31mm SMF6 LED Bulb Green Single Diode Dynamics

31mm SMF6 LED Bulb Green Single Diode Dynamics

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Design. The 31mm SMF6 LED bulb is a direct replacement for any 31mm-size bulb, commonly found in map lights, dome lights, and trunk lights in many vehicles. Populated with six 5050-size SMDs, the SMF6 upgrades the factory yellowish incandescent bulb to a more modern LED appearance, while adding far more light output than the factory bulb. The SMF6 was designed with an embedded load resistor and implanted diode for superior reliability. With its durable metal terminals, it will fit snugly in the socket, and its light weight means it won't vibrate loose over time.

Reliability. Unlike other bulbs on the market, this bulb is built with constant-current circuitry, along with transient suppression. That means this bulb will last for years, not months, with no flickering or failure. And like every Diode Dynamics product, it's backed by an industry-leading three-year replacement warranty.

Brightness. With 98 lumens of true, measured output, the SMF6 LED will provide far more light output than your original 31mm-sized bulb. All Diode Dynamics LED lighting is rated with accurate, measured lumen figures, not calculations or guesses. We test the true output in-house, and provide you the real numbers to compare.

Colors. The SMF6 is available in amber and green. If you are looking for additional color options, we'd recommend checking out our HP6 option!

Experience. After over a decade in business, Diode Dynamics is the most trusted name in automotive LED lighting. Unlike every other LED distributor, we manufacture and engineer products ourselves in the United States, for high quality and fast time-to-market of the newest and brightest LED technologies. We pride ourselves in offering only quality LED products, that will exceed your expectations.

  • 31mm SMF6 LED Green Single
  • Direct replacement for factory 31mm festoon bulb
  • Increased output with LED appearance
  • Plug and play, simple installation


  • This festoon style bulb is used in the map light, dome light, and trunk light location on many vehicles

What's Included

  • Quantity: Single
  • Warranty: 3 year warranty
  • Return Policy: 30-day Return with no restocking fee
  • 100 percent Satisfaction Guarantee


  • Replacement for any 31mm festoon bulb size, including 3022, 3175 DE3022, 6428, DE3021, 7065, DE3175, DE3022LL, DE3021LL, DE3175LL
  • Plug and play, no modification needed
  • Bulb Size: 31mm Festoon
  • Application: Map Light, Dome Light, Trunk/Cargo Light


  • Measured Lumens: 98
  • Beam Angle: Omnidirectional (270 degrees)
  • Power (watts): 1.24
  • Operating Voltage: 9-16V
  • Current (amps at 13.2V): 0.094
  • Polarity: Polarity
  • Specific Operating Temperature: -40C to 85C (-40F to 185F)
  • Connector(s): OEM-Size Plug and Play

SKU: DD0074S