What size is this bulb?

This LED bulb is a direct replacement for any 28mm-size bulb. These are commonly found in vanity mirror lights in many vehicles. Check your vehicle's manual to confirm the bulb size.

How much brighter is this compared to the factory bulb?

The SMF2 LED provides 24 lumens of measured output. This is about double the total light compared to your original 28mm-sized bulb. All Diode Dynamics LED lighting is rated with accurate, measured lumen figures.

What is the warranty on this bulb?

Diode Dynamics backs this bulb with a three-year replacement warranty. If you have any issues with the bulb, contact Diode Dynamics for a replacement. This shows their confidence in the product's reliability.

Diode Dynamics

Diode Dynamics 28mm SMF2 LED Bulb - Red (Pair)

Name: Diode Dynamics 28mm SMF2 LED Bulb - Red (Pair)
Brand: Diode Dynamics
Price: 12.24 USD
Availability: InStock

$12.24

Direct replacement for 28mm festoon bulbs, commonly found in vanity mirrors. Adds a modern LED look.

Key Features

Direct replacement — fits factory 28mm festoon bulb sockets
Modern LED appearance — upgrades the factory yellowish incandescent bulb
Simple installation — plug and play
More light — far more total light output than the factory bulb
Durable metal terminals — fits snugly in the socket
Light weight — 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 218 vehicles

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Since 1957

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Product Details

The 28mm SMF2 LED bulb is a direct replacement for any 28mm-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.