2026 Cadillac CT4 Interior Parts

This table covers the Accelerator Pedal pads. Typical signs include squeal, grind, or a wear-indicator scrape. Replace pads as an axle set and inspect the rotor or drum they ride on. Read more

This group shows a single part: GM GENUINE 84432309.

This table covers the Accelerator Pedal position sensors. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor. Read more

3 Accelerator Pedal Position Sensor parts for the 2026 Cadillac CT4 come from 2 brands — GM GENUINE and WELLS. 1 part fits every engine; the other 2 are engine-specific.

Part numbers include GM GENUINE 84960560, GM GENUINE 84960561 and WELLS 5S15824.

This table covers the 12-volt power outlets in the cabin. Read more

2 Accessory Power Outlet parts for the 2026 Cadillac CT4 come from GM GENUINE. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.7L L4 Turbocharged and 3.6L V6 Turbocharged).

Part numbers include GM GENUINE 22936013 and GM GENUINE 84186652.

This table covers the Accessory Power Outlet covers. Read more

One part is listed for the 2026 Cadillac CT4 — GM GENUINE 86807555.

This table covers the amplifiers in the antenna circuit. Read more

3 Antenna Amplifier parts for the 2026 Cadillac CT4 come from GM GENUINE. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.7L L4 Turbocharged and 3.6L V6 Turbocharged).

Part numbers include GM GENUINE 85040910, GM GENUINE 85040912 and GM GENUINE 85040914.

This table covers the brake pedals. Read more

One part is listed for the 2026 Cadillac CT4 — GM GENUINE 42922545.

This table covers the Brake Pedal pads. Typical signs include squeal, grind, or a wear-indicator scrape. Replace pads as an axle set and inspect the rotor or drum they ride on. Read more

This group shows a single part: GM GENUINE 85000316.

This table covers the Brake Pedal retainers. Read more

One part is listed for the 2026 Cadillac CT4 — GM GENUINE 84547450.

This table covers the Cargo Area mats. Read more

One part is listed for the 2026 Cadillac CT4 — GM GENUINE 85575960.

This table covers the lids on the center-console bin. Read more

GM GENUINE supplies both parts for the 2026 Cadillac CT4.

Listed part numbers: GM GENUINE 85085913 and GM GENUINE 85085914.

This table covers the cup holders in the cabin. Read more

3 Cup Holder parts for the 2026 Cadillac CT4 come from GM GENUINE.

Part numbers include GM GENUINE 85085911, GM GENUINE 85085915 and GM GENUINE 85085917.

This table covers the insulation behind a door panel. Read more

This group shows a single part: GM GENUINE 84190291.

This table covers the Hood Release cables. Typical signs include a stretched or frayed cable, or a control that no longer reaches the end of its travel. Route the new cable through the same clips. A kinked cable binds and fails early. Read more

This group shows a single part: GM GENUINE 85053516.

This table covers the interior door handles. Typical signs include a handle that works only from one side, or a broken lever inside the housing. Confirm inside vs outside and paint code in the notes. Read more

4 Inside Door Handle parts for the 2026 Cadillac CT4 come from GM GENUINE. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.7L L4 Turbocharged and 3.6L V6 Turbocharged).

Part numbers include GM GENUINE 84407719, GM GENUINE 84407720 and GM GENUINE 84549220, among others listed above.

This table covers the interior rear-view mirrors. Read more

3 Inside Rear View Mirror parts for the 2026 Cadillac CT4 come from GM GENUINE. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.7L L4 Turbocharged and 3.6L V6 Turbocharged).

This group includes GM GENUINE 13580909, GM GENUINE 13540314 and GM GENUINE 13540315.

This table covers the brackets that mount the Inside Rear View Mirror. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

3 Inside Rear View Mirror Bracket parts for the 2026 Cadillac CT4 come from GM GENUINE. 2 parts fit every engine; the other 1 is engine-specific.

This group includes GM GENUINE 86822915, GM GENUINE 87829554 and GM GENUINE 87829553.

This table covers the microphones for the hands-free or voice system. Read more

This group shows a single part: GM GENUINE 85822622.

This table covers the Quarter panels. Read more

This group shows a single part: GM GENUINE 85780178.

This table covers the Shifter bezels. Read more

GM GENUINE supplies both parts for the 2026 Cadillac CT4.

Part numbers include GM GENUINE 42935989 and GM GENUINE 85085910.

This table covers the speakers in this cabin position. Read more

GM GENUINE supplies the 8 Speaker parts for the 2026 Cadillac CT4. 2 parts fit every engine; the other 6 are engine-specific.

Part numbers include GM GENUINE 23509326, GM GENUINE 26634996 and GM GENUINE 84005144, among others listed above.

This table covers the amplifiers that drive the speakers. Read more

4 Speaker Amplifier parts for the 2026 Cadillac CT4 come from GM GENUINE.

Listed part numbers: GM GENUINE 85547211, GM GENUINE 87820359 and GM GENUINE 86543910, plus the other parts above.

This table covers the Steering wheels. Read more

2 Steering Wheel parts for the 2026 Cadillac CT4 come from GM GENUINE.

Listed part numbers: GM GENUINE 85084171 and GM GENUINE 85626702.

This table covers the Steering Wheel covers. Read more

GM GENUINE supplies the 3 Steering Wheel Cover parts for the 2026 Cadillac CT4.

Part numbers include GM GENUINE 84873506, GM GENUINE 85519510 and GM GENUINE 85519512.

This table covers the Steering Wheel Heater modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years. Read more

One part is listed for the 2026 Cadillac CT4 — GM GENUINE 42897352.

This table covers the Sunroof motors. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

One part is listed for the 2026 Cadillac CT4 — GM GENUINE 86792058.

This table covers the knobs on the shift lever. Read more

2 Transmission Shift Knob parts for the 2026 Cadillac CT4 come from GM GENUINE.

Listed part numbers: GM GENUINE 24046077 and GM GENUINE 24046078.

This table covers the shift levers that select gear. Read more

2 Transmission Shift Lever parts for the 2026 Cadillac CT4 come from GM GENUINE.

Part numbers include GM GENUINE 13545104 and GM GENUINE 24045653.

This table covers the USB / Accessory cables. Typical signs include a stretched or frayed cable, or a control that no longer reaches the end of its travel. Route the new cable through the same clips. A kinked cable binds and fails early. Read more

9 USB / Accessory Cable parts for the 2026 Cadillac CT4 come from GM GENUINE. 1 part fits every engine; the other 8 are engine-specific.

Part numbers include GM GENUINE 84759675, GM GENUINE 84759677 and GM GENUINE 84766313, among others listed above.

This table covers the USB and auxiliary ports in the cabin. Read more

This group shows a single part: GM GENUINE 13529869.

This table covers the motors that drive a window regulator. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

GM GENUINE supplies the 4 Window Motor parts for the 2026 Cadillac CT4. All of them fit every engine offered in the 2026 CT4.

Part numbers include GM GENUINE 84898056, GM GENUINE 84898058 and GM GENUINE 84898060, among others listed above.

This table covers the regulators that raise and lower each door glass. Read more

One part is listed for the 2026 Cadillac CT4 — GM GENUINE 85611401.

This table covers the wireless chargers in the cabin. Read more

2 Wireless Device Charger parts for the 2026 Cadillac CT4 come from GM GENUINE. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.7L L4 Turbocharged and 3.6L V6 Turbocharged).

Part numbers include GM GENUINE 13556047 and GM GENUINE 13563700.