Factory headlight setup not identified

2023 Cadillac XT4 Bulb Sizes & Lighting Guide

Available exterior and interior bulb sizes for the 2023 Cadillac XT4. Primary-headlight fitment remains unknown.

Source-listed fitment data supplied by CarBulbGuide. Confirm the installed bulbs and configuration before ordering.

Low beam
Not listed
High beam
Not listed
Factory setup
Factory headlight setup not identified
Representative SUV or crossover image for 2023 Cadillac XT4
Representative SUV or crossover image

Other bulbs

Available exterior and interior lighting data for this model year.

Front Turn Signal
7443Verify installed bulb
Parking Light
7443Verify installed bulb
Reverse Light
921Verify installed bulb

Each model year opens its own BulbFacts record. Bulb sizes and factory systems are not carried over from adjacent years.

Fitment note: Verify the installed bulb, connector, housing, and factory system before ordering. A bulb-size match is not automatically a conversion recommendation or proof of vehicle-specific testing.