What size is this bulb?

This LED bulb is a direct replacement for any 31mm-size bulb. These are commonly found in vanity mirror lights in many vehicles. Refer to your vehicle's owner's manual to confirm the bulb size for your application.

How bright is this bulb?

The SMF2 LED puts out 24 lumens of light. That's about double the total light compared to your original 31mm-sized bulb. It will provide a noticeable increase in brightness.

What is the warranty on this bulb?

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

Diode Dynamics

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

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

$12.24

Modernize your vehicle's lighting with these direct-replacement LED bulbs. Simple plug-and-play installation.

Key Features

Direct replacement — swaps right in for factory 31mm festoon bulbs
Modern LED appearance — cleaner, brighter light
Plug and play — simple installation
24 lumens output — about twice the light of the original bulb
Constant-current circuitry — long-lasting and reliable
Transient suppression — protects against voltage spikes

⚠️ 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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Since 1957

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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.