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Cadillac Escalade 2021 Bulb Size
Bulb size chart
Headlight Bulb High Beam and Low Beam - LED
Back Up Reverse Light Bulb - LED
Brake Light Bulb - LED
Center High Mount Stop Light Bulb - LED
Daytime Running Light Bulb - LED
License Plate Light Bulb - 2825, 98
Parking Light Bulb - LED
Side Marker Light Bulb Front - LED
Side Marker Light Bulb Rear - LED
Tail Light Bulb - LED
Turn Signal Light Bulb Front - 7440A
Turn Signal Light Bulb Rear - LED
Dome Light Bulb - LED
Interior Door Light Bulb - LED
Map Light Bulb - LED
Trunk or Cargo Area Light - LED
2825 Bulbs
Used for: License Plate Light Bulb
98 Bulbs
Used for: License Plate Light Bulb
7440A Bulbs
Used for: Turn Signal Light Bulb Front
This 2021 Cadillac Escalade bulb size page is designed to help you verify the correct bulb type by lighting position, so you can match the right replacement before you buy. Because the Escalade uses different lighting setups depending on trim, market, and body style, checking the exact location matters just as much as checking the model year.
For the 2021 Cadillac Escalade, many exterior and interior lights are listed as LED from the factory, while some positions still use replaceable bulbs such as the front turn signal and license plate lights. Use this page as a position-by-position reference for headlight, brake, reverse, cargo, dome, map, door, marker, and other lighting points on the vehicle.
Fitment can vary by trim package, lighting package, and region, so it is smart to confirm the installed bulb before ordering. Some 2021 Escalade lighting positions are LED modules rather than simple replaceable bulbs, and aftermarket conversions may not match the original beam pattern, brightness, or error-checking system. If your vehicle has been modified, or if you are unsure whether a lamp is LED or halogen-style in a specific location, inspect the existing bulb or assembly first and compare it with the chart before purchase.
FAQ
What bulb does the 2021 Cadillac Escalade use for the front turn signal?
The front turn signal light bulb is listed as 7440A for the 2021 Cadillac Escalade.
What bulb fits the license plate light on a 2021 Escalade?
The license plate light bulb is listed as 2825, 98 for this model year.
Are the 2021 Cadillac Escalade headlights replaceable bulbs?
The headlight high beam and low beam are listed as LED. In many cases, that means the light source is part of an LED system rather than a standard halogen bulb.
Does the 2021 Escalade use LED bulbs for the brake lights?
Yes. The brake light bulb is listed as LED on this page.
What about the tail lights and daytime running lights?
Both the tail light bulb and the daytime running light bulb are listed as LED for the 2021 Cadillac Escalade.
Are the rear turn signals LED on this vehicle?
Yes. The rear turn signal light bulb is listed as LED.
What bulb is used for the reverse lights?
The back up reverse light bulb is listed as LED.
Which interior lights are covered on this page?
This page includes LED listings for the trunk or cargo area light, dome light, map light, and interior door light.
Are the side marker lights LED on the 2021 Escalade?
Yes. Both the front side marker light bulb and rear side marker light bulb are listed as LED.
Do trim levels affect bulb fitment on the 2021 Cadillac Escalade?
Yes. Trim and lighting package can change the exact lighting setup, so it is important to verify the bulb position and compare it with the vehicle’s installed part.
Can I replace an LED light with an aftermarket halogen bulb?
Usually not in a direct, plug-and-play way. LED-equipped positions may use a dedicated module or assembly, and swapping to a different bulb type can cause fitment, warning, or beam pattern issues.
What should I check before buying replacement bulbs for my Escalade?
Check the installed bulb, confirm the exact lighting position, and compare it with the bulb chart for your 2021 Cadillac Escalade. This is especially important if the vehicle has optional lighting equipment or has been modified.