Frame for 2021 GMC Sierra 3500 HD
1. Work Step Assist Steps - Black - Crew Cab 
2. Frame Assembly 
3. Outer Rail 
4. Windshield Pillar Trim 
5. Mount Cushion 
6. Inner Center Pillar 
7. Body B-Pillar Bracket 
8. Body A-Pillar Bracket 
9. Cowl Grille 
10. Uniside Assembly 
11. Body A-Pillar 
12. Inner Lock Pillar 
13. Uniside Assembly 
14. Body A-Pillar Trim Panel 
15. Inner Windshield Pillar 
16. Rear 
17. Windshield Pillar Trim 
18. Windshield Pillar Trim 
19. Inner Lock Pillar 
20. Cowl Side Panel 
21. Windshield Pillar Trim 
22. Windshield Pillar Trim 
23. Windshield Pillar Trim 
24. Frame Assembly 
25. Body A-Pillar Trim Panel 
26. Body A-Pillar Trim Panel 
27. Inner Center Pillar 
28. Left 
29. Front 
30. Right 
31. Step Bar Assembly 
32. Fender 
33. Right 
34. Right 
35. Right 
36. Uniside Assembly 
37. Right 
38. Floor Extension 
39. Extension Panel 
40. Cowl Side Panel 
41. Sill Panel 42. Body C-Pillar Trim Panel No.
Part # / Description / Price
Price
1
Work Step Assist Steps - Black - Crew Cab 
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 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 $718.89 CAD
$275.00 CAD
MSRP $718.89 CAD
$275.00 CAD
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 $1,123.22 CAD
$864.89 CAD
MSRP $1,123.22 CAD
$864.89 CAD
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 $1,123.22 CAD
$699.00 CAD
MSRP $1,123.22 CAD
$699.00 CAD
1
4-Inch Round Assist Steps, Black GM
GM Notes: Double Cab
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. Make it easier to get into and out of your vehic ...
MSRP $1,123.22 CAD
$864.89 CAD
MSRP $1,123.22 CAD
$864.89 CAD
1
4-Inch Round Assist Steps, Chrome GM
GM Notes: Double Cab
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 $1,123.22 CAD
$864.89 CAD
MSRP $1,123.22 CAD
$864.89 CAD
1
6-Inch Rectangular Assist Steps, Chrome GM
GM Notes: Double Cab
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 $1,123.22 CAD
$864.89 CAD
MSRP $1,123.22 CAD
$864.89 CAD
1
6-Inch Rectangular Assist Steps, Chrome GM
GM Notes: Regular Cab
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 $968.30 CAD
$745.59 CAD
MSRP $968.30 CAD
$745.59 CAD
1
6-Inch Rectangular Assist Steps, Chrome GM
GM 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 $1,123.22 CAD
$864.89 CAD
MSRP $1,123.22 CAD
$864.89 CAD
1
Step Bar Assembly GM
GM 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 $1,168.15 CAD
$899.48 CAD
MSRP $1,168.15 CAD
$899.48 CAD
1
MSRP $959.07 CAD
$738.49 CAD
1
MSRP $959.07 CAD
$738.49 CAD
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 $1,123.22 CAD
$864.89 CAD
MSRP $1,123.22 CAD
$864.89 CAD
1
6-Inch Rectangular Assist Steps, Black 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 $968.30 CAD
$745.59 CAD
MSRP $968.30 CAD
$745.59 CAD
1
Work Step Assist Steps - Black - Regular Cab 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 $618.85 CAD
$476.51 CAD
MSRP $618.85 CAD
$476.51 CAD
1
Work Step Assist Steps - Black - Double Cab 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 $671.01 CAD
$516.67 CAD
MSRP $671.01 CAD
$516.67 CAD
1
Sport Assist Steps, Black With Sierra Script 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 $1,583.60 CAD
$1,219.38 CAD
MSRP $1,583.60 CAD
$1,219.38 CAD
1
Step Bar GM
GM Positions: Left
Description: Crew cab, power retractable, chrome.
MSRP $1,575.40 CAD
$1,018.79 CAD
MSRP $1,575.40 CAD
$1,018.79 CAD
1
Step Bar GM
GM Positions: Right
Description: Crew cab, power retractable, chrome.
MSRP $1,659.95 CAD
$1,073.46 CAD
MSRP $1,659.95 CAD
$1,073.46 CAD
1
Step Bar GM
GM Positions: Left
Description: Crew cab, power retractable, black.
MSRP $1,371.08 CAD
$886.66 CAD
MSRP $1,371.08 CAD
$886.66 CAD
1
Step Bar GM
GM Positions: Right
Description: Crew cab, power retractable, black.
MSRP $1,659.40 CAD
$1,073.09 CAD
MSRP $1,659.40 CAD
$1,073.09 CAD
1
Step GM
GM Positions: Right
Description: Crew cab power retractable. chrome.
MSRP $4,735.66 CAD
$1,914.00 CAD
MSRP $4,735.66 CAD
$1,914.00 CAD
1
F Step GM
GM Positions: Right
Description: Crew cab power retractable. black.
MSRP $3,199.82 CAD
$2,069.65 CAD
MSRP $3,199.82 CAD
$2,069.65 CAD
1
Step Bar Assembly GM
GM Positions: Left
Description: Crew cab power retractable. chrome.
MSRP $2,594.82 CAD
$1,678.02 CAD
MSRP $2,594.82 CAD
$1,678.02 CAD
1
Step GM
GM Positions: Left
Description: Crew cab power retractable. black.
MSRP $2,884.00 CAD
$1,865.37 CAD
MSRP $2,884.00 CAD
$1,865.37 CAD
2
Step Bar Assembly Front Cap GM
GM Positions: Left
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, work step. Double cab, black assist. Double cab, work step. Regular cab, work step. Regular cab, black assist. Crew cab black assist.
MSRP $69.21 CAD
$45.97 CAD
MSRP $69.21 CAD
$45.97 CAD
2
Step Bar Assembly Front Cap GM
GM Positions: Right
Notes: PARTS: Part included with step bar assembly.
Description: Crew cab, work step. Double cab, black assist. Double cab, work step. Regular cab, work step. Crew cab black assist.
MSRP $66.38 CAD
$44.08 CAD
MSRP $66.38 CAD
$44.08 CAD
