Frame for 2021 GMC Sierra 1500
1. Assist Steps, Work Steps, Black 
2. Frame Assembly 
3. Lock Pillar Trim 
4. Inner Windshield Pillar 
5. Uniside Assembly 
6. Body A-Pillar Trim Panel 
7. Body B-Pillar 
8. Mount Cushion 
9. Inner Center Pillar 
10. Cowl Grille 
11. Body A-Pillar Reinforcement 
12. Inner Lock Pillar 
13. Inner Rocker 
14. Inner Lock Pillar 
15. Trailer Hitch 
16. Left 
17. Right 
18. Splash Shield Bolt 
19. Uniside Assembly 
20. Body A-Pillar Trim Panel 
21. Windshield Pillar Trim 
22. Body A-Pillar Trim Panel 
23. Windshield Pillar Trim 
24. Body A-Pillar 
25. Inner Center Pillar 
26. Molded Assist Steps, Black 
27. Outer Rail 
28. Step Bar Assembly 
29. Cowl Water Deflector No.
Part # / Description / Price
Price
1
$2,865.75
2
$1,309.79
2
$1,309.79
4
Front Bumper Impact Bar Bracket 
GM
GM Positions: Left
Notes: PARTS: Part included with front section and frame assembly.
Description: Helps align and secure your vehicle's bumper impact bar
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $60.09
$41.27
MSRP $60.09
$41.27
4
Center Support GM
GM Positions: Front center left
Description: Zr2 bison. Lt, rst, lt tb, ltz, hc, bumper & mounting. Base, pro, sle, elevtn, upper components. At4, slt, denali, upper components. Pro, elevation, sle, upper components. Wt, custom, custom tb, bumper & mounting. Zr2, bumper & mounting. At4x. 2019-22 2022 limited bumper & mounting. Center support.
MSRP $41.96
$28.82
MSRP $41.96
$28.82
4
Front Driver Side Bumper Impact Bar Bracket GM
GM Positions: Front left outer
Description: At4, slt, denali upper components. Base, sle, elevation upper components. Helps align and secure your vehicle's bumper impact bar
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $112.22
$75.04
MSRP $112.22
$75.04
5
Drivetrain and Front Suspension Frame Front Crossmember GM
GM Notes: PARTS: Part included with frame assembly.
Description: 6.6, 8 ft box. Helps strengthen and support your vehicle's frame
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $345.93
$228.19
MSRP $345.93
$228.19
6
Driver Side Frame Reinforcement GM
GM Positions: Left
Notes: PARTS: Part included with frame assembly.
Description: Helps support components to your vehicle's chassis frame
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $92.55
$61.88
MSRP $92.55
$61.88
7
Front Crossmember Bracket GM
GM Notes: PARTS: Part included with frame assembly.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $105.24
$70.37
MSRP $105.24
$70.37
8
Transmission Support Crossmember GM
GM Description: 5.3L, l84. 4wd, 5.3L, with 8-spd trans. 6.2L. Helps align and secure your vehicle's transmission
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 $285.54
$188.35
MSRP $285.54
$188.35
8
Transmission Support Crossmember GM
GM Description: 2wd, 5.3L, with 8-spd trans. Helps align and secure your vehicle's transmission
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 $238.09
$157.06
MSRP $238.09
$157.06
8
Transmission Support Crossmember GM
GM Description: 2wd, 5.3L, with 6-spd trans. Helps align and secure your vehicle's transmission
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 $235.04
$155.04
MSRP $235.04
$155.04
8
Transmission Support Crossmember GM
GM Description: 5.3L, l82. 4wd, 5.3L, with 6-spd trans. Helps align and secure your vehicle's transmission
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 $257.58
$169.91
MSRP $257.58
$169.91
10
Spare Wheel Hoist Crossmember GM
GM Notes: PARTS: Part included with rear section and frame assembly.
Description: Helps strengthen and support your vehicle's frame
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $210.60
$138.92
MSRP $210.60
$138.92
11
Spare Wheel Carrier GM
GM Notes: PARTS: Part included with rear section and frame assembly.
Description: Helps secure and align your vehicle's spare wheel until needed
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $66.82
$45.89
MSRP $66.82
$45.89
12
Passenger Side Rear Leaf Spring Rear Hanger GM
GM Positions: Right
Notes: PARTS: Part included with rear section and frame assembly.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $185.30
$102.84
MSRP $185.30
$102.84
12
Rear Driver Side Leaf Spring Rear Hanger GM
GM Positions: Left
Notes: PARTS: Part included with rear section and frame assembly.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $185.30
$102.84
MSRP $185.30
$102.84
13
Rear Mount Bracket GM
GM Positions: Right
Notes: PARTS: Part included with rear section and frame assembly.
MSRP $42.73
$29.34
MSRP $42.73
$29.34
13
Driver Side Body Rear Mount Bracket GM
GM Positions: Left
Notes: PARTS: Part included with rear section and frame assembly.
Description: Helps align and secure your body mount
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 $42.03
$28.86
MSRP $42.03
$28.86
14
Leaf Spring Bumper GM
GM Positions: Left
Notes: PARTS: Part included with rear section and frame assembly.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $142.41
$79.04
MSRP $142.41
$79.04
15
Tow Hook GM
GM Positions: Left
Description: Black. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $86.75
$58.01
MSRP $86.75
$58.01
15
Front Tow Hook GM
GM Positions: Left
Description: Chrome. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $152.24
$101.80
MSRP $152.24
$101.80
15
Front Tow Hook GM
GM Positions: Left
Description: Red. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $106.46
$71.18
MSRP $106.46
$71.18
16
Front Driver Side Bumper Fascia Tow Eye Access Hole Cover GM
GM Positions: Left
Description: Helps enhance your vehicle's appearance
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $21.50
$15.54
MSRP $21.50
$15.54