Structural Components & Rails for 2019 Cadillac XT4
No.
Part # / Description / Price
Price
1
Passenger Side Front Compartment Side Rail 
GM
GM Positions: Right
Description: Lower rail. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $1,405.29
$1,264.76
MSRP $1,405.29
$1,264.76
2
Passenger Side Front Compartment Inner Side Rail Extension GM
GM Positions: Right
Notes: PARTS: Part included with rail assembly.
Description: Lower rail. Front center. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $82.27
$74.04
MSRP $82.27
$74.04
2
Driver Side Front Engine Compartment Inner Rail Extension GM
GM Positions: Left
Notes: PARTS: Part included with rail assembly.
Description: Lower rail. Front center. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $82.27
$74.04
MSRP $82.27
$74.04
3
Rail Assembly Upper Reinforced GM
GM Positions: Left
Notes: PARTS: Part included with rail assembly.
Description: 2021-23, lower rail. 2024-26, lower rail.
MSRP $32.00
$28.80
MSRP $32.00
$28.80
3
Rail Assembly Upper Reinforced GM
GM Positions: Right
Notes: PARTS: Part included with rail assembly.
Description: 2021-23, lower rail. 2024-26, lower rail.
MSRP $13.40
$12.06
MSRP $13.40
$12.06
4
Passenger Side Front Compartment Side Rail GM
GM Positions: Right
Description: Lower rail. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $667.95
$601.16
MSRP $667.95
$601.16
4
Driver Side Front Compartment Side Rail GM
GM Positions: Left
Description: Lower rail. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $580.88
$522.79
MSRP $580.88
$522.79
5
Passenger Side Brake Hose Bracket GM
GM Positions: Right
Notes: PARTS: Part included with outer rail.
Description: Lower rail. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $48.45
$43.61
MSRP $48.45
$43.61
5
Outer Rail Bracket GM
GM Positions: Left
Notes: PARTS: Part included with outer rail.
Description: 2021-23, lower rail. 2024-26, lower rail.
MSRP $27.36
$24.62
MSRP $27.36
$24.62
5
Lower Rail Extension GM
GM Positions: Right outer
Description: 2021-26, rails & components, outer.
MSRP $37.60
$33.84
MSRP $37.60
$33.84
6
Front Passenger Side Wheelhouse Panel Extension GM
GM Positions: Right
Description: Front outer. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $89.61
$80.65
MSRP $89.61
$80.65
6
$67.39
7
Rail Extension GM
GM Positions: Right
Description: 2021-23, lower rail, front inner. 2024-26, lower rail, front inner.
MSRP $415.30
$373.77
MSRP $415.30
$373.77
7
Driver Side Front Compartment Inner Side Rail Extension GM
GM Positions: Left
Description: Lower rail, front inner. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $415.30
$373.77
MSRP $415.30
$373.77
8
Passenger Side Floor Panel Number 1 Cross Bar Extension GM
GM Positions: Right
Description: Center-lower. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $20.04
$18.04
MSRP $20.04
$18.04
8
Driver Side Floor Panel Number 1 Cross Bar Reinforcement GM
GM Positions: Left
Description: Center-lower. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $22.06
$19.85
MSRP $22.06
$19.85
9
MSRP $41.67
$37.50
9
Driver Side Front Compartment Outer Side Rail Extension GM
GM Positions: Left
Description: Lower rail, side upper. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $91.47
$82.32
MSRP $91.47
$82.32
10
Rail Extension GM
GM Positions: Right
Description: 2021-23, lower rail, side lower. 2024-26, lower rail, side lower.
MSRP $81.01
$72.91
MSRP $81.01
$72.91
10
Driver Side Front Compartment Side Rail Rear Extension GM
GM Positions: Left
Description: Lower rail, side lower. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $83.63
$75.27
MSRP $83.63
$75.27
11
Driver Side Front Compartment Front Side Rail Reinforcement GM
GM Positions: Left
Description: Lower rail, #1. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $29.30
$26.37
MSRP $29.30
$26.37
11
Passenger Side Front Compartment Front Side Rail Reinforcement GM
GM Positions: Right
Description: Lower rail, #1. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $10.69
$9.62
MSRP $10.69
$9.62
12
Driver Side Front Compartment Front Side Rail Reinforcement GM
GM Positions: Left
Description: Lower rail, #2. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $84.16
$75.74
MSRP $84.16
$75.74
12
Passenger Side Front Compartment Front Side Rail Reinforcement GM
GM Positions: Right
Description: Lower rail, #2. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $38.36
$34.52
MSRP $38.36
$34.52
13
Driver Side Front Compartment Side Rail Rear Reinforcement GM
GM Positions: Left
Description: Lower rail, #3. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $21.68
$19.51
MSRP $21.68
$19.51
13
Rail Assembly Lower Reinforced GM
GM Positions: Right
Description: 2021-23, lower rail, #3. 2024-26, lower rail, #3.
MSRP $18.18
$16.36
MSRP $18.18
$16.36