Structural Components & Rails for 2018 Buick Regal Sportback
No.
Part # / Description / Price
Price
2
Driver Side Front Compartment Side Rail Bracket 
GM
GM Positions: Left
Notes: PARTS: Part included rail assembly.
Description: Lower rail. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $13.84
$10.34
MSRP $13.84
$10.34
2
Rail Assembly Front Bracket GM
GM Positions: Right
Notes: PARTS: Part included rail assembly.
Description: Lower rail.
MSRP $9.73
$7.27
MSRP $9.73
$7.27
3
Rail Assembly Rear Bracket GM
GM Positions: Right
Notes: PARTS: Part included rail assembly.
Description: Lower rail.
MSRP $9.45
$7.06
MSRP $9.45
$7.06
4
Passenger Side Front Compartment Inner Side Rail Extension GM
GM Positions: Right
Notes: PARTS: Part included 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 $78.07
$53.61
MSRP $78.07
$53.61
4
Driver Side Front Engine Compartment Inner Rail Extension GM
GM Positions: Left
Notes: PARTS: Part included 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 $78.07
$53.61
MSRP $78.07
$53.61
5
Rail Assembly Upper Reinforced GM
GM Positions: Left
Notes: PARTS: Part included rail assembly.
Description: 2021-23, lower rail. 2024-25, lower rail.
MSRP $30.36
MSRP $30.36
5
Rail Assembly Upper Reinforced GM
GM Positions: Right
Notes: PARTS: Part included rail assembly.
Description: 2021-23, lower rail. 2024-25, lower rail.
MSRP $12.72
$9.50
MSRP $12.72
$9.50
6
Driver Side Front Compartment Side Rail Rear Reinforcement GM
GM Positions: Left
Notes: PARTS: Part serviced with rail assembly.
Description: Lower rail, #3. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $20.57
$14.74
MSRP $20.57
$14.74
6
Rail Assembly Lower Reinforced GM
GM Positions: Right
Notes: PARTS: Part serviced with rail assembly.
Description: 2021-23, lower rail, #3. 2024-25, lower rail, #3.
MSRP $17.25
$12.36
MSRP $17.25
$12.36
9
Driver Side Front Engine Compartment Inner Rail Extension GM
GM Positions: Left
Description: Front inner. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $77.21
$53.02
MSRP $77.21
$53.02
9
Passenger Side Front Compartment Inner Side Rail Extension GM
GM Positions: Right
Description: Front inner. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $77.21
$53.02
MSRP $77.21
$53.02
10
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 $85.04
$56.87
MSRP $85.04
$56.87
10
$48.80
11
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 $20.93
$15.01
MSRP $20.93
$15.01
11
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 $19.01
$13.63
MSRP $19.01
$13.63
12
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 $26.46
$18.97
MSRP $26.46
$18.97
12
Passenger Side Front Compartment Outer Side Rail Extension GM
GM Positions: Right
Description: Lower rail, side upper. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $25.70
$18.42
MSRP $25.70
$18.42
13
Passenger Side Front Compartment Side Rail Rear Extension GM
GM Positions: Right
Description: Lower rail, side lower. Rear lower. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $47.71
$32.76
MSRP $47.71
$32.76
13
Driver Side Front Compartment Side Rail Rear Extension GM
GM Positions: Left
Description: Lower rail, side lower. Rear lower. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $51.43
$35.32
MSRP $51.43
$35.32
14
Passenger Side Front Compartment Front Side Rail Reinforcement 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 $25.25
$18.10
MSRP $25.25
$18.10
14
Driver Side Front Engine Compartment Front Rail Reinforcement 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 $31.09
$22.29
MSRP $31.09
$22.29
15
Passenger Side Front Compartment Outer 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 $45.93
$31.54
MSRP $45.93
$31.54
15
Driver Side Front Compartment Outer 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 $45.22
$31.05
MSRP $45.22
$31.05
16
Upper Reinforced Bracket GM
GM Positions: Left
Description: Lower rail. Apron assembly.
MSRP $54.63
$37.52
MSRP $54.63
$37.52
16
Rail Assembly Brace GM
GM Positions: Right
Description: Lower rail. 2024-25, apron assembly.
MSRP $52.36
$35.96
MSRP $52.36
$35.96
18
MSRP $59.25
$40.69
18
MSRP $65.16
$44.75
19
Driver Side Front Compartment Side Rail Bracket 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 $9.26
$6.92
MSRP $9.26
$6.92
19
MSRP $7.01
$5.40
20
Passenger Side Front Compartment Front Side Rail Reinforcement 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 $31.41
$22.51
MSRP $31.41
$22.51
20
Driver Side Front Compartment Front Side Rail Reinforcement 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 $31.41
$22.51
MSRP $31.41
$22.51
21
Passenger Side Front Compartment Side Rail Plate 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 $9.91
$7.40
MSRP $9.91
$7.40
21
Driver Side Front Compartment Side Rail Plate 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 $10.14
$7.58
MSRP $10.14
$7.58
22
Passenger Side Front End Sheet Metal Diagonal Brace Reinforcement GM
GM Positions: Right
Description: Lower rail. Helps reinforce and align your vehicle's radiator support panel reinforcement
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $11.07
$8.27
MSRP $11.07
$8.27
22
Driver Side Front End Sheet Metal Diagonal Brace Reinforcement GM
GM Positions: Left
Description: Lower rail. Helps reinforce and align your vehicle's radiator support panel reinforcement
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $10.92
$8.16
MSRP $10.92
$8.16
No.
Part # / Description / Price
Price
3
Passenger Side Front Wheelhouse Front Panel GM
GM Positions: Right
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly. Shields vehicle from airborne debris thrown by the tires
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 $120.45
$80.54
MSRP $120.45
$80.54
3
Front Panel GM
GM Positions: Left
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly.
MSRP $82.68
$56.78
MSRP $82.68
$56.78
4
Passenger Side Front Wheelhouse Panel Bracket GM
GM Positions: Right
Notes: PARTS: Part included with apron assembly.
Description: APRON ASSEMBLY. right side only. Helps secure and attach your vehicle's plenum water deflector
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 $28.47
$20.41
MSRP $28.47
$20.41
5
Driver Side Front Wheel House Panel Extension GM
GM Positions: Left
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $74.24
$50.98
MSRP $74.24
$50.98
5
Passenger Side Front Wheel House Panel Extension GM
GM Positions: Right
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $74.24
$50.98
MSRP $74.24
$50.98
6
Front Driver Side Wheelhouse Panel Bracket GM
GM Positions: Left
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly, #1. Helps secure and attach your vehicle's plenum water deflector
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 $18.11
$12.98
MSRP $18.11
$12.98
6
Front Passenger Side Wheelhouse Panel Bracket GM
GM Positions: Right
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly, #1. Helps secure and attach your vehicle's plenum water deflector
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 $23.17
$16.61
MSRP $23.17
$16.61
7
Multi-Purpose Bracket GM
GM Positions: Left
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly, #2. Helps align and secure various components
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 $13.41
$10.02
MSRP $13.41
$10.02
7
Front Passenger Side Fender Front Bracket GM
GM Positions: Right
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly, #2. Helps align and secure your vehicle's fender
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 $13.41
$10.02
MSRP $13.41
$10.02
8
Front Driver Side Wheelhouse Panel Bracket GM
GM Positions: Left
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly, #3. Helps secure and attach your vehicle's plenum water deflector
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 $18.11
$12.98
MSRP $18.11
$12.98
8
Front Passenger Side Wheelhouse Panel Bracket GM
GM Positions: Right
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly, #3. Helps secure and attach your vehicle's plenum water deflector
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 $17.76
$12.73
MSRP $17.76
$12.73
9
Front Driver Side Wheelhouse Panel Bracket GM
GM Positions: Left
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly, #4. Helps secure and attach your vehicle's plenum water deflector
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 $18.11
$12.98
MSRP $18.11
$12.98
9
Front Passenger Side Wheelhouse Panel Bracket GM
GM Positions: Right
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly, #4. Helps secure and attach your vehicle's plenum water deflector
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 $16.88
$12.10
MSRP $16.88
$12.10
10
Driver Side Front Wheel House Panel Extension GM
GM Positions: Left
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly. Helps provide structural support to the fender
Helps deflect debris
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $72.34
$49.68
MSRP $72.34
$49.68
10
Passenger Side Front Wheel House Panel Extension GM
GM Positions: Right
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $72.34
$49.68
MSRP $72.34
$49.68
11
Front Driver Side Wheelhouse Panel Reinforcement GM
GM Positions: Left
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly. Helps secure and support your vehicle's wheel housing
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 $18.21
$13.05
MSRP $18.21
$13.05
11
Front Passenger Side Wheelhouse Panel Reinforcement GM
GM Positions: Right
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly. Helps secure and support your vehicle's wheel housing
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 $18.21
$13.05
MSRP $18.21
$13.05
12
Front Driver Side Wheelhouse Panel Reinforcement GM
GM Positions: Left
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly. Helps secure and support your vehicle's wheel housing
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 $18.21
$13.05
MSRP $18.21
$13.05
12
Front Passenger Side Wheelhouse Panel Reinforcement GM
GM Positions: Right
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly. Helps secure and support your vehicle's wheel housing
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 $18.21
$13.05
MSRP $18.21
$13.05
13
Front Driver Side Wheelhouse Panel Brace GM
GM Positions: Left
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly. Helps secure and attach your vehicle's plenum water deflector
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 $467.01
$306.65
MSRP $467.01
$306.65
13
Passenger Side Front Wheelhouse Panel Brace GM
GM Positions: Right
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly. Helps secure and attach your vehicle's plenum water deflector
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 $27.39
$19.64
MSRP $27.39
$19.64
14
Front Driver Side Wheelhouse Panel Brace GM
GM Positions: Left
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly, front, left side only. Helps secure and attach your vehicle's plenum water deflector
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 $14.14
$10.56
MSRP $14.14
$10.56
15
Front Driver Side Wheelhouse Panel Brace GM
GM Positions: Left
Notes: PARTS: Part included with apron assembly.
Description: Apron assembly, rear, left side only. Helps secure and attach your vehicle's plenum water deflector
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 $11.02
$8.23
MSRP $11.02
$8.23
16
Driver Side Front Compartment Upper Side Rail GM
GM Positions: Left
Description: Apron assembly. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$16.18
$16.18
16
Passenger Side Front Compartment Upper Side Rail GM
GM Positions: Right
Description: Apron assembly. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$15.70
$15.70
17
Passenger Side Body Side Front Fender Upper Intermediate Bracket GM
GM Positions: Right
Description: Apron assembly. Helps align and secure your vehicle's fender
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 $7.34
$5.66
MSRP $7.34
$5.66
17
Driver Side Body Side Front Fender Upper Intermediate Bracket GM
GM Positions: Left
Description: Apron assembly. Helps align and secure your vehicle's fender
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 $10.19
$7.61
MSRP $10.19
$7.61
No.
Part # / Description / Price
Price
11
Rail Assembly Upper Reinforced GM
GM Positions: Left
Notes: PARTS: Part included with rail assembly.
Description: 2021-23, lower rail. 2024-25, lower rail.
MSRP $30.36
MSRP $30.36