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2 Years Available

Cadillac Xt4 Light Bulb Sizes

Complete bulb size reference for the Cadillac Xt4 from 2019 to 2020. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.

Year Range

2019 – 2020

2 model years

Most Common Low Beam

N/A

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Bulb Sizes Across Years

PositionBulb Type(s)YearsStatus / Shop
Turn Signal Front
7440NA(2020–2020)
7444NA(2019–2019)
2 yearsChanged
Check Price
Parking Light
7444NA(2019–2019)
1 yearsConsistent
Check Price
Reverse Light
921(2019–2019)
1 yearsConsistent
Check Price

Common Xt4 Replacement Parts

Turn Signal Front

7440NA

Parking Light

7444NA

Reverse Light

921

Select Your Year

2020

N/A

2019

N/A
60 SpecialATSAllanteBroughamCT6CTSCTS Coupe & WagonCTS Sedan

Frequently Asked Questions

We have bulb size data for the Cadillac Xt4 from 2019 to 2020, covering 2 model years. Select your year below for a complete position-by-position bulb chart.

No, the Cadillac Xt4 has used the varies low beam bulb consistently across all 2 model years in our database. Any year in the 2019–2020 range uses the same bulb.

The Cadillac Xt4 uses a varies bulb for the low beam. Select your year below for the exact fitment chart.

Yes, you can upgrade your Cadillac Xt4 to LED headlights. Find an LED conversion kit in the correct size for your year — check the chart below for the exact bulb type.

Select your model year from the list below. Each year page shows every bulb position — low beam, high beam, fog light, turn signal, and brake light — with the correct size and a link to buy it on Amazon.