How many bulbs are included in this kit?

This kit includes a set of four LED bulbs. This is enough to replace the bulbs in both vanity mirrors in most vehicles. Some vehicles may have additional 28mm bulbs in other locations.

What is the warranty on these bulbs?

Diode Dynamics backs these bulbs with a three-year replacement warranty. If you have any issues with the bulbs, contact Diode Dynamics directly for assistance. The constant-current circuitry ensures these bulbs will last for years, not months, with no flickering or failure.

Diode Dynamics

Diode Dynamics 28mm SMF2 LED Bulb - Red Set of 4

Name: Diode Dynamics 28mm SMF2 LED Bulb - Red Set of 4
Brand: Diode Dynamics
Price: 24.52 USD
Availability: InStock

$24.52

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 modern look
Plug and play — simple installation
Constant-current circuitry — lasts for years, not months, with no flickering or failure
24 lumens — provides about double the total light compared to your original 28mm-sized bulb
Durable metal terminals — fits snugly in the socket and 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 193 vehicles

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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.