iJDMTOY 168 194 DE3175 6418 211-2 LED Bulbs Frequently Asked Questions

In perfect condition, LED bulbs can last up to 50,000 working hours. However, a combination of various factors such as heat, voltage/current, weather, vehicle application, and other external factors can shorten the lifespan of the LED. To add up all these factors into consideration, a LED bulb can still last in average 20,000 working hours instead.

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We have a variety of colors to choose from (White, Blue, Red, Green, Purple, etc), but we highly recommend getting Xenon White for the color. Xenon White is also the brightest color that is available.

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For interior use, there is no restrictions at all. However, for exterior use, we recommend that you double check with your local and state laws first. Below are some known legal color and use:

Front of vehicle
Amber/Yellow
White

Rear of vehicle
Red
Amber/Yellow
White (license plate)

These are the colors that are typically considered safe to use, but we still recommend checking with your local and state laws prior to purchasing the lights. Most our products are considered for "off-road" use.

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All The T10/T15 bulbs are part of the miniature wedge LED bulb family.

A T10 bulb size is equivalent to the industry standard bulb sizes such as: 168, 194, 175, 2825, 2827, W5W, etc. These are standard bulb sizes that typically fit in the side marker, license plate, parking light, and all interior lights.

A T15 bulb size is equivalent to the industry standard bulb sizes such as: 921, 906, 912, etc. These bulbs are typically used for backup reverse lights.

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These lights are known as “festoon” type bulbs which are bulbs with metal ends on either end. These are commonly used for interior lights for most vehicles.

D31 bulbs are 31mm/1.25″ and can be cross-referenced to a DE3175, DE3022, and DE3021 bulb size. These are typically used for the interior lights for most Japanese vehicles.

D36 bulbs are 36m/1.5″ and can be cross-referenced to a 6418, 6411, C5W, DE3425, and DE3423 bulb size. These are typically used for the interior lights for most European vehicles and some Korean vehicles. These can be also used for license plate lights for European, American, and Korean vehicles.

D42 bulbs are 42mm/1.72″ and can be cross-referenced to a 578, 211-2, 212-2, and 579 sized bulb. These are typically used for interior lights for American vehicles.

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Most LED bulb are polar sensitive or we say have polarity. It means you need to match the LED bulb's positive with the 12V power positive otherwise the LED bulb will not light up.

For more detail about the polarity, please check this picture.

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