Headlamp Components for 2021 Cadillac CT4
1. Headlamp Assembly 
2. Headlamp Assembly 
3. Right 
4. Left 
5. Headlamp Assembly Bolt 
6. Headlamp Assembly Bolt 
7. Headlamp Assembly Bolt 
8. Right 
9. Headlamp Assembly Bolt 
10. Headlamp Assembly Bolt 
11. Headlamp Assembly Bolt 
12. Headlamp Assembly Bolt 
13. Headlamp Assembly Bolt 
14. Headlamp Assembly Bolt 
15. Cluster 16. Headlamp Assembly Bolt No.
Part # / Description / Price
Price
1
Instrument Cluster 
GM
GM Notes: PARTS: Part number listed is for estimating purposes only. Contact local dealer for specific part and pricing information.
Description: 2.7L, with standard display, labeled 84838619. CT4. 2.7l. Labeled 84875135.
MSRP $667.57 CAD
$509.20 CAD
MSRP $667.57 CAD
$509.20 CAD
1
Instrument Cluster GM
GM Notes: PARTS: Part number listed is for estimating purposes only. Contact local dealer for specific part and pricing information.
Description: CT4. 2.7l. Labeled 84838621.
MSRP $627.52 CAD
$478.65 CAD
MSRP $627.52 CAD
$478.65 CAD
1
Instrument Cluster GM
GM Notes: PARTS: Part number listed is for estimating purposes only. Contact local dealer for specific part and pricing information.
Description: CT4. 2.7l. Labeled 84946573.
MSRP $627.52 CAD
$478.65 CAD
MSRP $627.52 CAD
$478.65 CAD
1
Instrument Cluster GM
GM Notes: PARTS: Part number listed is for estimating purposes only. Contact local dealer for specific part and pricing information.
Description: CT4. 2.7l. Labeled 84946576.
MSRP $672.11 CAD
$512.67 CAD
MSRP $672.11 CAD
$512.67 CAD
1
Cluster GM
GM Notes: PARTS: Part number listed is for estimating purposes only. Contact local dealer for specific part and pricing information.
Description: 2.7L, with standard display, labeled 84946577. 12 color display, labeled 84946577.
MSRP $672.11 CAD
$512.67 CAD
MSRP $672.11 CAD
$512.67 CAD
1
Instrument Cluster GM
GM Notes: PARTS: Part number listed is for estimating purposes only. Contact local dealer for specific part and pricing information.
Description: 2020-24, labeled: 84990185. CT5. Labeled 84990185/84981351.
MSRP $1,090.38 CAD
$831.95 CAD
MSRP $1,090.38 CAD
$831.95 CAD
1
Instrument Cluster GM
GM Notes: PARTS: Part number listed is for estimating purposes only. Contact local dealer for specific part and pricing information.
Description: 2.0L, with color display, labled 86788913. CT5. 2020-24, labeled: 85551863. 2020-24, labeled: 86788913. 2.7L, with color display, labeled 86788913.
MSRP $609.74 CAD
$465.23 CAD
MSRP $609.74 CAD
$465.23 CAD
5
Prk Brake Switch GM
GM Description: 2020-24. XT4. CT4. Parking brake switch. CT5. 2019-23. 2024-25.
MSRP $36.76 CAD
$25.78 CAD
MSRP $36.76 CAD
$25.78 CAD
6
Start Button GM
GM Description: 2020-24, labeled: 13531325. Start/Stop Switch. Stamped #13531325. CT4. CT5.
MSRP $32.29 CAD
$19.37 CAD
MSRP $32.29 CAD
$19.37 CAD
7
Switch GM
GM Description: 2021-24, head-up display. 2020-24, head-up display. With denali, head-up display. 2021-23, head up display. 2022-24, heads-up disp.
MSRP $147.51 CAD
$88.41 CAD
MSRP $147.51 CAD
$88.41 CAD
7
Signal Switch GM
GM Description: CT5. Without auto high beam. CT4. Without rear fog lamps. Without intelligent high beam. Dimmer,Headlight,Turn Signal.
MSRP $85.54 CAD
$48.75 CAD
MSRP $85.54 CAD
$48.75 CAD
9
MSRP $336.81 CAD
$177.05 CAD
9
Acdelco™ Sun Load Temperature Sensor Connector GM
GM Notes: PARTS: Part included with sun load sensor.
MSRP $336.81 CAD
$177.05 CAD
MSRP $336.81 CAD
$177.05 CAD
10
Temp Control GM
GM Description: CT4. Control. Labeled 84910397/84910384. 2020-24, labeled: 84905634.
MSRP $738.42 CAD
$563.26 CAD
MSRP $738.42 CAD
$563.26 CAD
10
Display System GM
GM Description: CT5. CT4. Control. Labeled 84989563/84989556.
MSRP $431.53 CAD
$329.26 CAD
MSRP $431.53 CAD
$329.26 CAD
12
Dash Control Unit GM
GM Description: CT4. CT5. Labeled 84890593/84868689. 2020-24, labeled: 84769885.
MSRP $518.71 CAD
$306.69 CAD
MSRP $518.71 CAD
$306.69 CAD
13
Hazard Switch GM
GM Description: 2020-24, without lane departure. CT4. Without seat heater. Without park assist. Without heated seats, without lane keep.
MSRP $89.56 CAD
$51.03 CAD
MSRP $89.56 CAD
$51.03 CAD
13
Hazard Switch GM
GM Description: Without heated seats, with lane keep. 2020-24, with lane departure. CT4. Without seat heater. With park assist. With lane keep assist. All.
MSRP $109.25 CAD
$60.65 CAD
MSRP $109.25 CAD
$60.65 CAD
13
Control Switch Assembly GM
GM Description: CT4. With seat heater. With vented seat. Without 360 view.
MSRP $189.43 CAD
$105.11 CAD
MSRP $189.43 CAD
$105.11 CAD
13
Hazard Switch GM
GM Description: 2025-26, without lane departure. With heated seats, with vented seats, without lane keep.
MSRP $183.49 CAD
$101.83 CAD
MSRP $183.49 CAD
$101.83 CAD
13
Control Switch Assembly GM
GM Description: CT4. With seat heater. With value added cockpit. Without park assist. With heated seats, without vented seats, without lane keep.
MSRP $136.85 CAD
$75.92 CAD
MSRP $136.85 CAD
$75.92 CAD
13
Control Switch Assembly GM
GM Description: CT4. With seat heater. Without value added cockpit. Without near obstacle detect. With heated seats, without vented seats, with lane keep.
MSRP $123.81 CAD
$68.71 CAD
MSRP $123.81 CAD
$68.71 CAD
13
Hazard Switch GM
GM Description: CT4. With seat heater. With 360 view. CT5. With surround view, with vented seats.
MSRP $210.22 CAD
$115.10 CAD
MSRP $210.22 CAD
$115.10 CAD
13
Control Switch Assembly GM
GM Description: CT4. With seat heater. Without 360 view. With surround view, without vented seats.
MSRP $183.62 CAD
$101.91 CAD
MSRP $183.62 CAD
$101.91 CAD
14
Body Control Module GM
GM Notes: PARTS: Part number listed is for estimating purposes only. Contact local dealer for specific part and pricing information.
MSRP $200.90 CAD
$121.01 CAD
MSRP $200.90 CAD
$121.01 CAD
