Used for: Fog Light Bulb Front, Headlight Bulb Low Beam, Daytime Running Light Bulb
Used for: Fog Light Bulb Front
Used for: Headlight Bulb High Beam
Used for: Headlight Bulb High Beam and Low Beam
Used for: Back Up Light Bulb Inner
Used for: Back Up Light Bulb Outer
Used for: Brake Light Bulb, Tail Light Bulb, Turn Signal Light Bulb Rear
Used for: Parking Light Bulb, Turn Signal Light Bulb Front
Used for: Side Marker Light Bulb Front, Courtesy Light Bulb
Used for: Stepwell Light Bulb
Used for: Check Engine Light Bulb, High Beam Indicator Light Bulb, Instrument Panel Light Bulb, Parking Brake Indicator Light Bulb, Turn Signal Indicator Light Bulb
Used for: Glove Box Light Bulb
Used for: Trunk or Cargo Area Light
This 2021 Jeep Grand Cherokee bulb size page helps you verify the correct bulbs by lighting position, so you can match the right part before you buy. Whether you are replacing a headlight, tail light, license plate light, or a small interior lamp, checking the exact location is the easiest way to avoid ordering the wrong bulb.
Bulb fitment can vary by trim, lighting package, market, and body style, so the same model year may use different bulb types in different positions. Use this page as a position-by-position reference for the 2021 Jeep Grand Cherokee and compare it with the bulb already installed in your vehicle when possible.
For the best fit, always confirm whether your Grand Cherokee uses halogen or LED equipment in the area you are servicing, since some positions may be LED while others still use replaceable bulbs. Aftermarket LED conversions can also change beam pattern, brightness, and warning behavior, especially in headlight and fog light applications. If you are unsure, remove the old bulb and check the base style and markings before purchasing, and remember that trim and package differences can affect the final fitment.
The listed headlight options for the 2021 Jeep Grand Cherokee include D3S for the combined high beam and low beam setup, H11 for low beam, and H9 for high beam, depending on the vehicle's equipment.
The front fog light bulb is listed as H11, with an H11 LED option also shown for some setups.
The daytime running light bulb is listed as H11 on the 2021 Jeep Grand Cherokee.
The brake light bulb, tail light bulb, and rear turn signal light bulb are all listed as 3157 on this page.
Both the front turn signal light bulb and the parking light bulb are listed as 7444NA.
The license plate light bulb is listed as LED for the 2021 Jeep Grand Cherokee.
The front side marker light bulb is listed as LED, 168, while the rear side marker light bulb is listed as LED. Check the installed bulb before ordering if your trim differs.
The inner backup light bulb is listed as 921, and the outer backup light bulb is listed as 7440.
The courtesy light bulb is listed as 168, the glove box light bulb as 194, the stepwell light bulb as 906, and the trunk or cargo area light as 214-2.
The instrument panel light bulb, turn signal indicator light bulb, high beam indicator light bulb, parking brake indicator light bulb, and check engine light bulb are all listed as 74.
Yes. Trim, lighting package, market, and body style can change the bulb type in certain positions, especially on exterior lighting and LED-equipped models.
Yes. Checking the installed bulb is one of the safest ways to confirm fitment, especially when the page lists more than one bulb type for a position or when the vehicle may have been modified.
