Lighting - Exterior for 2026 Cadillac CT4
Categories
- Aero Ground Effects & Body Kits
- Brackets, Flanges & Hangers
- Bumper
- Bumper & Components - Front
- Bumper & Components - Rear
- Bushings
- Center Console
- Center Pillar & Rocker
- Cluster & Switches
- Console
- Control Cables
- Control Modules
- Cowl
- Dashboard
- Door & Components
- Doors
- Driver Seat Components
- Ducts
- Electrical Components
- Exterior Trim - Fender
- Exterior Trim - Front Door
- Exterior Trim - Pillars
- Exterior Trim - Rear Door
- Exterior Trim - Trunk
- Fender & Components
- Fenders
- Floor
- Floor & Rails
- Frame
- Gaskets & Sealing Systems
- Glass - Front Door
- Glass - Rear Door
- Glass - Windshield
- Glass & Hardware - Back
- Glass, Windows & Related Components
- Glove Box
- Grille
- Grille & Components
- Hardware, Fasteners & Fittings
- Hinge Pillar
- Hood
- Hood & Components
- Horns
- Information Labels
- Inner Structure
- Instrument Panel
- Instrument Panel Components
- Interior Trim - Front Door
- Interior Trim - Pillars
- Interior Trim - Quarter Panels
- Interior Trim - Rear Body
- Interior Trim - Rear Door
- Interior Trim - Roof
- Interior Trim - Trunk
- Labels
- Lid & Components
- Lock & Hardware
- Mirrors
- Outside Mirrors
- Overhead Console
- Passenger Seat Components
- Quarter Panel
- Quarter Panel & Components
- Radiator Support
- Rear Body
- Rear Floor & Rails
- Rear Seat Components
- Rocker Panel
- Roof
- Roof & Components
- Seats
- Sensors
- Side Pillar
- Sound System
- Splash Shields
- Spoiler
- Steering Wheel
- Structural Components & Rails
- Sunroof
- Switches, Solenoids & Actuators
- Tracks & Components
- Trunk Lid & Compartment
- Uniside
- Universal
- Wiper & Washer Components
- ABS Components
- Air Bag Components
- Air Bag System
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Anti-Theft System
- Automatic Transmission
- Battery
- Battery & Related Components
- Battery Cables
- Brackets, Flanges & Hangers
- Communication System Components
- Control Modules
- Controls
- Corner Lamps
- Doors
- Electrical Components
- Electrical Connectors
- Flasher Units, Fuses, & Circuit Breakers
- Fog & Signal Lamps
- Fog Lamps
- Front Door
- Front Seat Belts
- Fuse & Relay
- Gaskets & Sealing Systems
- Glass, Windows & Related Components
- Hardware, Fasteners & Fittings
- Headlamp Components
- Heated Seats
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Information Labels
- Instruments & Gauges
- Keyless Entry Components
- Lane Departure Warning
- License Lamps
- Lighting - Exterior
- Lighting - Instrumentation
- Lighting - Interior
- Mobile Multi-Media
- Parking Aid
- Power Outlets
- Power Seats
- Powertrain Control
- Rear Door
- Rear Seat Belts
- Relays
- Ride Control Components
- Sensors
- Side Marker Lamps
- Signal Lamps
- Starter
- Starter & Related Components
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Tire Pressure Monitor Components
- Wire, Cable & Related Components
- Wiring Harness
- Air Intake
- Brackets, Flanges & Hangers
- Control Modules
- Cylinder Block Components
- Engine
- Engine & Trans Mounting
- Engine Appearance Cover
- Engine Parts
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Mounts
- Sensors
- Turbocharger & Components
- Valve Train Components
- Wire, Cable & Related Components
- A/C Accumulator/Receiver Drier
- A/C Clutch & Compressor
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Automatic Temperature Controls
- Brackets, Flanges & Hangers
- Condenser, Compressor & Lines
- Controls
- Evaporator & Heater Components
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Heater
- Hoses & Pipes
- Information Labels
- Motors, Core, Case & Related Components
- Sensors
- Switches, Solenoids & Actuators
- Temperature Controls & Related Components
- Wire, Cable & Related Components
- Axle & Differential
- Brackets, Flanges & Hangers
- Carrier & Front Axles
- Control Modules
- Drive Shaft
- Hardware, Fasteners & Fittings
- Rear Suspension
- Shocks & Components
- Shocks & Struts
- Stabilizer Bar & Components
- Struts & Components
- Suspension Components
- Suspension Mounting
- Suspension, Springs & Related Components
- Wheels
- Aero Ground Effects & Body Kits
- Brackets, Flanges & Hangers
- Bumper
- Bumper & Components - Front
- Bumper & Components - Rear
- Bushings
- Center Console
- Center Pillar & Rocker
- Cluster & Switches
- Console
- Control Cables
- Control Modules
- Cowl
- Dashboard
- Door & Components
- Doors
- Driver Seat Components
- Ducts
- Electrical Components
- Exterior Trim - Fender
- Exterior Trim - Front Door
- Exterior Trim - Pillars
- Exterior Trim - Rear Door
- Exterior Trim - Trunk
- Fender & Components
- Fenders
- Floor
- Floor & Rails
- Frame
- Gaskets & Sealing Systems
- Glass - Front Door
- Glass - Rear Door
- Glass - Windshield
- Glass & Hardware - Back
- Glass, Windows & Related Components
- Glove Box
- Grille
- Grille & Components
- Hardware, Fasteners & Fittings
- Hinge Pillar
- Hood
- Hood & Components
- Horns
- Information Labels
- Inner Structure
- Instrument Panel
- Instrument Panel Components
- Interior Trim - Front Door
- Interior Trim - Pillars
- Interior Trim - Quarter Panels
- Interior Trim - Rear Body
- Interior Trim - Rear Door
- Interior Trim - Roof
- Interior Trim - Trunk
- Labels
- Lid & Components
- Lock & Hardware
- Mirrors
- Outside Mirrors
- Overhead Console
- Passenger Seat Components
- Quarter Panel
- Quarter Panel & Components
- Radiator Support
- Rear Body
- Rear Floor & Rails
- Rear Seat Components
- Rocker Panel
- Roof
- Roof & Components
- Seats
- Sensors
- Side Pillar
- Sound System
- Splash Shields
- Spoiler
- Steering Wheel
- Structural Components & Rails
- Sunroof
- Switches, Solenoids & Actuators
- Tracks & Components
- Trunk Lid & Compartment
- Uniside
- Universal
- Wiper & Washer Components
- ABS Components
- Air Bag Components
- Air Bag System
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Anti-Theft System
- Automatic Transmission
- Battery
- Battery & Related Components
- Battery Cables
- Brackets, Flanges & Hangers
- Communication System Components
- Control Modules
- Controls
- Corner Lamps
- Doors
- Electrical Components
- Electrical Connectors
- Flasher Units, Fuses, & Circuit Breakers
- Fog & Signal Lamps
- Fog Lamps
- Front Door
- Front Seat Belts
- Fuse & Relay
- Gaskets & Sealing Systems
- Glass, Windows & Related Components
- Hardware, Fasteners & Fittings
- Headlamp Components
- Heated Seats
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Information Labels
- Instruments & Gauges
- Keyless Entry Components
- Lane Departure Warning
- License Lamps
- Lighting - Exterior
- Lighting - Instrumentation
- Lighting - Interior
- Mobile Multi-Media
- Parking Aid
- Power Outlets
- Power Seats
- Powertrain Control
- Rear Door
- Rear Seat Belts
- Relays
- Ride Control Components
- Sensors
- Side Marker Lamps
- Signal Lamps
- Starter
- Starter & Related Components
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Tire Pressure Monitor Components
- Wire, Cable & Related Components
- Wiring Harness
- Air Intake
- Brackets, Flanges & Hangers
- Control Modules
- Cylinder Block Components
- Engine
- Engine & Trans Mounting
- Engine Appearance Cover
- Engine Parts
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Mounts
- Sensors
- Turbocharger & Components
- Valve Train Components
- Wire, Cable & Related Components
- A/C Accumulator/Receiver Drier
- A/C Clutch & Compressor
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Automatic Temperature Controls
- Brackets, Flanges & Hangers
- Condenser, Compressor & Lines
- Controls
- Evaporator & Heater Components
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Heater
- Hoses & Pipes
- Information Labels
- Motors, Core, Case & Related Components
- Sensors
- Switches, Solenoids & Actuators
- Temperature Controls & Related Components
- Wire, Cable & Related Components
- Axle & Differential
- Brackets, Flanges & Hangers
- Carrier & Front Axles
- Control Modules
- Drive Shaft
- Hardware, Fasteners & Fittings
- Rear Suspension
- Shocks & Components
- Shocks & Struts
- Stabilizer Bar & Components
- Struts & Components
- Suspension Components
- Suspension Mounting
- Suspension, Springs & Related Components
- Wheels
Browse Categories
Select category
- Aero Ground Effects & Body Kits
- Brackets, Flanges & Hangers
- Bumper
- Bumper & Components - Front
- Bumper & Components - Rear
- Bushings
- Center Console
- Center Pillar & Rocker
- Cluster & Switches
- Console
- Control Cables
- Control Modules
- Cowl
- Dashboard
- Door & Components
- Doors
- Driver Seat Components
- Ducts
- Electrical Components
- Exterior Trim - Fender
- Exterior Trim - Front Door
- Exterior Trim - Pillars
- Exterior Trim - Rear Door
- Exterior Trim - Trunk
- Fender & Components
- Fenders
- Floor
- Floor & Rails
- Frame
- Gaskets & Sealing Systems
- Glass - Front Door
- Glass - Rear Door
- Glass - Windshield
- Glass & Hardware - Back
- Glass, Windows & Related Components
- Glove Box
- Grille
- Grille & Components
- Hardware, Fasteners & Fittings
- Hinge Pillar
- Hood
- Hood & Components
- Horns
- Information Labels
- Inner Structure
- Instrument Panel
- Instrument Panel Components
- Interior Trim - Front Door
- Interior Trim - Pillars
- Interior Trim - Quarter Panels
- Interior Trim - Rear Body
- Interior Trim - Rear Door
- Interior Trim - Roof
- Interior Trim - Trunk
- Labels
- Lid & Components
- Lock & Hardware
- Mirrors
- Outside Mirrors
- Overhead Console
- Passenger Seat Components
- Quarter Panel
- Quarter Panel & Components
- Radiator Support
- Rear Body
- Rear Floor & Rails
- Rear Seat Components
- Rocker Panel
- Roof
- Roof & Components
- Seats
- Sensors
- Side Pillar
- Sound System
- Splash Shields
- Spoiler
- Steering Wheel
- Structural Components & Rails
- Sunroof
- Switches, Solenoids & Actuators
- Tracks & Components
- Trunk Lid & Compartment
- Uniside
- Universal
- Wiper & Washer Components
- ABS Components
- Air Bag Components
- Air Bag System
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Anti-Theft System
- Automatic Transmission
- Battery
- Battery & Related Components
- Battery Cables
- Brackets, Flanges & Hangers
- Communication System Components
- Control Modules
- Controls
- Corner Lamps
- Doors
- Electrical Components
- Electrical Connectors
- Flasher Units, Fuses, & Circuit Breakers
- Fog & Signal Lamps
- Fog Lamps
- Front Door
- Front Seat Belts
- Fuse & Relay
- Gaskets & Sealing Systems
- Glass, Windows & Related Components
- Hardware, Fasteners & Fittings
- Headlamp Components
- Heated Seats
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Information Labels
- Instruments & Gauges
- Keyless Entry Components
- Lane Departure Warning
- License Lamps
- Lighting - Exterior
- Lighting - Instrumentation
- Lighting - Interior
- Mobile Multi-Media
- Parking Aid
- Power Outlets
- Power Seats
- Powertrain Control
- Rear Door
- Rear Seat Belts
- Relays
- Ride Control Components
- Sensors
- Side Marker Lamps
- Signal Lamps
- Starter
- Starter & Related Components
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Tire Pressure Monitor Components
- Wire, Cable & Related Components
- Wiring Harness
- Air Intake
- Brackets, Flanges & Hangers
- Control Modules
- Cylinder Block Components
- Engine
- Engine & Trans Mounting
- Engine Appearance Cover
- Engine Parts
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Mounts
- Sensors
- Turbocharger & Components
- Valve Train Components
- Wire, Cable & Related Components
- A/C Accumulator/Receiver Drier
- A/C Clutch & Compressor
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Automatic Temperature Controls
- Brackets, Flanges & Hangers
- Condenser, Compressor & Lines
- Controls
- Evaporator & Heater Components
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Heater
- Hoses & Pipes
- Information Labels
- Motors, Core, Case & Related Components
- Sensors
- Switches, Solenoids & Actuators
- Temperature Controls & Related Components
- Wire, Cable & Related Components
- Axle & Differential
- Brackets, Flanges & Hangers
- Carrier & Front Axles
- Control Modules
- Drive Shaft
- Hardware, Fasteners & Fittings
- Rear Suspension
- Shocks & Components
- Shocks & Struts
- Stabilizer Bar & Components
- Struts & Components
- Suspension Components
- Suspension Mounting
- Suspension, Springs & Related Components
- Wheels
- Aero Ground Effects & Body Kits
- Brackets, Flanges & Hangers
- Bumper
- Bumper & Components - Front
- Bumper & Components - Rear
- Bushings
- Center Console
- Center Pillar & Rocker
- Cluster & Switches
- Console
- Control Cables
- Control Modules
- Cowl
- Dashboard
- Door & Components
- Doors
- Driver Seat Components
- Ducts
- Electrical Components
- Exterior Trim - Fender
- Exterior Trim - Front Door
- Exterior Trim - Pillars
- Exterior Trim - Rear Door
- Exterior Trim - Trunk
- Fender & Components
- Fenders
- Floor
- Floor & Rails
- Frame
- Gaskets & Sealing Systems
- Glass - Front Door
- Glass - Rear Door
- Glass - Windshield
- Glass & Hardware - Back
- Glass, Windows & Related Components
- Glove Box
- Grille
- Grille & Components
- Hardware, Fasteners & Fittings
- Hinge Pillar
- Hood
- Hood & Components
- Horns
- Information Labels
- Inner Structure
- Instrument Panel
- Instrument Panel Components
- Interior Trim - Front Door
- Interior Trim - Pillars
- Interior Trim - Quarter Panels
- Interior Trim - Rear Body
- Interior Trim - Rear Door
- Interior Trim - Roof
- Interior Trim - Trunk
- Labels
- Lid & Components
- Lock & Hardware
- Mirrors
- Outside Mirrors
- Overhead Console
- Passenger Seat Components
- Quarter Panel
- Quarter Panel & Components
- Radiator Support
- Rear Body
- Rear Floor & Rails
- Rear Seat Components
- Rocker Panel
- Roof
- Roof & Components
- Seats
- Sensors
- Side Pillar
- Sound System
- Splash Shields
- Spoiler
- Steering Wheel
- Structural Components & Rails
- Sunroof
- Switches, Solenoids & Actuators
- Tracks & Components
- Trunk Lid & Compartment
- Uniside
- Universal
- Wiper & Washer Components
- ABS Components
- Air Bag Components
- Air Bag System
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Anti-Theft System
- Automatic Transmission
- Battery
- Battery & Related Components
- Battery Cables
- Brackets, Flanges & Hangers
- Communication System Components
- Control Modules
- Controls
- Corner Lamps
- Doors
- Electrical Components
- Electrical Connectors
- Flasher Units, Fuses, & Circuit Breakers
- Fog & Signal Lamps
- Fog Lamps
- Front Door
- Front Seat Belts
- Fuse & Relay
- Gaskets & Sealing Systems
- Glass, Windows & Related Components
- Hardware, Fasteners & Fittings
- Headlamp Components
- Heated Seats
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Information Labels
- Instruments & Gauges
- Keyless Entry Components
- Lane Departure Warning
- License Lamps
- Lighting - Exterior
- Lighting - Instrumentation
- Lighting - Interior
- Mobile Multi-Media
- Parking Aid
- Power Outlets
- Power Seats
- Powertrain Control
- Rear Door
- Rear Seat Belts
- Relays
- Ride Control Components
- Sensors
- Side Marker Lamps
- Signal Lamps
- Starter
- Starter & Related Components
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Tire Pressure Monitor Components
- Wire, Cable & Related Components
- Wiring Harness
- Air Intake
- Brackets, Flanges & Hangers
- Control Modules
- Cylinder Block Components
- Engine
- Engine & Trans Mounting
- Engine Appearance Cover
- Engine Parts
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Mounts
- Sensors
- Turbocharger & Components
- Valve Train Components
- Wire, Cable & Related Components
- A/C Accumulator/Receiver Drier
- A/C Clutch & Compressor
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Automatic Temperature Controls
- Brackets, Flanges & Hangers
- Condenser, Compressor & Lines
- Controls
- Evaporator & Heater Components
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Heater
- Hoses & Pipes
- Information Labels
- Motors, Core, Case & Related Components
- Sensors
- Switches, Solenoids & Actuators
- Temperature Controls & Related Components
- Wire, Cable & Related Components
- Axle & Differential
- Brackets, Flanges & Hangers
- Carrier & Front Axles
- Control Modules
- Drive Shaft
- Hardware, Fasteners & Fittings
- Rear Suspension
- Shocks & Components
- Shocks & Struts
- Stabilizer Bar & Components
- Struts & Components
- Suspension Components
- Suspension Mounting
- Suspension, Springs & Related Components
- Wheels
Lighting - Exterior for 2026 Cadillac CT4
1
- $1,171.51 CADHeadlamp AssemblyGMCT4. Sport. With led front turn signal. 02/10/20-09/30/20. Right. Premium luxury.
- $1,222.85 CADHeadlamp AssemblyGMCT4. Premium luxury. With led front turn signal. 02/10/20-09/30/20. Left. Sport.
- $2,198.41 CADHeadlight AssemblyGMWithout cornering lamp, without v, 02/09/20 - 11/25/20. CT4. Sport. Without led front turn signal. 10/01/20-11/25/20. Left. Without led front turn signal. 02/10/20-09/30/20. Without led front turn signal. 12/01/20-11/25/20. Luxury.
- $2,198.41 CADHeadlight AssemblyGMWithout cornering lamp, without v, 02/09/20 - 11/25/20. CT4. Sport. Without led front turn signal. 10/01/20-11/25/20. Right. Without led front turn signal. 12/01/20-11/25/20. Luxury. Without led front turn signal. 02/10/20-09/30/20.
6
- $430.57 CADWire HarnessGMWith cornering lamp, without v blackwing, with adaptive cruise, with super cruise.
- $418.43 CADWire HarnessGMWith cornering lamp, without v blackwing, with adaptive cruise, without super cruise.
- $501.78 CADHeadlight Wiring HarnessGMWithout cornering lamp, with adaptive cruise, without super cruise.
- $531.44 CADHeadlight Wiring HarnessGMWithout cornering lamp, with adaptive cruise, with super cruise.
- $500.60 CADHeadlight Wiring HarnessGMWithout cornering lamp, without adaptive cruise.
No.
Part # / Description / Price
Price
1
Headlamp Assembly 
GM
GM Positions: Right
Notes: PARTS: Order by description.
Description: CT4. Sport. With led front turn signal. 02/10/20-09/30/20. Right. Premium luxury.
MSRP $1,828.23 CAD
$1,171.51 CAD
MSRP $1,828.23 CAD
$1,171.51 CAD
1
Headlamp Assembly GM
GM Positions: Left
Notes: PARTS: Order by description.
Description: CT4. Premium luxury. With led front turn signal. 02/10/20-09/30/20. Left. Sport.
MSRP $1,908.32 CAD
$1,222.85 CAD
MSRP $1,908.32 CAD
$1,222.85 CAD
1
Headlamp Assembly GM
GM Positions: Front left
Description: Without cornering lamp, without v, 02/09/20 - 11/25/20. CT4. Sport. Without led front turn signal. 10/01/20-11/25/20. Left. Without led front turn signal. 02/10/20-09/30/20. Without led front turn signal. 12/01/20-11/25/20. Luxury.
MSRP $3,430.73 CAD
$2,198.41 CAD
MSRP $3,430.73 CAD
$2,198.41 CAD
1
Headlamp Assembly GM
GM Positions: Front right
Description: Without cornering lamp, without v, 02/09/20 - 11/25/20. CT4. Sport. Without led front turn signal. 10/01/20-11/25/20. Right. Without led front turn signal. 12/01/20-11/25/20. Luxury. Without led front turn signal. 02/10/20-09/30/20.
MSRP $3,430.73 CAD
$2,198.41 CAD
MSRP $3,430.73 CAD
$2,198.41 CAD
2
Blind Spot Detection System Warning Sensor Bolt GM
GM Positions: Left
Description: Without gxp.
MSRP $9.17 CAD
$6.49 CAD
MSRP $9.17 CAD
$6.49 CAD
4
MSRP $12.27 CAD
$8.68 CAD
6
Wire Harness GM
GM Notes: PARTS: Part number listed is for estimating purposes only. Contact dealer for specific pricing and ordering information.
Description: With cornering lamp, without v blackwing, with adaptive cruise, with super cruise.
MSRP $671.92 CAD
$430.57 CAD
MSRP $671.92 CAD
$430.57 CAD
6
Wire Harness GM
GM Notes: PARTS: Part number listed is for estimating purposes only. Contact dealer for specific pricing and ordering information.
Description: With cornering lamp, without v blackwing, with adaptive cruise, without super cruise.
MSRP $652.97 CAD
$418.43 CAD
MSRP $652.97 CAD
$418.43 CAD
6
Wire Harness GM
GM Positions: Front
Description: Without cornering lamp, with adaptive cruise, without super cruise.
MSRP $783.02 CAD
$501.78 CAD
MSRP $783.02 CAD
$501.78 CAD
6
Wire Harness GM
GM Positions: Front
Description: Without cornering lamp, with adaptive cruise, with super cruise.
MSRP $829.32 CAD
$531.44 CAD
MSRP $829.32 CAD
$531.44 CAD
6
Wire Harness GM
GM Positions: Front
Description: Without cornering lamp, without adaptive cruise.
MSRP $781.22 CAD
$500.60 CAD
MSRP $781.22 CAD
$500.60 CAD