There are two type 3157 socket used in U.S. standard socket and CK sokcet , the incandescent bulb can work on both type . But led bulb only work for one type , our bulb come with standard base only work for standard socket ,not for ck socket. If you are not sure your socket type ck or standard , please use the keyword (CK or Standard Test) on youtube ,the video will show you how to test the socket.(please check before you place the order , Our bulbs come with Standard Base, NOT CK Type, put standard bulbs into CK type sockets ， the bulb may POP THE FUSE OR BULB BURNT OUT IN COUPLE DAYS ,please do not leave one star review if you bought the worng type , we accept 30 days return)

Warning!!!…Don’t be fooled by the fake seller and counterfeit product!!)… JDM ASTAR is the Amazon registered brand . We never authorize other seller to sell our products… Please check the seller name before you place the order… Select the JDM ASTAR instead of others who list here not identical product by lowering prices only a little to take advantage of the reputation built by JDM ASTAR . The counterfeit bulb using the cheap ,dim and low quality led chips and doesn’t even have driving IC and resistor, the bulb burnt out soon . It not safe.

Product Features

  • (Set of 2 Bulbs) 78-pieces EX SMD LEDs per bulb. Buy with confidence! We offer “ONE YEAR” warranty on item(s) damaged during delivery or have a confirmed manufacturer defect.
  • Color:6000K Xenon White. Size: 2.00″ long and 0.71″ in diameter.
  • Fits: 3156 3056 3356 3456 4156 3047 3157 3157A 3057 3155 3157NA 3357 3457 3457A 4057 4114 4157 etc
  • Used for backup reverse lights,turn signal lights,tail lights etc
  • Lighting output: about 936 lumens for each bulb.

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