Structural Components & Rails for 2018 Buick Regal Sportback
No.
Part # / Description / Price
Price
1
MSRP $601.53 CAD
$449.78 CAD
3
Rail Assembly Rear Bracket 
GM
GM Positions: Right
Notes: PARTS: Part included rail assembly.
Description: Lower rail.
4
Rail Assembly Front Extension GM
GM Positions: Left
Notes: PARTS: Part included rail assembly.
Description: 2021-23, lower rail. Front center.
MSRP $90.99 CAD
$71.00 CAD
MSRP $90.99 CAD
$71.00 CAD
4
Rail Assembly Front Extension GM
GM Positions: Right
Notes: PARTS: Part included rail assembly.
Description: 2021-23, lower rail. Front center.
MSRP $91.01 CAD
$70.99 CAD
MSRP $91.01 CAD
$70.99 CAD
4
Rail Extension GM
GM Positions: Front right outer
Description: Front outer.
MSRP $122.01 CAD
$86.05 CAD
MSRP $122.01 CAD
$86.05 CAD
4
Rail Extension GM
GM Positions: Front left outer
Description: 2024-26, lower rail, front outer.
MSRP $103.65 CAD
$73.12 CAD
MSRP $103.65 CAD
$73.12 CAD
5
Rail Assembly Upper Reinforced GM
GM Positions: Left
Notes: PARTS: Part included rail assembly.
Description: 2021-23, lower rail. 2024-26, lower rail.
MSRP $35.40 CAD
$27.62 CAD
MSRP $35.40 CAD
$27.62 CAD
5
Rail Assembly Upper Reinforced GM
GM Positions: Right
Notes: PARTS: Part included rail assembly.
Description: 2021-23, lower rail. 2024-26, lower rail.
MSRP $18.52 CAD
$14.45 CAD
MSRP $18.52 CAD
$14.45 CAD
6
Rail Assembly Lower Reinforced GM
GM Positions: Left
Notes: PARTS: Part serviced with rail assembly.
Description: 2021-23, lower rail, #3. 2024-26, lower rail, #3.
MSRP $29.31 CAD
$22.90 CAD
MSRP $29.31 CAD
$22.90 CAD
6
Rail Assembly Lower Reinforced GM
GM Positions: Right
Notes: PARTS: Part serviced with rail assembly.
Description: 2021-23, lower rail, #3. 2024-26, lower rail, #3.
MSRP $27.33 CAD
$21.35 CAD
MSRP $27.33 CAD
$21.35 CAD
8
Rail Extension GM
GM Positions: Rear right
Description: Sportback, 4-link suspension.
MSRP $653.03 CAD
$441.50 CAD
MSRP $653.03 CAD
$441.50 CAD
9
MSRP $92.24 CAD
$71.99 CAD
9
MSRP $93.15 CAD
$72.67 CAD
11
Rail Extension GM
GM Positions: Left
Description: 2021-23, lower rail, center lower. 2024-26, lower rail, center lower.
MSRP $91.39 CAD
$64.46 CAD
MSRP $91.39 CAD
$64.46 CAD
11
Rail Extension GM
GM Positions: Right
Description: 2021-23, lower rail, center lower. 2024-26, lower rail, center lower.
MSRP $100.69 CAD
$71.06 CAD
MSRP $100.69 CAD
$71.06 CAD
12
MSRP $45.48 CAD
$35.45 CAD
12
MSRP $45.48 CAD
$35.45 CAD
13
Rail Extension GM
GM Positions: Left
Description: Lower rail, side lower. Rear lower.
MSRP $134.63 CAD
$105.02 CAD
MSRP $134.63 CAD
$105.02 CAD
13
Rail Extension GM
GM Positions: Right
Description: Lower rail, side lower. Rear lower.
MSRP $131.59 CAD
$102.67 CAD
MSRP $131.59 CAD
$102.67 CAD
14
MSRP $36.21 CAD
$28.26 CAD
14
MSRP $30.82 CAD
$24.06 CAD
15
MSRP $460.89 CAD
$344.61 CAD
15
MSRP $460.89 CAD
$344.61 CAD
16
Upper Reinforced Bracket GM
GM Positions: Left
Description: Lower rail. Apron assembly.
MSRP $80.53 CAD
$56.77 CAD
MSRP $80.53 CAD
$56.77 CAD
16
Rail Assembly Brace GM
GM Positions: Right
Description: Lower rail. 2024-26, apron assembly.
MSRP $46.41 CAD
$32.76 CAD
MSRP $46.41 CAD
$32.76 CAD
17
Side Rail GM
GM Positions: Rear left
Description: Sportback, 4-link suspension.
MSRP $99.18 CAD
$69.96 CAD
MSRP $99.18 CAD
$69.96 CAD
17
Side Rail GM
GM Positions: Rear right
Description: Sportback, 4-link suspension.
MSRP $103.41 CAD
$72.94 CAD
MSRP $103.41 CAD
$72.94 CAD
18
Rail Assembly Lower Bracket GM
GM Positions: Left
Description: Center. Lower rail.
MSRP $150.41 CAD
$117.36 CAD
MSRP $150.41 CAD
$117.36 CAD
18
Rail Assembly Lower Bracket GM
GM Positions: Right
Description: Center. Lower rail.
MSRP $147.05 CAD
$114.74 CAD
MSRP $147.05 CAD
$114.74 CAD
21
MSRP $7.21 CAD
$5.60 CAD
21
MSRP $7.21 CAD
$5.60 CAD
22
MSRP $14.84 CAD
$10.49 CAD
22
MSRP $15.28 CAD
$10.74 CAD