2021 Cadillac CT4
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Available trims
Luxury,
Premium Luxury,
Sport,
V
Engine sizes
2.0L,
2.7L
Engine types
gas
Drive types
RWD
Body types
Sedan
MSRP at release
$33395-44895
Seating for
5
Cargo capacity
10.7 cu. ft.
Fuel capacity
17.0 gal.
Fuel economy
23-27 mpg
Towing capacity
No data
Body dimensions
Length: 187.2"
Width: 71.4"
Wheel base: 109.3"
Curb weight: 3422-3616 lbs.
Part List
Know what you need? Let's find it.
 BrakingElectronics & Programmable | BrakingElectronics & Programmable |
 Heating & Cooling | Heating & Cooling |
 Heating & Cooling | Heating & Cooling |
 InteriorSafety | InteriorSafety |
 Fuel System | Fuel System |
 Fuel System | Fuel System |
 Electronics & Programmable | Electronics & Programmable |
 Suspension | Suspension |
 Glass & Windows | Glass & Windows |
 Heating & Cooling | Heating & Cooling |
 Braking | Braking |
 Electronics & Programmable | Electronics & Programmable |
 PowertrainSuspension | PowertrainSuspension |
 Body Parts | Body Parts |
 Electronics & Programmable | Electronics & Programmable |
 Electronics & Programmable | Electronics & Programmable |
 Heating & Cooling | Heating & Cooling |
 Powertrain | Powertrain |
 Interior | Interior |
 Body Parts | Body Parts |
 Powertrain | Powertrain |
 Electronics & Programmable | Electronics & Programmable |
 Heating & Cooling | Heating & Cooling |
 Electronics & Programmable | Electronics & Programmable |
 Body Parts | Body Parts |
 Body Parts | Body Parts |
 Powertrain | Powertrain |
 Braking | Braking |
 Body Parts | Body Parts |
 Body Parts | Body Parts |
 Body Parts | Body Parts |
 Interior | Interior |
 Body Parts | Body Parts |
 Glass & Windows | Glass & Windows |
 Glass & WindowsInterior | Glass & WindowsInterior |
 Glass & Windows | Glass & Windows |
 Powertrain | Powertrain |
 Suspension | Suspension |
 Lighting | Lighting |
 Suspension | Suspension |
 Interior | Interior |
 InteriorSafety | InteriorSafety |
 Suspension | Suspension |
 Fuel System | Fuel System |
 Fuel System | Fuel System |
 Fuel System | Fuel System |
 Body Parts | Body Parts |
 Powertrain | Powertrain |
 Lighting | Lighting |
 Body Parts | Body Parts |
 Interior | Interior |
 Suspension | Suspension |
 Powertrain | Powertrain |
 Heating & Cooling | Heating & Cooling |
 Glass & WindowsInterior | Glass & WindowsInterior |
 Powertrain | Powertrain |
 Steering | Steering |
 Body Parts | Body Parts |
 Body Parts | Body Parts |
 Heating & Cooling | Heating & Cooling |
 Electronics & Programmable | Electronics & Programmable |
 Body Parts | Body Parts |
 Body Parts | Body Parts |
 Body Parts | Body Parts |
 Glass & Windows | Glass & Windows |
 Glass & Windows | Glass & Windows |
 Glass & Windows | Glass & Windows |
 Powertrain | Powertrain |
 Suspension | Suspension |
 Body Parts | Body Parts |
 Suspension | Suspension |
 Body Parts | Body Parts |
 Suspension | Suspension |
 Body Parts | Body Parts |
 Glass & Windows | Glass & Windows |
 Glass & Windows | Glass & Windows |
 Interior | Interior |
 Electronics & Programmable | Electronics & Programmable |
 InteriorSteering | InteriorSteering |
 PowertrainSteering | PowertrainSteering |
 Suspension | Suspension |
 Interior | Interior |
 Suspension | Suspension |
 Suspension | Suspension |
 Lighting | Lighting |
 Heating & CoolingInterior | Heating & CoolingInterior |
 Powertrain | Powertrain |
 Powertrain | Powertrain |
 Powertrain | Powertrain |
 Powertrain | Powertrain |
 Powertrain | Powertrain |
 Glass & Windows | Glass & Windows |
 Wheels & Tires | Wheels & Tires |
 Glass & Windows | Glass & Windows |
Browse parts by system
Browse every OEM part we have data for on the 2021 Cadillac CT4, grouped by vehicle system.
Body Parts (18)
- Center Pillar
- Decklid Tailgate
- Exterior Door Handle
- Fender
- Front Bumper Assembly
- Premium Luxury w/o park assist w/o pre-crash system
- Premium Luxury park assist (opt UD5) pre-crash system (opt UGN)
- Premium Luxury park assist (opt UD5) w/o pre-crash system
- Premium Luxury w/o park assist pre-crash system (opt UGN)
- Sport park assist (opt UD5) pre-crash system (opt UGN)
- Sport park assist (opt UD5) w/o pre-crash system
- Sport w/o park assist pre-crash system (opt UGN)
- Sport w/o park assist w/o pre-crash system
- V-Series park assist (opt UD5) pre-crash system (opt UGN)
- V-Series park assist (opt UD5) w/o pre-crash system
- V-Series w/o park assist pre-crash system (opt UGN)
- V-Series w/o park assist w/o pre-crash system
- Front Bumper Cover
- Front Bumper Reinforcement
- Front Door Assembly
- Grille
- Hood
- Quarter Panel Assembly
- Radiator Core Support
- Rear Bumper Assembly
- Rear Bumper Cover
- Rear Bumper Reinforcement
- Rear Side Door Assembly
- Rear Spoiler
- Roof Assembly
Braking (3)
Electronics & Programmable (9)
- ABS Module
- Alternator
- Camera Projector
- camera front interior mirror mounted ID 84946683
- camera front interior mirror mounted ID 84946684
- camera front interior mirror mounted ID 84946685
- head-up display multifunction (opt UV6)
- radar unit blind spot alert (rear bumper) R.
- radar unit blind spot alert (rear bumper) L.
- radar unit cruise control long range (behind grille)
- radar unit cruise control short range (front bumper)
- camera front interior mirror mounted ID 86798014
- camera front interior mirror mounted ID 85557751
- camera side (outside mirror mounted)
- camera front interior mirror mounted ID 85589822
- camera front interior mirror mounted ID 85526008
- camera front steering column mounted (driver monitoring) ID 85530682
- camera front interior mirror mounted ID 84888026
- camera front interior mirror mounted ID 84888027
- camera front interior mirror mounted ID 87850947
- camera rear (decklid mounted) surround view (opt UV2) ID 84951069
- camera rear (decklid mounted) surround view (opt UV2) ID 85000014
- camera rear (decklid mounted) w/o surround view ID 84720489
- camera rear (decklid mounted) w/o surround view ID 84920320
- head-up display w/o multifunction (forward collision warning, opt UEU, red light dots)
- Chassis Control Module
- Body Control (BCM) (RH dash)
- Driver Assist park assist (RH quarter panel) front and rear park assist (opt UD5)
- Network Gateway (engine comparment)
- Communication telematics (OnStar, opt UE1) hands free driving (opt UKL)
- Communication telematics (OnStar, opt UE1) w/o hands free driving
- Driver Assist park assist (RH quarter panel) rear park assist (opt UD7)
- Driver Assist forward collision warning (trunk compartment) hands free driving (opt UKL)
- Driver Assist driver monitor (driver monitoring system)
- Information-GPS-TV (surround view) ID 85158405
- Information-GPS-TV (surround view) ID 85526099
- Transfer Case (LH rear side panel)
- Communication wireless charger (under console)
- Fuel Pump (floor chassis)
- Transmission (LH engine compartment)
- Air Bag (below center console)
- Driver Assist forward collision warning (trunk compartment) w/o hands free driving
- Memory (seat, mounted under seat)
- Converter/Inverter/Charger
- Engine Control Module
- Engine Fuse Box
- Radio Audio
- display and control panel ID 84910397
- display and control panel ID 84989563
- display and control panel ID 85610252
- amplifier 14 speaker system (opt UQS) ID 85547211
- control panel navigation
- control panel w/o navigation
- amplifier 8 speaker system (opt UQG)
- amplifier 14 speaker system (opt UQS) ID 84786784
- amplifier 14 speaker system (opt UQS) ID 84873333
- amplifier 14 speaker system (opt UQS) ID 84886773
- receiver opt IOS
- receiver opt IOT ID 85115274
- receiver opt IOT ID 85535068
- Starter Motor
Fuel System (5)
Glass & Windows (12)
- Back Glass
- Front Door Glass
- Front Door Switch
- Front Door Window Regulator
- Interior Mirror
- Rear Door Glass
- Rear Door Vent Glass
- Rear Door Window Regulator
- Roof Glass
- Side View Mirror
- (turn signal) surround view (opt UV2) R.
- (turn signal) surround view (opt UV2) L.
- (turn signal) w/o surround view blind spot alert (opt UKC) R.
- (turn signal) w/o surround view blind spot alert (opt UKC) L.
- (turn signal) w/o surround view w/o blind spot alert memory R.
- (turn signal) w/o surround view w/o blind spot alert memory L.
- (turn signal) w/o surround view w/o blind spot alert w/o memory R.
- (turn signal) w/o surround view w/o blind spot alert w/o memory L.
- Washer Reservoir Assembly
- Windshield Glass
Heating & Cooling (8)
Interior (12)
- Air Bag
- Dash Panel
- Front Console
- Front Door Switch
- Front Seat
- (power seat) cushion length adjustment (seat back bolster adjustment) leatherette R.
- (power seat) cushion length adjustment (seat back bolster adjustment) leatherette L.
- (power seat) cushion length adjustment (seat back bolster adjustment) leather R.
- (power seat) cushion length adjustment (seat back bolster adjustment) leather L.
- (power seat) w/o cushion length adjustment heated seats leatherette R.
- (power seat) w/o cushion length adjustment heated seats leatherette L.
- (power seat) w/o cushion length adjustment heated seats leather R.
- (power seat) w/o cushion length adjustment heated seats leather L.
- (power seat) w/o cushion length adjustment w/o heated seats R.
- (power seat) w/o cushion length adjustment w/o heated seats L.
- Front Seat Belt
- Ignition Switch
- Interior Mirror
- Speedometer Cluster
- analog speedometer (opt UDD) MPH and KPH ID 84946573
- analog speedometer (opt UDD) MPH and KPH ID 85114241
- analog speedometer (opt UDD) MPH and KPH ID 84946576
- analog speedometer (opt UDD) KPH ID 84946574
- analog speedometer (opt UDD) KPH ID 84946577
- analog speedometer (opt UDD) KPH ID 84946578
- digital speedometer (opt UDV) ID 84990185
- digital speedometer (opt UDV) ID 85112894
- digital speedometer (opt UDV) ID 85135965
- digital speedometer (opt UDV) ID 85580993
- digital speedometer (opt UDV) ID 85585929
- digital speedometer (opt UDV) ID 86510237
- Steering Column
- Sun Visor
- Temp Control
Lighting (3)
- Front Lamp
- Headlight Assembly
- (LED) cornering lamp (integrated in headlamp, opt T87) thru 04/25/21 R.
- (LED) cornering lamp (integrated in headlamp, opt T87) thru 04/25/21 L.
- (LED) w/o cornering lamp thru 11/25/21 R.
- (LED) w/o cornering lamp thru 11/25/21 L.
- (LED) cornering lamp (integrated in headlamp, opt T87) from 04/26/21 R.
- (LED) cornering lamp (integrated in headlamp, opt T87) from 04/26/21 L.
- (LED) w/o cornering lamp from 11/26/21 R.
- (LED) w/o cornering lamp from 11/26/21 L.
- Taillight Assembly