How bright is this bulb?

The SMF2 LED provides 24 lumens of light output. According to Diode Dynamics, that's about twice the total light compared to your original 31mm-sized bulb. This provides a noticeable improvement in brightness.

What if the bulb fails?

This Diode Dynamics bulb is backed by a three-year replacement warranty. If you have any issues with the bulb, contact Diode Dynamics for assistance.

Diode Dynamics

Diode Dynamics 31mm SMF2 LED Bulb - Blue (Single)

Name: Diode Dynamics 31mm SMF2 LED Bulb - Blue (Single)
Brand: Diode Dynamics
Price: 6.09 USD
Availability: InStock

$6.09

Direct replacement for your factory 31mm festoon bulb. Adds a modern LED appearance.

Key Features

Direct replacement — swaps right in for the factory 31mm festoon bulb
Modern look — adds a more up-to-date LED appearance
Simple install — plug and play
24 lumens — about twice the light of your original bulb
Available in multiple colors — choose from blue, red, amber, green, cool white (6000K), and warm white (3000K)
Embedded load resistor and implanted diode — for solid reliability

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

Will this fit your vehicle?

Compatible with 1114 vehicles

Need Help?

631-982-0042

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Since 1957

Family-owned

Product Details

The 31mm SMF2 LED bulb is a direct replacement for any 31mm-size bulb commonly found in vanity mirror lights in many vehicles. The SMF2 upgrades the factory yellowish incandescent bulb to a more modern LED appearance with increased output.