$12.48
3
Driver Side Assist Step Front Finish Cap GM
GM Positions: Rear left
Description: The GM OEM Driver Side Assist Step Front Finish Cap (MPN: 84561336) is a genuine factory replacement part that installs on your vehicle's assist step to deliver a polished, complete appearance. This authentic General Motors component is engineered to exact ...
MSRP $17.66
$12.68
MSRP $17.66
$12.68
3
Passenger Side Assist Step Front Finish Cap GM
GM Positions: Rear right
Description: The Genuine GM OEM Passenger Side Assist Step Front Finish Cap (MPN: 84561337) is an authentic General Motors replacement part engineered to complete your vehicle's assist step with a polished, factory-finished appearance. This premium collision repair com ...
MSRP $17.66
$12.68
MSRP $17.66
$12.68
4
Assist Step Pad GM
GM Description: The GM Assist Step Pad (MPN: 84173414) is a genuine OEM running board accessory engineered to deliver superior foot traction and safety for crew cab and double cab pickup trucks. This authentic General Motors part is precision-manufactured to factory speci ...
MSRP $92.40
$61.67
MSRP $92.40
$61.67
5
Assist Step Bracket Cover GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: The GM Assist Step Bracket Cover (MPN: 84173413) is a genuine OEM component engineered to enhance both functionality and aesthetics on crew cab and double cab pickup trucks. This replacement bracket cover fits select GM vehicles and delivers the finished, ...
MSRP $69.40
$47.62
MSRP $69.40
$47.62