Non-polarity. Can be used for front rear turn signal light, side marker light, blinker light, parking light, daytime running light, brake light, tail light, etc. When these 3157 led amber bulbs are used for turn signal lights or blinker lights, some vehicles may meet canbus issues, such as flicker, hyper flash or error warning, etc, load resistors or flasher relay may be required to solve the issues, you can contact us through Amazon Buyer Message to get help and solutions

Resembling halogen bulb shape design and sequencing 54 4014-SMD LED chips precisely around the 3157 led amber bulb. Delivering 360° high luminous efficiency with full amber light. Much easier noticed and much more safer driving

5.5W per 3157 amber led bulb. Only 1/4 energy consumption of original bulb but 4 times brighter. Built in smart IC driver ensure constant current, no radio interference. Plus instant-on capability with zero warm-up time

Electroplating process housing. Improve oxidation resistance and produce less heat. High-grade shape, matching great in the assembly. Ideal replacement for your halogen bulbs

Small size comparable to OEM bulbs. Non-polarity, applied to US standard and CK sockets. Fits socket: 3056 3156 3157 3157K 3057A 4057 4157, etc. Amazon filter system may not be 100% accurate or up to date, if you are not sure which bulb model fit your vehicle, please check your vehicle owner manual to confirm or ask a question for help