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- Packages: Includes one pair (2pcs) 5730-SMD 4257/4257NA LED turn signal lights bulbs, super bright 12V turn signal lights replacement for auto cars, trucks, motorcycles like 2019-2021 Ford F-150, F-250 Super Duty, F-350 Super Duty front turn signal lights bulbs.
- Features: Equipped with US made IC and capacitors to make it better light performance and current control for longer lifespan.
- LED Chips: Each 4257/4257na LED bulb is equipped with 336pcs high power and high illumination 5730 SMD chipsets.
- Easy fitment: T25 wedge dual fitment bulb, for some vehicles, extra load resistors maybe required to avoid the hyper flash or error code.
- Light Output: Each 4257/4257NA LED turn signal lights bulb light up to 1400 lumens, total 2800 lumens for both 4157 3157 LED bulbs
- Color Options: 6000K xenon white/Amber yellow
- Cross reference number: 4257, 4257NA, 4257NAK, 4257NALL, etc.
- Applications: Used for replacing halogen/incandescent or damaged turn signal lights for better vision and safer driving.
- Lifespan: More than 30,000hrs in 25°C ambient.
6000K White/Amber Yellow
30, 000 hours
LED Chip Type
High illumination 5730 SMD
-20~+40 °C (-4~+104 °F)
Cross Reference Number
4257, 4257NA, 4257NAK, 4257NALL
Alla Lighting warrants that its LED Conversion Kits will be free from defects in material and workmanship for ONE year from the date of purchase by the Original Purchaser. This warranty does not apply to any products that have been subjected to misuse, mishandling, misapplication, neglect (including but not limited to improper maintenance), improper installation, act of nature, motor vehicle accidents or alterations.
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- One pair (2 pieces) 5730-SMD 4257/4257NA LED bulbs (Turn signal lights replacement)
- Well packed in solid box
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I am very pleased with my LED bulbs. I use my vehicle for road construction and the new bulbs are very bright. I have had several people ask I Purchase them. I also have a flash module installed and they work very well with the flashers.