Frame for 2021 Cadillac XT4
No.
Part # / Description / Price
Price
1
MSRP $603.04
$421.40
1
MSRP $573.50
$400.76
3
Driver Side Rear Compartment Floor Panel Rail 
GM
GM Positions: Left
Description: Rails & components, rear compartment panel, rear. Helps strengthen and support your vehicle's underbody
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 $38.03
$28.41
MSRP $38.03
$28.41
3
Passenger Side Rear Compartment Floor Panel Rail GM
GM Positions: Right
Description: Rails & components, rear compartment panel, rear. Helps strengthen and support your vehicle's underbody
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
$54.65
$54.65
4
Rail Support Bracket GM
GM Positions: Right
Description: 2021-26, rails & components.
MSRP $45.14
$23.20
MSRP $45.14
$23.20
5
Driver Side Rear Compartment Panel Brace GM
GM Positions: Left
Description: Rails & components, lower. Helps strengthen and support trunk floor panels
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
$44.90
$44.90
5
$44.90
6
Driver Side Rear Compartment Panel Brace GM
GM Positions: Left
Description: Rails & components, upper. Helps strengthen and support trunk floor panels
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
$30.98
$30.98
6
$45.26
8
Driver Side Rear Compartment Panel Brace GM
GM Positions: Left
Description: Rails & components. Helps strengthen and support trunk floor panels
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 $53.30
$39.17
MSRP $53.30
$39.17
8
Inner Wheelhouse Brace GM
GM Positions: Right
Description: 2021-26, rails & components.
MSRP $24.98
$18.96
MSRP $24.98
$18.96
9
Passenger Side Number 6 Floor Panel Cross Bar Extension GM
GM Positions: Right
Description: Rails & components, upper. Lower. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $25.70
$19.20
MSRP $25.70
$19.20
9
Driver Side Floor Panel Number 6 Cross Bar Extension GM
GM Positions: Left
Description: Rails & components, upper. Lower. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $24.50
$18.60
MSRP $24.50
$18.60
10
Driver Side Floor Panel Number 6 Cross Bar Extension GM
GM Positions: Left
Description: Rails & components, lower. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $40.69
$30.39
MSRP $40.69
$30.39
10
MSRP $86.20
$63.35
11
Driver Side Underbody Rear Side Rail Rear Reinforcement GM
GM Positions: Left
Description: Rails & components. Helps secure and support your vehicle's underbody rail
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 $50.28
$36.95
MSRP $50.28
$36.95
11
Extension Reinforcement GM
GM Positions: Right
Description: 2021-26, rails & components.
MSRP $46.76
$34.93
MSRP $46.76
$34.93
11
Driver Side Underbody Rear Side Rail Rear Reinforcement GM
GM Positions: Rear left
Description: Rails & components. Helps secure and support your vehicle's underbody rail
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
$23.51
$23.51
11
Driver Side Underbody Rear Side Rail Extension GM
GM Positions: Rear left
Description: Rails & components. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $79.85
$51.09
MSRP $79.85
$51.09
12
Spring Seat GM
GM Positions: Right
Description: Sportback, 5-link suspension. Tourx. 2021-26, rails & components.
MSRP $42.91
$32.05
MSRP $42.91
$32.05
12
Spring Seat GM
GM Positions: Left
Description: Sportback, 5-link suspension. 2021-26, rails & components. Tourx.
MSRP $41.62
$31.09
MSRP $41.62
$31.09
14
Lower Rail Extension GM
GM Positions: Right
Description: 2021-26, rails & components, inner.
MSRP $53.14
$27.49
MSRP $53.14
$27.49
15
Driver Side Underbody Rear Side Rail Extension GM
GM Positions: Left
Description: Rails & components, outer. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$46.49
$46.49
15
$46.49
15
Outer Rail Bracket GM
GM Positions: Left outer
Description: 2021-23, lower rail. 2024-26, lower rail.
MSRP $26.61
$18.82
MSRP $26.61
$18.82
15
Passenger Side Brake Hose Bracket GM
GM Positions: Right outer
Description: Lower rail. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $47.13
$29.24
MSRP $47.13
$29.24
18
$80.13