Used for: Back Up Light Bulb(Sedan, with Bi-LED headlights)
Used for: Brake Light Bulb, Tail Light Bulb
Used for: License Plate Light Bulb, Map Light Bulb, Trunk or Cargo Area Light
Used for: License Plate Light Bulb, Map Light Bulb, Trunk or Cargo Area Light
Used for: Parking Light Bulb(Sedan, with Bi-LED headlights), Turn Signal Light Bulb Front(Sedan, with Bi-LED headlights)
Used for: Side Marker Light Bulb Front
Used for: Side Marker Light Bulb Rear(Sedan, with multi LED headlights)
Used for: Turn Signal Light Bulb Front(Sedan, with multi LED headlights), Turn Signal Light Bulb Rear(Sedan, with Bi-LED headlights)
Used for: Turn Signal Light Bulb Rear(Sedan, with multi LED headlights)
Used for: Dome Light Bulb
Used for: Vanity Mirror Light Bulb
Used for: Vanity Mirror Light Bulb
This 2021 Toyota Corolla bulb size guide helps you verify the correct bulb by lighting position, so you can match the right part before you buy. Because Corolla lighting can vary by trim, body style, and package, the exact bulb used for a given lamp may differ between sedan and other configurations.
On this page, you can check common exterior and interior bulb locations for the 2021 Corolla, including headlights, fog lights, brake lights, turn signals, license plate lights, map lights, dome lights, and more. Use the bulb chart to confirm the fitment for the specific light on your vehicle rather than relying on a single bulb number for the whole car.
Fitment can change with trim level, lighting package, and market, so always compare the bulb chart with the lamp on your vehicle. Some 2021 Corolla models use factory LED lighting in several positions, while others may use replaceable bulbs such as 7443, 7444NA, 7440A, 7440, 921, 168, 194, 7441, 168NA, DE3175, or 7443A depending on location and configuration. If you are considering an aftermarket LED conversion, make sure the bulb base, polarity, and physical clearance are compatible with the housing. The safest approach is to inspect the installed bulb before ordering, especially on sedan models with Bi-LED headlights or multi LED headlights where front and rear signal or parking bulb fitment can differ.
The chart lists the 2021 Toyota Corolla headlight high beam and low beam as LED. That means the headlight bulb is not a standard replaceable halogen bulb on those listed applications.
For some listed applications, yes. The chart shows both the brake light bulb and the tail light bulb as 7443 on certain configurations, while other lighting setups may use LED modules instead.
The front fog light bulb is listed as LED. If your Corolla has factory fog lights, confirm the exact lamp style before ordering replacement parts.
The license plate light bulb is listed as 168 or 917. These are common small wedge-style bulbs used in the rear license plate lamp housing.
The map light bulb is listed as 168 or 917. This applies to the overhead reading lights in the cabin where that bulb type is used.
The dome light bulb is listed as DE3175. This is the bulb size shown for the interior dome lamp on the chart.
Yes. Sedan versions with Bi-LED headlights and sedan versions with multi LED headlights can use different turn signal bulb sizes. The chart lists front and rear signal bulbs separately for those configurations.
For sedan models with Bi-LED headlights, the front turn signal bulb is listed as 7444NA.
For sedan models with multi LED headlights, the front turn signal bulb is listed as 7440A.
The chart lists the back up light bulb for sedan models with Bi-LED headlights as 921.
In some locations, yes, but you should verify the bulb base, connector style, and available space first. Factory LED assemblies and bulb-style lamps are not always interchangeable.
Because trim and lighting package differences can change the bulb used in a specific position. Checking the installed bulb helps avoid ordering the wrong part, especially when the chart shows multiple possible bulb types for the same model year.
