Rear Floor & Rails for 2018 Cadillac ATS
No.
Part # / Description / Price
Price
2
Rear Floor Panel 
GM
GM Description: Coupe,. Foundation for your vehicle's interior 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 $1,153.04
$756.42
MSRP $1,153.04
$756.42
3
2015-2019 Cadillac ATS - Driver Side Floor Panel Number 4 Cross Bar Extension GM
GM Positions: Left
Notes: PARTS: Part included with rear floor pan.
Description: Coupe,. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $17.75
$13.36
MSRP $17.75
$13.36
3
2015-2019 Cadillac ATS - Passenger Side Number 4 Floor Panel Cross Bar Extension GM
GM Positions: Right
Notes: PARTS: Part included with rear floor pan.
Description: Coupe,. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.95
$6.90
MSRP $8.95
$6.90
4
2015-2019 Cadillac ATS - Passenger Side Number 4 Floor Panel Cross Bar Lower Support GM
GM Positions: Right
Notes: PARTS: Part included with rear floor pan.
Description: Upper. Helps reinforce your vehicle's floor panels
For proper installation, locate your nearest GM dealer, independent service center, or body shop
Precise fit for ease of installation
MSRP $53.14
$36.81
MSRP $53.14
$36.81
4
2015-2019 Cadillac ATS - Driver Side Floor Panel Number 4 Cross Bar Lower Support GM
GM Positions: Left
Notes: PARTS: Part included with rear floor pan.
Description: Upper. Helps reinforce your vehicle's floor panels
For proper installation, locate your nearest GM dealer, independent service center, or body shop
Precise fit for ease of installation
MSRP $55.28
$38.30
MSRP $55.28
$38.30
5
2015-2019 Cadillac ATS - Driver Side Floor Panel Number 4 Cross Bar Lower Support GM
GM Positions: Left
Notes: PARTS: Part included with rear floor pan.
Description: Lower. Helps reinforce your vehicle's floor panels
For proper installation, locate your nearest GM dealer, independent service center, or body shop
Precise fit for ease of installation
MSRP $20.63
$15.54
MSRP $20.63
$15.54
5
2015-2019 Cadillac ATS - Passenger Side Number 4 Floor Panel Cross Bar Lower Support GM
GM Positions: Right
Notes: PARTS: Part included with rear floor pan.
Description: Lower. Helps reinforce your vehicle's floor panels
For proper installation, locate your nearest GM dealer, independent service center, or body shop
Precise fit for ease of installation
MSRP $20.63
$15.54
MSRP $20.63
$15.54
6
2015-2019 Cadillac ATS - Driver Side Floor Panel Number 4 Cross Bar Reinforcement GM
GM Positions: Left
Notes: PARTS: Part included with rear floor pan.
Description: Coupe,. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $52.67
$36.49
MSRP $52.67
$36.49
6
2015-2019 Cadillac ATS - Passenger Side Number 4 Floor Panel Cross Bar Reinforcement GM
GM Positions: Right
Notes: PARTS: Part included with rear floor pan.
Description: Coupe,. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $54.17
$37.52
MSRP $54.17
$37.52
7
2015-2019 Cadillac ATS - Passenger Side Rear Floor Panel Outer Extension GM
GM Positions: Right
Description: Cntr floor upr. Helps complete the appearance of your vehicle's floor
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 $89.21
$59.65
MSRP $89.21
$59.65
7
2015-2019 Cadillac ATS - Rear Driver Side Floor Panel Outer Extension GM
GM Positions: Left
Description: Cntr floor upr. Helps complete the appearance of your vehicle's floor
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 $83.08
$55.56
MSRP $83.08
$55.56
8
Passenger Side Rear Compartment Floor Panel Rail Extension GM
GM Positions: Right
Notes: PARTS: Part included with rail assembly.
Description: Center floor lower outer. Cntr floor lwr outer. Helps complete the appearance of your vehicle's floor
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
8
2013-2019 Cadillac - Driver Side Rear Compartment Floor Panel Rail Extension GM
GM Positions: Left
Notes: PARTS: Part included with rail assembly.
Description: Cntr floor lwr outer. Sedan, 2013-2015, center floor-lower, outer. Helps complete the appearance of your vehicle's floor
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 $53.67
$37.18
MSRP $53.67
$37.18
9
2013-2023 GM - Passenger Side Rear Compartment Floor Panel Rail Extension GM
GM Positions: Right
Notes: PARTS: Part included with rail assembly.
Description: Cntr floor lwr, inner. Sedan, 2013-2015, center floor-lower, inner. Sedan, 2016-2018, center floor-lower, inner. Helps complete the appearance of your vehicle's floor
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 $117.36
$78.48
MSRP $117.36
$78.48
10
2015-2019 Cadillac ATS - Rear Compartment Floor Panel Outer Extension GM
GM Positions: Right
Notes: PARTS: Part included with rail assembly.
Description: Rear floor outer. Sedan, 2016-2018, rear floor. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $23.99
$18.06
MSRP $23.99
$18.06
10
2013-2019 Cadillac ATS - Rear Compartment Floor Panel Extension GM
GM Positions: Left
Notes: PARTS: Part included with rail assembly.
Description: Sedan, 2013-2015, rear floor. Rear floor outer. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $31.74
$23.90
MSRP $31.74
$23.90
11
2015-2019 Cadillac ATS - Rear Compartment Floor Panel Extension GM
GM Description: 2016-2018. Rear floor to rr body pnl. Helps complete the appearance of your vehicle's floor
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 $20.37
$15.34
MSRP $20.37
$15.34
12
2013-2024 GM - Lower Floor Pan Crossmember with Plates GM
GM Notes: PARTS: Part included with rear floor pan.
Description: Coupe,. Sedan, 2013-2015. Sedan, 2016-2018. Helps support and strengthen your vehicle's floor panel
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 $121.25
$81.07
MSRP $121.25
$81.07
14
2013-2019 Cadillac ATS - Passenger Side Number 5 Floor Panel Cross Bar Extension GM
GM Positions: Right
Notes: PARTS: Part included with rail assembly.
Description: Sedan, 2013-2015, lower, front. Coupe, lower, front. 2016-2018, lower, front. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $90.04
$60.21
MSRP $90.04
$60.21
15
2013-2024 GM - Passenger Side Floor Panel Crossmember Extension GM
GM Positions: Right
Notes: PARTS: Part included with rail assembly.
Description: Coupe, center crossmember. Upper. Sedan, 2013-2015, lower, rear. Sedan, 2016-2018, lower, rear. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $16.97
$12.78
MSRP $16.97
$12.78
15
2013-2024 GM - Driver Side Floor Panel Crossmember Extension GM
GM Positions: Left
Notes: PARTS: Part included with rail assembly.
Description: Convertible, center crossmember. Upper. Sedan, 2013-2015, lower, rear. Sedan, 2016-2018, lower, rear. Coupe, center crossmember. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $24.19
$18.21
MSRP $24.19
$18.21
16
2013-2024 Cadillac - Driver Side Upper Front Floor Panel Crossmember Extension GM
GM Positions: Left
Notes: PARTS: Part included with rear floor pan.
Description: Sedan, 2013-2015, upper, front. Sedan, 2016-2018, upper, front. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $28.52
$21.48
MSRP $28.52
$21.48
17
2013-2024 Cadillac - Driver Side Floor Panel Number 5 Cross Bar Extension GM
GM Positions: Left
Notes: PARTS: Part included with rear floor pan.
Description: Sedan, 2013-2015, upper, rear. Sedan, 2016-2018, upper, rear. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $36.54
$25.31
MSRP $36.54
$25.31
18
2013-2019 Cadillac ATS - Rear Driver Side Wheelhouse Inner Panel Brace GM
GM Positions: Left
Notes: PARTS: Part included with rear floor pan.
Description: Coupe,. Sedan, 2013-2015. Sedan, 2016-2018. Helps reinforce and align your vehicle's quarter panel
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 $15.89
$12.25
MSRP $15.89
$12.25
18
2013-2019 Cadillac ATS - Passenger Side Rear Wheelhouse Inner Panel Brace GM
GM Positions: Right
Notes: PARTS: Part included with rear floor pan.
Description: Coupe,. 2016-2018. Sedan, 2013-2015. Helps reinforce and align your vehicle's quarter panel
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 $37.68
$26.11
MSRP $37.68
$26.11
19
2013-2019 Cadillac ATS - Rear Driver Side Wheelhouse Panel Gusset GM
GM Positions: Left
Notes: PARTS: Part included with rear floor pan.
Description: Sedan, 2016-2018. Coupe,. Sedan, 2013-2015. Helps secure and attach your vehicle's body to its chassis panel
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 $42.79
$29.65
MSRP $42.79
$29.65
19
2013-2019 Cadillac ATS - Passenger Side Rear Wheelhouse Panel Gusset GM
GM Positions: Right
Notes: PARTS: Part included with rear floor pan.
Description: Sedan, 2013-2015. 2016-2018. Coupe,. Helps secure and attach your vehicle's body to its chassis panel
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 $43.16
$29.90
MSRP $43.16
$29.90
20
2013-2019 Cadillac - Rear Driver Side Wheelhouse Inner Panel Extension GM
GM Positions: Left
Notes: PARTS: Part included with rail assembly.
Description: Inner wheelhouse. Completes the appearance of your vehicle's wheelhouse panel
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 $49.05
$33.98
MSRP $49.05
$33.98
20
Extension Panel GM
GM Positions: Right
Notes: PARTS: Part included with rail assembly.
Description: Sedan, 2013-2015, inner wheelhouse. Sedan, 2016-2018, inner wheelhouse.
21
2013-2019 Cadillac ATS - Driver Side Rear Compartment Panel Longitudinal Rail GM
GM Positions: Left
Description: Coupe,. 2016-2018. Sedan, 2013-2015. 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 $676.93
$444.08
MSRP $676.93
$444.08
22
2013-2024 GM - Rear Passenger Side Spring Upper Seat GM
GM Positions: Right
Notes: PARTS: Part included with rail assembly.
Description: Convertible, upper. Coupe, upper. Sedan, 2013-2015, upper. Sedan, 2016-2018, upper. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $19.50
$12.48
MSRP $19.50
$12.48
23
2013-2024 GM - Rear Passenger Side Spring Lower Seat GM
GM Positions: Right
Notes: PARTS: Part included with rail assembly.
Description: Convertible, lower. Coupe, lower. Sedan, 2013-2015, lower. Sedan, 2016-2018, lower. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $39.06
$24.41
MSRP $39.06
$24.41
23
2013-2024 GM - Rear Driver Side Spring Lower Seat GM
GM Positions: Left
Notes: PARTS: Part included with rail assembly.
Description: Convertible, lower. Sedan, 2016-2018, lower. Sedan, 2013-2015, lower. Coupe, lower. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $33.86
$24.14
MSRP $33.86
$24.14
24
2013-2024 GM - Driver Side Underbody Number 6 Cross Sill Reinforcement GM
GM Positions: Left
Notes: PARTS: Part included with rail assembly.
Description: Convertible. Sedan, 2013-2015. Sedan, 2016-2018. Coupe. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $20.37
$15.34
MSRP $20.37
$15.34
24
2013-2024 GM - Passenger Side Number 6 Underbody Cross Sill Reinforcement GM
GM Positions: Right
Notes: PARTS: Part included with rail assembly.
Description: Convertible. Sedan, 2013-2015. Sedan, 2016-2018. Coupe. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $14.14
$10.91
MSRP $14.14
$10.91
25
2013-2024 Cadillac - Battery Hold Down Retainer Reinforcement GM
GM Positions: Left
Notes: PARTS: Part included with rail assembly.
Description: Left side only. Sedan, 2013-2015, batter hold down. 2016-2018, batter hold down. Battery hold down. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $18.32
$13.05
MSRP $18.32
$13.05
26
2013-2024 GM - Passenger Side Rear Bumper Impact Bar Anchor Plate GM
GM Positions: Right
Notes: PARTS: Part included with rail assembly.
Description: Convertible. Sedan, 2016-2018. Sedan, 2013-2015. Coupe. Helps limit damage in low impact collisions
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $40.87
$28.31
MSRP $40.87
$28.31
No.
Part # / Description / Price
Price
1
Rear Floor Panel GM
GM Description: 2013-2015. 2016-2018. Foundation for your vehicle's interior 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 $810.30
$531.57
MSRP $810.30
$531.57
2
2013-2018 Cadillac ATS - Rear Floor Panel GM
GM Description: Sedan, 2013-2015. 2016-2018, without v. Foundation for your vehicle's interior 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 $581.43
$381.43
MSRP $581.43
$381.43
4
2013-2018 Cadillac ATS - Driver Side Rear Compartment Floor Panel Rail Extension GM
GM Positions: Left
Description: Sedan, 2013-2015, center floor-upper, center floor-upper. 2016-2018, center floor-upper, center floor-upper. Helps complete the appearance of your vehicle's floor
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 $34.66
$24.01
MSRP $34.66
$24.01
4
2013-2018 Cadillac ATS - Passenger Side Rear Compartment Floor Panel Rail Extension GM
GM Positions: Right
Description: Sedan, 2013-2015, center floor-upper, center floor-upper. 2016-2018, center floor-upper, center floor-upper. Helps complete the appearance of your vehicle's floor
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 $34.66
$24.01
MSRP $34.66
$24.01
5
Floor Extension GM
GM Positions: Right
Notes: PARTS: Part included with rear rail assembly.
Description: Center floor lower outer.
MSRP $16.00
$12.34
MSRP $16.00
$12.34
5
Floor Extension GM
GM Positions: Left
Notes: PARTS: Part included with rear rail assembly.
Description: Center floor lower outer.
6
2013-2020 GM - Driver Side Rear Compartment Floor Panel Extension GM
GM Positions: Left
Notes: PARTS: Part included with rear rail assembly.
Description: Convertible, cntr floor lwr, inner. 2016-2018, center floor-lower, inner. Coupe, cntr floor lwr, inner. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $30.08
$22.65
MSRP $30.08
$22.65
8
2013-2018 Cadillac ATS - Number 5 Floor Panel Cross Bar GM
GM Description: Sedan, 2013-2015. 2016-2018, without v. Helps support and strengthen your vehicle's floor panel
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 $142.01
$94.96
MSRP $142.01
$94.96
10
2016-2024 GM - Number 6 Floor Panel Cross Bar GM
GM Description: Coupe. Convertible. 2016-2018. Helps support and strengthen your vehicle's floor panel
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 $16.97
$12.78
MSRP $16.97
$12.78
11
2013-2019 Cadillac ATS - Driver Side Floor Panel Number 5 Cross Bar Extension GM
GM Positions: Left
Notes: PARTS: Part included with rear rail assembly.
Description: Coupe, lower, front. 2016-2018, lower, front. Sedan, 2013-2015, lower, front. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $92.30
$61.72
MSRP $92.30
$61.72
13
2013-2024 Cadillac - Passenger Side Upper Front Floor Panel Crossmember Extension GM
GM Positions: Right
Description: Sedan, 2013-2015, upper, front. 2016-2018, upper, front. Coupe, upper, front. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $20.37
$15.34
MSRP $20.37
$15.34
14
2013-2024 Cadillac - Passenger Side Number 5 Floor Panel Cross Bar Extension GM
GM Positions: Right
Description: Sedan, 2013-2015, upper, rear. Sedan, 2016-2018, upper, rear. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $37.02
$25.65
MSRP $37.02
$25.65
18
$521.29
18
2013-2019 Cadillac ATS - Driver Side Rear Compartment Panel Longitudinal Rail GM
GM Positions: Left
Description: Coupe,. 2016-2018. Sedan, 2013-2015. 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 $676.93
$444.08
MSRP $676.93
$444.08
20
2013-2024 GM - Rear Driver Side Spring Upper Seat GM
GM Positions: Left
Notes: PARTS: Part included with rail assembly.
Description: Convertible, upper. Coupe, upper. 2016-2018, upper. Sedan, 2013-2015, upper. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $19.19
$12.29
MSRP $19.19
$12.29
23
2013-2024 Cadillac - Battery Hold Down Retainer Reinforcement GM
GM Notes: PARTS: Part included with rail assembly.
Description: Left side only. Sedan, 2013-2015, batter hold down. 2016-2018, batter hold down. Battery hold down. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $18.32
$13.05
MSRP $18.32
$13.05
24
2013-2024 GM - Rear Driver Side Bumper Impact Bar Anchor Plate GM
GM Positions: Left
Notes: PARTS: Part included with rail assembly.
Description: Convertible. Sedan, 2016-2018. Sedan, 2013-2015. Coupe. Helps limit damage in low impact collisions
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $40.87
$28.31
MSRP $40.87
$28.31
25
2013-2018 Cadillac ATS - Driver Side Rear Compartment Panel Longitudinal Rail GM
GM Positions: Left
Description: Sedan, 2013-2015. 2016-2018. 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
25
2013-2018 Cadillac ATS - Passenger Side Rear Compartment Panel Longitudinal Rail GM
GM Positions: Right
Description: Sedan, 2013-2015. 2016-2018. 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
27
2015-2019 Cadillac ATS - Rear Compartment Floor Panel Extension GM
GM Positions: Right
Description: 2016-2018. Rear floor to rr body pnl. Helps complete the appearance of your vehicle's floor
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 $20.37
$15.34
MSRP $20.37
$15.34
No.
Part # / Description / Price
Price
1
Rear Floor Panel GM
GM Description: 2013-2015. 2016-2018. Foundation for your vehicle's interior 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 $810.30
$531.57
MSRP $810.30
$531.57