921 Light Bulb


The 921 automotive light bulb is a popular choice for many vehicles and is designed to provide bright and reliable lighting. This bulb is commonly used in a variety of applications, including dome lights, map lights, trunk lights, and license plate lights.


The 921 light bulb family is interchangeable with the following bulbs

One of the key specifications of the 921 bulb is its brightness, which is measured in lumens. This bulb typically produces around 300 lumens, making it an ideal choice for many automotive lighting applications. In terms of wattage, the 921 bulb typically uses around 18 watts of power.

The dimensions of the 921 bulb are also an important consideration when choosing a replacement bulb. This bulb typically measures around 1.25 inches in length and 0.5 inches in diameter, making it a compact and versatile option for many different types of fixtures.

One of the advantages of the 921 bulb is that it is interchangeable with other bulbs that have the same base type, such as the 912 or 906 bulbs. This makes it easy to find a replacement bulb if needed, and also allows for greater flexibility when choosing a bulb for a specific application.

In terms of installation, the 921 bulb is typically used in a variety of positions throughout a vehicle. This includes dome lights, which are located on the ceiling of the car and provide general illumination for the interior. Map lights, which are typically located on the dashboard or overhead console, are also a common application for the 921 bulb. Other positions where this bulb may be used include trunk lights and license plate lights.