Control Modules for 2026 Cadillac CT4
No.
Part # / Description / Price
Price
1
Seat Back Frame 
GM
GM Positions: Right
Description: Seat back, performance. With performance seat, frames & shields.
MSRP $341.82
$224.57
MSRP $341.82
$224.57
1
Seat Back Frame GM
GM Positions: Front right
Description: Without performance seat, frames & shields. With power, without ventilated. With ventilated. without dvd. With ventilated, seat back, without rear display. With power, with ventilated, with massage, seat back. Seat back, without vented. With ventilated, with power bolster.
MSRP $194.71
$127.92
MSRP $194.71
$127.92
2
Seat Back Panel GM
GM Positions: Right
Description: Seat back, performance, stormhawk carbon. With performance seat, frames & shields, carbon.
MSRP $7,151.95
$4,677.28
MSRP $7,151.95
$4,677.28
2
Seat Back Panel GM
GM Positions: Right
Description: With performance seat, frames & shields, black.
MSRP $958.37
$626.76
MSRP $958.37
$626.76
3
Support Bracket GM
GM Positions: Right
Description: Seat back, performance. With performance seat, frames & shields.
MSRP $57.33
$39.20
MSRP $57.33
$39.20
3
Seat Back Panel Bracket GM
GM Positions: Right
Description: Without performance seat, frames & shields, premium luxury, sport, v, v blackwing, premium luxury, sport, v, v blackwing. Seat back, performance. Seat back, without vented.
MSRP $17.10
$12.30
MSRP $17.10
$12.30
5
Back Panel Cover GM
GM Positions: Right
Description: Seat back, performance, inner. Seat back, performance, outer. With performance seat, frames & shields, inner. With performance seat, frames & shields, outer.
MSRP $58.18
$39.80
MSRP $58.18
$39.80
5
Back Panel Cover GM
GM Positions: Right
Description: Seat back, performance, inner. Seat back, performance, outer. With performance seat, frames & shields, inner. With performance seat, frames & shields, outer.
MSRP $63.41
$43.38
MSRP $63.41
$43.38
6
Upper Cover GM
GM Positions: Right
Description: Seat back, performance. With performance seat, frames & shields.
MSRP $216.87
$142.48
MSRP $216.87
$142.48
7
F Support GM
GM Positions: Right
Description: Seat back, performance. With performance seat, frames & shields, with massage.
MSRP $199.82
$131.28
MSRP $199.82
$131.28
7
Lumbar Support GM
GM Positions: Right
Description: With performance seat, frames & shields, without massage.
MSRP $216.63
$142.33
MSRP $216.63
$142.33
10
Bolster Pad GM
GM Positions: Right
Description: Seat back, performance. With performance seat, frames & shields.
MSRP $11.86
$8.54
MSRP $11.86
$8.54
17
Outer Finish Panel GM
GM Positions: Right
Description: With performance seat, frames & shields, without massage.
MSRP $34.94
$23.89
MSRP $34.94
$23.89
17
Outer Finish Panel GM
GM Positions: Front right outer
Description: Without performance seat, frames & shields, 4-way lumbar, with massage. Seat cushion, with vented.
MSRP $30.65
$22.07
MSRP $30.65
$22.07
17
Inner Finish Panel GM
GM Positions: Front right inner
Description: Without performance seat, frames & shields. Seat cushion, without vented.
MSRP $7.75
$5.58
MSRP $7.75
$5.58
17
Outer Finish Panel GM
GM Positions: Front right outer
Description: Without performance seat, frames & shields, 4-way lumbar, without massage. Seat cushion, with vented.
MSRP $28.67
$20.64
MSRP $28.67
$20.64
17
Outer Finish Panel GM
GM Positions: Front left
Description: Without performance seat, frames & shields, without massage, 2 way lumbar. Seat cushion, without vented.
MSRP $25.40
$18.29
MSRP $25.40
$18.29
17
Outer Finish Panel GM
GM Positions: Front left outer
Description: Without performance seat, frames & shields, without massage, 4 way lumbar.
MSRP $39.72
$27.17
MSRP $39.72
$27.17
17
Outer Finish Panel GM
GM Positions: Front left outer
Description: Without performance seat, frames & shields, with massage. Seat cushion, with vented.
MSRP $39.72
$27.17
MSRP $39.72
$27.17
17
Outer Finish Panel GM
GM Positions: Front right outer
Description: Without performance seat, frames & shields, 2-way lumbar.
MSRP $44.07
$30.15
MSRP $44.07
$30.15
17
Front Cover GM
GM Positions: Front left forward
Description: Without performance seat, frames & shields. Seat cushion, with vented.
MSRP $8.27
$5.95
MSRP $8.27
$5.95
18
Outer Finish Panel Retainer GM
GM Positions: Right
Description: Without performance seat, frames & shields, #1.
MSRP $40.05
$27.39
MSRP $40.05
$27.39
19
Outer Finish Panel Retainer GM
GM Positions: Front right
Description: Without performance seat, frames & shields, #2. With ventilated, with power bolster, rear. Without power. Outer finish pnl,retainer.
MSRP $9.71
$7.00
MSRP $9.71
$7.00
20
Seat Switch GM
GM Positions: Front right
Description: Hummer EV Pickup. CT5. Right. 8-way seat adjust. Without pwr bolster control. Seat cushion, with vented. Without ventilated, seat cushion. CT4. Without power bolster. Without lumbar. 4-way lumbar. 2021-26, power seat without ventilated seat.
MSRP $74.40
$50.88
MSRP $74.40
$50.88
21
Seat Switch Support GM
GM Positions: Right
Description: With performance seat, frames & shields. Seat cushion, with vented.
MSRP $12.11
$8.72
MSRP $12.11
$8.72
23
Recline Knob GM
GM Positions: Front center right
Description: With ventilated, black. Without performance seat, frames & shields, black/chrome. With power, vent, massage, seat cushion & adjuster components. With power, with ventilated, with massage, seat cushion. Seat cushion, with vented. Bucket-right side seat cushion with executive seats.
MSRP $10.21
$7.34
MSRP $10.21
$7.34
25
Seat Switch Knob GM
GM Positions: Right
Description: Bucket-right side, seat cushion, lumbar switch. With power, vent, massage, seat cushion & adjuster components, lumbar. With power, with ventilated, with massage, seat cushion. With performance seat, frames & shields. Bucket-left side seat cushion with executive seats. lumbar switch.
MSRP $9.96
$7.16
MSRP $9.96
$7.16
28
Module GM
GM Positions: Right
Description: With performance seat, frames & shields, heater control.
MSRP $68.92
$47.15
MSRP $68.92
$47.15
28
Cooling Module GM
GM Positions: Front right
Description: CT4. From 12/21/21. Without performance seat, frames & shields, heater control. Seat cushion, with vented.
MSRP $13.64
$9.83
MSRP $13.64
$9.83
