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The 3156/3157 Underground lighting tail light bulb is manufactured with four side illumination and a projector lens on top increasing the overall brightness. The aluminum housing distributes heat evenly to maximize the lifespan of the bulb. And the best part is that these bulbs are plug and play so installation is quick and simple.
Illumination. All Underground Lighting LEDs are rated with accurate lumen figures, never calculations or guesses. We test the true output, and provide you with real numbers to compare. At 500 lumens, the Underground Lighting red tail light LED will provide more total light output than a factory incandescent bulb.
Dependability. Unlike other bulbs on the market, this bulb is built with the latest updated aluminum circuit board for quick heat dissipation and better LED chip protection to ensure durability. This bulb will last for years, rather than months, with no flickering or failure. And like every Underground Lighting product, it's backed by our industry-leading two-year replacement warranty.
Expertise. After over a decade in business, Underground Lighting is one of the most trusted names in automotive lighting. We design and manufacture all of our own products to meet our strict quality standards. We pride ourselves in having a knowledgeable staff to deliver superior service that will exceed your expectations. Please contact us if you'd like to discuss your lighting needs.
Please Note: 3157 CAN REPLACE 3156, BUT 3156 CANNOT REPLACE 3157.
Really these are are just a bit brighter than 3157/4157K's. That stated, I'm having trouble with hyper flash and that's with using 50w risisters. Probubly not worth returning as well, we'll eventually go back to incandesent if the problem persists.
These do not have any resistors built in so they will hyper flash they are for a brake light not for a brake/turn signal.
Fort hat application you want these: