How bright is this bulb?

The SMF2 LED provides 24 lumens of measured output. According to Diode Dynamics, this is 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 kind of warranty does this have?

This Diode Dynamics bulb is backed by an industry-leading three-year replacement warranty. If you have any issues with the bulb, contact Diode Dynamics directly for assistance. Be sure to keep your proof of purchase.

Diode Dynamics

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

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

$6.09

Direct replacement for factory 31mm festoon bulbs. Adds a modern LED look with simple plug-and-play installation.

Key Features

Direct replacement — swaps right in for factory 31mm festoon bulbs
Modern LED appearance — updates the look of your lighting
Plug and play — simple installation
5050-size SMDs — adds more total light output than the factory bulb
Embedded load resistor and implanted diode — for strong reliability
24 lumens of measured output — provides about double the total light compared to your original bulb

⚠️ 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 500 vehicles

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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.