Used for: Back Up Reverse Light Bulb
Used for: Brake Light Bulb, Tail Light Bulb Outer
Used for: License Plate Light Bulb, Dome Light Bulb, Map Light Bulb
Used for: License Plate Light Bulb
Used for: Side Marker Light Bulb Rear
Used for: Stepwell Light Bulb
Used for: Tail Light Bulb Inner
Used for: Turn Signal Light Bulb Rear
Used for: Glove Box Light Bulb
Used for: Vanity Mirror Light Bulb
This 2021 Toyota Sequoia bulb size guide helps you verify the correct bulbs by lighting position, so you can replace only the lamp you need with confidence. Whether you are checking the headlights, interior lights, or rear signal lamps, this page is organized to make fitment easier for the 2021 Toyota Sequoia.
The Sequoia uses a mix of LED and traditional bulb types depending on the location, and that can make replacement confusing if you do not match the bulb to the exact position. Use this page to confirm the bulb size for each light on the vehicle before ordering parts.
Fitment can vary by trim, lighting package, market, and body style, so it is smart to compare the bulb list with the lamp on your specific Sequoia before buying. Some exterior functions on the 2021 Toyota Sequoia are LED assemblies, while others use replaceable bulbs, and aftermarket LED conversions may not fit or perform the same way as the factory setup. If you are replacing a bulb, check the installed bulb number or the housing label first, especially for positions that may differ between halogen-style replacement bulbs and factory LED units. When in doubt, remove the old bulb and match it directly before purchase.
The 2021 Toyota Sequoia uses LED lighting for the headlight high beam and low beam functions. Because these are listed as LED, the bulb or module may not be a simple replaceable halogen bulb.
The front fog light bulb is listed as LED on the 2021 Toyota Sequoia. Check the exact lamp assembly before ordering, since LED fog lights are often part of a sealed unit.
The back up reverse light bulb size is 921.
The license plate light bulb sizes listed for the 2021 Toyota Sequoia are 168 and 917.
Both the dome light and map light bulb sizes are listed as 168.
The rear brake light bulb size is 7443R.
The outer tail light bulb size is 7443R.
The inner tail light bulb size is 194.
The rear turn signal light bulb size is 7440A.
The rear side marker light bulb size is 7443.
The front side marker light bulb is listed as LED.
No. Trim level, lighting package, market, and body style can change the bulb setup, especially on LED-equipped exterior lamps.
Sometimes, but fitment and performance can vary. Aftermarket LED conversions may not match the factory housing, beam pattern, or electrical requirements.
Check the bulb position on the vehicle, compare it with the bulb size listed for the 2021 Toyota Sequoia, and verify the installed bulb before purchasing if possible.
