Rear Floor & Rails for 2025 Cadillac CT4
No.
Part # / Description / Price
Price
3
Rear Floor Rear Panel 
GM
GM Description: 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
$190.87
$190.87
4
Passenger Side Rear Compartment Floor Panel Extension GM
GM Positions: Right
Description: Center floor, outer. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $105.09
$70.27
MSRP $105.09
$70.27
6
MSRP $325.74
$215.85
9
Floor Panel Number 6 Cross Bar GM
GM Description: 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
$4,312.50
$4,312.50
11
Driver Side Upper Front Floor Panel Crossmember Extension GM
GM Positions: Left
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
$20.62
MSRP $28.52
$20.62
11
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
$14.72
MSRP $20.37
$14.72
12
Driver Side Floor Panel Number 5 Cross Bar Extension GM
GM Positions: Left
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
$25.09
MSRP $36.54
$25.09
12
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
$25.42
MSRP $37.02
$25.42
14
Driver Side Floor Panel Crossmember Extension GM
GM Positions: Left
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
$17.48
MSRP $24.19
$17.48
14
Passenger Side Floor Panel Crossmember Extension GM
GM Positions: Right
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
$12.26
MSRP $16.97
$12.26
16
$390.92
16
Rail Assembly GM
GM Positions: Left
Notes: PARTS: Part included with rear floor pan.
MSRP $714.73
$471.46
MSRP $714.73
$471.46
17
Battery Hold Down Retainer Reinforcement GM
GM Positions: Left
Notes: PARTS: Part included with rear rail.
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
$12.53
MSRP $18.32
$12.53
18
Rear Passenger Side Bumper Impact Bar Bracket GM
GM Positions: Right
Notes: PARTS: Part included with rear rail.
Description: Helps align and secure your vehicle's bumper impact bar
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $316.36
$209.64
MSRP $316.36
$209.64
18
Rear Driver Side Bumper Impact Bar Bracket GM
GM Positions: Left
Notes: PARTS: Part included with rear rail.
Description: Helps align and secure your vehicle's bumper impact bar
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $316.36
$209.64
MSRP $316.36
$209.64
19
Rear Driver Side Spring Upper Seat GM
GM Positions: Left
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
$11.52
MSRP $19.19
$11.52
19
Rear Passenger Side Spring Upper Seat GM
GM Positions: Right
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
$11.70
MSRP $19.50
$11.70
21
Passenger Side Number 6 Underbody Cross Sill Reinforcement GM
GM Positions: Right
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
$10.22
MSRP $14.14
$10.22
21
Driver Side Underbody Number 6 Cross Sill Reinforcement GM
GM Positions: Left
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
$14.72
MSRP $20.37
$14.72
22
Driver Side Rear Compartment Floor Panel Rail GM
GM Positions: Left
Description: 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
$326.70
$326.70
22
Passenger Side Rear Compartment Floor Panel Rail GM
GM Positions: Right
Description: 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
$356.08
$356.08
23
Closure Panel Anchor Plate GM
GM Positions: Right
Notes: PARTS: Part included with closure panel.
MSRP $24.26
$17.47
MSRP $24.26
$17.47
23
Closure Panel Anchor Plate GM
GM Positions: Left
Notes: PARTS: Part included with closure panel.
MSRP $24.57
$17.70
MSRP $24.57
$17.70