Frame for 2025 GMC Sierra 3500 HD
1. Step Bar Assembly 
2. Outer Rail 
3. Frame Assembly 
4. Inner Windshield Pillar 
5. Inner Center Pillar 
6. Windshield Pillar Trim 
7. Cowl Grille 
8. Mount Cushion 
9. Uniside Assembly 
10. Body B-Pillar 
11. Inner Center Pillar 
12. Body B-Pillar 
13. Rear 
14. Inner Lock Pillar 
15. Step Bar Assembly 
16. Floor Extension 
17. Body A-Pillar Trim Panel 
18. Windshield Pillar Trim 
19. Body A-Pillar Trim Panel 
20. Windshield Pillar Trim 
21. Body A-Pillar Trim Panel 
22. Inner Center Pillar 
23. Front 
24. Fender 
25. 6-Inch Rectangular Assist Steps, Chrome 
26. Right 
27. Right 
28. Inner Rocker Assembly 
29. Floor Extension 
30. Extension Panel 
31. Floor Extension 
32. Sill Panel 33. Body C-Pillar Trim Panel No.
Part # / Description / Price
Price
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.
$3,632.53
$3,632.53
1
$2,438.72
1
$2,914.92
1
Frame Assembly GM
GM Description: Crew cab, 4wd, 6.9 ft box, without z71, zr2, with max trailer pkg. Crew cab, 4wd, 6.9 ft box, with at4x.
$3,632.53
$3,632.53
1
$2,353.90
3
Front Cross-Member GM
GM Notes: PARTS: Part included with frame assembly and front section.
Description: 4wd, 2500. 3/4 ton 4wd. 2wd 3/4 ton. 2wd, 2500.
$98.58
$98.58
4
Driver Side Radiator Lower Bracket GM
GM Positions: Left
Notes: PARTS: Part included with frame assembly and front section.
Description: Helps align and secure your vehicle's radiator mount
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
Collision parts are designed to help promote proper and safe repair
MSRP $228.25
$154.00
MSRP $228.25
$154.00
4
Passenger Side Radiator Lower Bracket GM
GM Positions: Right
Notes: PARTS: Part included with frame assembly and front section.
Description: Helps align and secure your vehicle's radiator mount
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
Collision parts are designed to help promote proper and safe repair
MSRP $228.25
$154.00
MSRP $228.25
$154.00
4
Passenger Side Radiator Upper Bracket GM
GM Positions: Right
Description: 6.6L gas. 6.6L diesel, engine cooling. Helps align and secure your vehicle's radiator mount
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
Collision parts are designed to help promote proper and safe repair
MSRP $20.58
$13.89
MSRP $20.58
$13.89
5
Bumper Impact Bar Bracket GM
GM Positions: Left
Notes: PARTS: Part included with frame assembly and front section.
$74.93
$74.93
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
MSRP $242.51
$163.62
MSRP $242.51
$163.62
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
$50.55
MSRP $74.92
$50.55
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
$81.00
MSRP $120.05
$81.00
10
Support Outer Support GM
GM Positions: Left
Notes: PARTS: Part included with frame assembly.
Description: Torsion bar. 2wd. Rwd. 4wd, without at4x.
MSRP $79.56
$50.80
MSRP $79.56
$50.80
10
Torsion Bar Support GM
GM Positions: Front
Description: 4wd. 2wd. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $224.76
$125.87
MSRP $224.76
$125.87
11
Torsion Bar Support Insulator GM
GM Positions: Left
Notes: PARTS: Part included with torsion bar support.
Description: 4wd. 2wd. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $33.85
$18.95
MSRP $33.85
$18.95
12
Rear Driver Side Spring Rear Hanger GM
GM Positions: Left
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 $185.89
$104.09
MSRP $185.89
$104.09
12
Rear Passenger Side Spring Rear Hanger GM
GM Positions: Right
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 $183.55
$102.78
MSRP $183.55
$102.78
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
$12.18
MSRP $17.73
$12.18
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
$12.18
MSRP $17.73
$12.18
14
Front 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 $107.15
$72.30
MSRP $107.15
$72.30
14
MSRP $192.99
$116.08
15
M12x1.75x110 Multi Purpose Bolt GM
GM Positions: Left
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.72
$5.02
MSRP $7.72
$5.02
