Frame for 2020 GMC Sierra 2500 HD
1. Step Bar Assembly 
2. Frame Assembly 
3. Inner Center Pillar 
4. Windshield Pillar Trim 
5. Mount Cushion 
6. Body A-Pillar 
7. Uniside Assembly 
8. Outer Rail 
9. Mount Cushion 
10. Inner Windshield Pillar 
11. Cowl Side Panel Seal 
12. Inner Lock Pillar 
13. Body B-Pillar 
14. Inner Windshield Pillar Bracket 
15. Rear 
16. Inner Lock Pillar 
17. Front 
18. Uniside Assembly 
19. Cowl Grille 
20. Floor Sill 
21. Floor Extension 
22. Running Board 
23. Body A-Pillar Trim Panel 
24. Running Board 
25. Running Board 
26. Running Board 
27. Body A-Pillar Trim Panel 
28. Body A-Pillar Trim Panel 
29. Running Board 
30. Running Board 
31. Running Board 
32. Left 
33. Body A-Pillar Trim Panel 
34. Running Board 
35. Inner Center Pillar 
36. Step Bar Assembly 
37. Right 
38. Front 
39. Fender 
40. Right 
41. Right 
42. Body B-Pillar Extension 
43. Body B-Pillar Extension 
44. Inner Rocker Assembly 
45. Cowl Cover 
46. Floor Extension 
47. Extension Panel 
48. Floor Extension 
49. Sill Panel 50. Body C-Pillar Trim Panel No.
Part # / Description / Price
Price
1
6-Inch Rectangular Assist Steps, Chrome 
GM
GM Notes: PARTS: Part is for a dealer installed accessory kit that includes both sides.
Description: Make it easier to get into and out of your vehicle with these sturdy Chevrolet Accessories Assist Steps. These Crew Cab 6-Inch Rectangular Assist Steps, also known as truck side steps, feature a traction pad with molded plastic grooves to help provide more ...
MSRP $850.00
$739.50
MSRP $850.00
$739.50
1
Step Bar Assembly GM
GM Notes: PARTS: Part is for a dealer installed accessory kit that includes both sides.
Description: Crew cab, oval type, black. Step up convenience and style with these highly durable and capable Chevy Accessories Truck Assist Steps, also known as running boards or side steps. Designed and engineered specifically to fit your vehicle, these sturdy steps f ...
MSRP $850.00
$739.50
MSRP $850.00
$739.50
1
Running Board Step Replaced by 85715888 GM
GM Description: Make it easier to get into and out of your vehicle with these sturdy Chevrolet Accessories Assist Steps. They include mounting hardware and a traction pad with molded plastic grooves for more stable footing. Double cab, round type, black. These Double Cab ...
1
4-Inch Round Assist Steps, Chrome GM
GM Description: Step up convenience and style with these highly durable and capable Chevy Accessories Truck Assist Steps, also known as running boards or side steps. Designed and engineered specifically to fit your vehicle, these sturdy steps feature a textured surface to ...
MSRP $695.00
$604.65
MSRP $695.00
$604.65
1
6-Inch Rectangular Assist Steps, Black GM
GM Description: Step up convenience and style with these highly durable and capable Chevy Accessories Truck Assist Steps, also known as running boards or side steps. Designed and engineered specifically to fit your vehicle, these sturdy steps feature a textured surface to ...
MSRP $850.00
$739.50
MSRP $850.00
$739.50
1
Running Board Step GM
GM Description: Make it easier to get into and out of your vehicle with these sturdy Chevrolet Accessories Assist Steps. They include mounting hardware and a traction pad with molded plastic grooves for more stable footing. These Regular Cab 6-Inch Rectangular Assist Step ...
MSRP $695.00
$604.65
MSRP $695.00
$604.65
1
Running Board Step Replaced by 86574773 GM
GM Description: Make it easier to get into and out of your vehicle with these sturdy Chevrolet Accessories Assist Steps. They include mounting hardware and a traction pad with molded plastic grooves for more stable footing. These Regular Cab 6-Inch Rectangular Assist Step ...
1
Running Board Step GM
GM Description: Make it easier to get into and out of your vehicle with these sturdy Chevrolet Accessories Assist Steps. Includes all mounting hardware. Parked over a hole or a puddle? No problem with these Assist Steps. They make getting in and out of your vehicle much e ...
MSRP $455.00
$395.85
MSRP $455.00
$395.85
1
Running Board Step GM
GM Description: Make it easier to get into and out of your vehicle with these sturdy Chevrolet Accessories Assist Steps. They include mounting hardware and a traction pad with molded plastic grooves for more stable footing. Parked over a hole or a puddle? No problem with ...
MSRP $495.00
$430.65
MSRP $495.00
$430.65
1
Running Board Step GM
GM Description: Make it easier to get into and out of your vehicle with these sturdy Chevrolet Accessories Assist Steps. These Crew Cab Work Step Assist Steps, also known as truck side steps, feature a traction pad with molded plastic grooves to help provide more stable f ...
MSRP $525.00
$456.75
MSRP $525.00
$456.75
1
Sport Step Assist Steps GM
GM Description: Make it easier to get into and out of your vehicle with these sturdy GMC Accessories Assist Steps. They include mounting hardware and a traction pad with molded plastic grooves for more stable footing. These Double Cab Sport Step Assist Steps, also known a ...
MSRP $1,095.00
$952.65
MSRP $1,095.00
$952.65
1
Running Board Step GM
GM Description: Make it easier to get into and out of your vehicle with these sturdy GMC Accessories Assist Steps. These Crew Cab Sport Step Assist Steps, also known as truck side steps, feature a traction pad with molded plastic grooves to help provide more stable footing. Includes all mounting hardware. Parked over a hole or a puddle? No problem with these Assist Steps. They make getting in and out of your vehicle much easier, plus they add a customized look. You get function and style with this accessory.
MSRP $1,095.00
$952.65
MSRP $1,095.00
$952.65
1
Step Bar Assembly GM
GM Description: Crew cab, round type, chrome. Step up convenience and style with these highly durable and capable Chevy Accessories Truck Assist Steps, also known as running boards or side steps. Designed and engineered specifically to fit your vehicle, these sturdy steps ...
MSRP $850.00
$739.50
MSRP $850.00
$739.50
1
Step Bar Assembly GM
GM Description: Crew cab, round type, black. Step up convenience and style with these highly durable and capable Chevy Accessories Truck Assist Steps, also known as running boards or side steps. Designed and engineered specifically to fit your vehicle, these sturdy steps ...
MSRP $850.00
$739.50
MSRP $850.00
$739.50
3
Assist Step Front Finish Cap GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
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 Front Finish Cap (RH FT, LH RR) GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Regular cab, oval type. Crew cab oval type. Double cab oval type. Installed in your vehicle's assist step for a finished appearance
For proper installation, locate your nearest GM dealer, independent service center, or body shop
Precise fit for ease of installation
3
Assist Step Finish Cap GM
GM Positions: Rear right
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
3
Assist Step Finish Cap GM
GM Positions: Rear left
Description: Crew cab, work step. Double cab, work step. Regular cab, black assist. 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 $50.55
$36.54
MSRP $50.55
$36.54
4
Assist Step Pad (THIS IS A SINGLE STEP PAD. NOT A PACKAGE OF TWO) GM
GM Description: Crew cab oval type. Double cab oval type. Provides foot traction on your vehicle's running boards
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 $92.40
$66.79
MSRP $92.40
$66.79