What size are these bulbs?

These Diode Dynamics SMF2 LED bulbs are 31mm in size. They are designed as a direct replacement for any 31mm festoon bulb, commonly found in vanity mirror lights in many vehicles. They will fit snugly in the socket due to their durable metal terminals.

How bright are these LED bulbs?

The Diode Dynamics SMF2 LED bulbs have a measured output of 24 lumens. This provides about double the total light compared to your original 31mm-sized bulb. All Diode Dynamics LED lighting is rated with accurate, measured lumen figures.

What is the warranty on these bulbs?

Diode Dynamics backs these SMF2 LED bulbs with a three-year replacement warranty. These bulbs are built with constant-current circuitry and transient suppression, which helps them last for years without flickering or failure.

Diode Dynamics

Diode Dynamics 31mm SMF2 LED Bulb - Green (Pair)

Name: Diode Dynamics 31mm SMF2 LED Bulb - Green (Pair)
Brand: Diode Dynamics
Price: 12.24 USD
Availability: InStock

$12.24

Modernize your lighting with these green Diode Dynamics LEDs. Direct replacement for 31mm festoon bulbs.

Key Features

Direct replacement — fits right in place of factory 31mm festoon bulbs
Modern LED appearance — updates your vehicle's look
Plug and play — simple installation
24 lumens of measured output — twice the light of your original bulb
Durable metal terminals — fits snugly in the socket
Lightweight design — won't vibrate loose over time

⚠️ 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 345 vehicles

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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.