Frame for 2020 GMC Sierra 2500 HD
1. Inner Windshield Pillar 
2. Inner Center Pillar 
3. Frame Assembly 
4. Work Step Assist Steps - Black - Crew Cab 
5. Outer Rail 
6. Mount Cushion 
7. Mount Cushion 
8. Cowl Grille 
9. Uniside Assembly 
10. Windshield Pillar Trim 
11. Inner Lock Pillar 
12. Rear 
13. Front 
14. Step Bar Assembly 
15. Floor Extension 
16. Floor Sill 
17. Running Board 
18. Running Board 
19. Running Board 
20. Running Board 
21. Running Board 
22. Running Board 
23. Running Board 
24. Running Board 
25. Body A-Pillar Trim Panel 
26. Body A-Pillar Trim Panel 
27. Left 
28. Body A-Pillar Trim Panel 
29. Body A-Pillar Trim Panel 
30. Step Bar Assembly 
31. Inner Center Pillar 
32. Front 
33. Fender 
34. Right 
35. Right 
36. Body B-Pillar Extension 
37. Body B-Pillar Extension 
38. Floor Extension 
39. Extension Panel 
40. Floor Extension 
41. Sill Panel 42. Body C-Pillar Trim Panel No.
Part # / Description / Price
Price
1
$2,820.66
1
Frame Assembly 
GM
GM Description: Crew cab, 8 ft box, 4wd. Crew cab, 4wd, 8ft box, all. Crew cab, rwd, 8 ft box. Crew cab, 2wd, 8 ft box.
$3,515.22
$3,515.22
1
Frame Assembly GM
GM Description: Crew cab, 4wd, 6.9 ft box, without z71, zr2, without max trailer pkg.
$3,515.22
$3,515.22
2
Front Section GM
GM Description: GM Genuine Parts Front Section (Part Number: 85664316) is a front half-frame assembly component used in collision repair and structural replacement. It restores front structural mounting points and alignment. Type: FRAME ASM-FRT HALF (Front Frame Section)F ...
$1,789.59
$1,789.59
3
Front Cross-Member GM
GM Notes: PARTS: Part included with frame assembly and front section.
Description: GM Genuine Parts Front Cross-Member (Part Number: 87834852) is a structural front crossmember engineered to provide chassis support and mounting for suspension components. Function: Provides structural support and mounting points for front suspension and d ...
$96.37
$96.37
4
Driver Side Radiator Lower Bracket GM
GM Positions: Left
Notes: PARTS: Part included with frame assembly and front section.
Description: GM Genuine Parts Driver Side Radiator Lower Bracket (Part Number: 84551986) is a radiator lower bracket that helps align and secure the radiator mount. Part Category: Exterior Body/ChassisPrimary function: Aligns and secures the radiator lower mounting poi ...
MSRP $228.25
$149.87
MSRP $228.25
$149.87
4
Passenger Side Radiator Lower Bracket GM
GM Positions: Right
Notes: PARTS: Part included with frame assembly and front section.
Description: GM Genuine Parts Passenger Side Radiator Lower Bracket (Part Number: 84551987) is an OEM bracket designed to align and secure the radiator mounting to the vehicle structure. Function: Provides secure mounting support for the radiator and helps maintain cor ...
MSRP $228.25
$149.87
MSRP $228.25
$149.87
5
Bumper Impact Bar Bracket GM
GM Positions: Left
Notes: PARTS: Part included with frame assembly.
Description: GM Genuine Parts Bumper Impact Bar Bracket (Part Number: 85664314) is an OEM collision bracket that secures the bumper impact bar to the vehicle structure and helps restore proper crash-energy management. Function: Secures and locates the bumper impact bar ...
$73.25
$73.25
6
Drivetrain and Front Suspension Frame Front Crossmember GM
GM Notes: PARTS: Part included with frame assembly.
Description: Silverado, Sierra 3500 HD. Outer. 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
$262.96
$262.96
7
Transmission Support Crossmember GM
GM Description: 6 spd trans, 2wd. 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 $233.91
$153.58
MSRP $233.91
$153.58
7
Transmission Support Crossmember GM
GM Description: 4wd, 6.6L gas. 6 spd trans, 4wd. 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
$257.96
$257.96
8
Spare Wheel Hoist Crossmember GM
GM Notes: PARTS: Part included with frame assembly.
Description: Silverado, Sierra 2500 HD. Regular cab. Silverado, Sierra 3500 HD. Double cab. 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 $74.92
$62.35
MSRP $74.92
$62.35
9
Spare Wheel Carrier GM
GM Notes: PARTS: Part included with 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 $120.05
$79.18
MSRP $120.05
$79.18
10
Support Outer Support GM
GM Positions: Left
Notes: PARTS: Part included with frame assembly.
Description: Torsion bar. 2wd. Rwd. 4wd, without at4x.
$79.56
$79.56
11
Torsion Bar Support Insulator GM
GM Positions: Left
Notes: PARTS: Part included with torsion bar support.
Description: GM Genuine Parts Torsion Bar Support Insulator (Part Number: 20910359) is an undercarriage insulator designed to support torsion bar mounts and isolate road and driveline vibrations. Suitable for 4WD and 2WD applications where specified. Function: Supports ...
$46.92
$46.92
12
Rear Driver Side Spring Rear Hanger GM
GM Positions: Left
Notes: PARTS: Part included with frame assembly.
Description: GM Genuine Parts Rear Driver Side Spring Rear Hanger (Part Number: 84794782) is a rear spring hanger manufactured to OEM standards to secure rear suspension components and maintain correct spring positioning. Type: Rear spring hanger (driver side)Function: ...
MSRP $185.89
$101.76
MSRP $185.89
$101.76
12
Rear Passenger Side Spring Rear Hanger GM
GM Positions: Right
Notes: PARTS: Part included with frame assembly.
Description: GM Genuine Parts Rear Passenger Side Spring Rear Hanger (Part Number: 84794783) is a rear spring hanger used to secure suspension springs and maintain axle location. Engineered to GM OE standards for durability and alignment. Category: GM OE Shocks & S ...
MSRP $183.55
$100.48
MSRP $183.55
$100.48
13
Driver Side Body Rear Mount Bracket GM
GM Positions: Left
Notes: PARTS: Part included with frame assembly.
Description: Body mount. 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 $17.73
$13.87
MSRP $17.73
$13.87
13
Passenger Side Body Rear Mount Bracket GM
GM Positions: Right
Notes: PARTS: Part included with frame assembly.
Description: Body mount. 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 $17.73
$13.87
MSRP $17.73
$13.87
14
MSRP $192.99
$112.96
15
M12x1.75x110 Multi Purpose Bolt GM
GM Positions: Left
Description: GM Genuine Parts M12x1. 75x110 Multi Purpose Bolt (Part Number: 11609609) is an OEM heavy hex flange bolt intended for structural uses such as tow hook or mounting applications requiring high clamp load. Design: Heavy hex flange head for high clamp strengt ...
MSRP $7.72
$6.59
MSRP $7.72
$6.59
16
Tow Hook Nut GM
GM Positions: Left
Description: GM Genuine Parts Tow Hook Nut (Part Number: 11549169) is a genuine OEM fastener designed for front tow hook mounting and related chassis attachments. Type: Tow hook / chassis nut (collision repair-grade)Function: Secures front tow hook and related mounting ...
$8.24
$8.24
17
Front Driver Side Bumper Cover 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 $68.28
$48.07
MSRP $68.28
$48.07
17
Tow Bracket Cover GM
GM Positions: Right
Description: GM Genuine Parts Cover (Part Number: 84569861) is a front fascia tow-eye access cover designed to maintain the finished appearance of the bumper while providing access to the tow point. Type: Tow eye access coverFunction: Conceals tow-eye opening and resto ...
MSRP $68.28
$48.07
MSRP $68.28
$48.07