What size is this bulb?

This Diode Dynamics LED bulb is a direct replacement for any 28mm-size bulb. These are commonly found in vanity mirror lights in many vehicles.

How bright is this bulb?

The SMF1 LED has a measured output of 16 lumens. This provides similar light output to your original 28mm-sized bulb. If you are looking for increased output, Diode Dynamics recommends the SMF2 option.

What does the warranty cover?

Diode Dynamics backs this bulb with a three-year replacement warranty. The constant-current circuitry and transient suppression ensure the bulb lasts for years, not months, without flickering or failure.

Diode Dynamics 28mm SMF1 LED Bulb - Amber (Pair)

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Diode Dynamics

Diode Dynamics 28mm SMF1 LED Bulb - Amber (Pair)

Name: Diode Dynamics 28mm SMF1 LED Bulb - Amber (Pair)
Brand: Diode Dynamics
Price: 8.14 USD
Availability: InStock

$8.14

Direct replacement for factory 28mm festoon bulbs. Adds a modern LED appearance with simple plug-and-play installation.

Key Features

Direct replacement — fits factory 28mm festoon bulb sockets
LED appearance — adds a more modern look
Plug and play — simple installation
Constant-current circuitry — prevents flickering and failure
Transient suppression — protects against voltage spikes
16 lumens output — similar light output to your original 28mm-sized 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 207 vehicles

Need Help?

631-982-0042

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Since 1957

Family-owned

Product Details

The 28mm SMF1 LED bulb is a direct replacement for any 28mm-size bulb commonly found in vanity mirror lights in many vehicles. The SMF1 upgrades the factory yellowish incandescent bulb to a more modern LED appearance.