Diode Dynamics 39mm SMF2 LED Bulb - Red (Pair)

The Diode Dynamics 39mm SMF2 LED bulb is a direct replacement for any 39mm festoon bulb. It is commonly found in door lights, dome lights, and trunk lights. This LED bulb upgrades the factory incandescent bulb to a more modern appearance. It features constant-current circuitry and transient suppression for enhanced reliability.

Designed for durability, the SMF2 has durable metal terminals that fit snugly in the socket. It offers 24 lumens of measured output, providing slightly more light than a standard 39mm bulb. The SMF2 is available in cool white (6000K), warm white (3000K), and vibrant colors like blue, red, and green. Diode Dynamics backs this bulb with an industry-leading three-year replacement warranty.