Full LED Headlights Pair w/ Cornering Lamp for Cadillac CT4 (2020-2025)

Replace cracked or hazy headlights on your 2020-2025 CT4 with this brand-new full LED pair with cornering lamp (9-pin connector).

Fitment

Will NOT fit: Models without cornering lamps; CT4-V Blackwing (different fascia procedure, verify).

Common Reasons to Replace

• Yellowed, hazy, or oxidized lenses reducing light output
• Cracked lens or broken mounting tabs
• Moisture or condensation inside the housing
• Collision damage

Specs

• Low/high beam, DRL, turn: built-in LED
• Cornering lamp: Yes
• Connector: 9-pin
• DOT compliant
• Quantity: Pair (Left + Right)
• Condition: New

Interchange Part Numbers

OEM: 84977278, 84968428, 84752916, 84811005, 84858233, 84895449, 84968429. Partslink: .

What's Included

• 1 x Driver side headlight assembly
• 1 x Passenger side headlight assembly
• Left and right headlights

Installation

1. Remove the front bumper fascia per GM service information "Front Bumper Fascia Replacement" (non-Blackwing): wheel-liner fasteners, lower and upper fascia fasteners, unplug harnesses.
2. Remove the four headlamp bolts and pull the lamp forward.
3. Disconnect the headlamp electrical connector(s) and remove the lamp.
4. Install the new lamp, tighten the bolts to 2.5 N·m (22 lb-in), reconnect, reinstall the fascia and aim the headlights.

Steps compiled from GM service information "Front Headlamp Replacement" (2020+ Cadillac CT4) via LEMON Manuals. Professional installation and headlight aiming are recommended.

FAQs

Will these fit a CT4 without cornering lamps?
No. For 9-pin cornering-lamp models.

Do I need to aim them?
Yes. GM calls for aiming after replacement.

Do I need to remove the front bumper to replace these headlights?
Yes. GM's procedure removes the front bumper fascia first.

Can I install HID or LED kits?
Not applicable. The low and high beams are built-in factory LED; there is no replaceable headlight bulb for an LED or HID kit.