LumaWerx™ 3157 LED Dual Color TruSwitch Bulb – 60 SMD



Product Description

Exclusive – T25 3157 LumaWerx™ dual color SMD LED Bulbs with TruSwitch technology are a great way to improve the look and light performance of your vehicle by having a modern bright white color while in parking light mode are and a street legal amber color when the turn signals or flashers are activated.


Upgrade – These are an inexpensive and subtle way to upgrade your vehicle’s indicator/running lights. No white on while amber flashes, beware of fakes! These bulbs truly flash only amber on turn signal/flasher mode and bright white during running/parking lights. Also offered in a 3157CK LED Switchback version socket.


Technology – LumaWerx™ TruSwitch technology is built in to every bulb allowing one color to completely disengage and shut off while the other color is active, something many have tried to copy. TruSwitch technology allows for the white running light to completely shut off while the turn signals or hazards flash allowing for the signals to clearly and easily be seen by oncoming traffic.


Dual Color – The LumaWerx™ dual color LED bulbs are lit as a powerful white emitting light during the parking light mode and blink amber when the turn signals or emergency flasher lights are engaged. Once signal or flasher is turned off, the bulbs will go back to white. When installing LED bulbs into turn signals you may need a set of load resistors or flasher relay to prevent hyper or rapid flashing. See them in action.


Trusted – For over a decade, HID Kit Pros in Issaquah, Washington has been providing customers with the best quality automotive lighting and accessories while backing it up with unbeatable customer service. Every employee at HKP has been trained on our wide selection of products to help suit each and every customers needs. Local? Stop by our showroom and installation center, test out our products in person with our state of the art testing equipment. Have a question? Contact us.



Input Voltage: DC 9 – 16V


  • Amber – 2.6W
  • White – 3.1W

Draw (amperage):

  • Amber – 0.22A
  • White – 0.26A

Warranty: 2 Years

Viewing Angle: 360 Degrees

Lumens: 580

Life Expectancy: 50,000+ hours

Dimensions: 2.5 x 1.5 x 0.3 in.

Certifications: CE, FCC, ROHS Compliant

Replaces: T25, 3157, 3057, 3155, 3757, 4157 3047K, 3757A, 5702A, 3057ALL, 3357K, 3057, 4057LL, 3057KX, 3457A, 3047LL, 3757AK, 3357ALL, 3057X, 4057, 3057KLCP, 3457AK, 3047, 3757ALL, 5702AK, 3057LL, 4057K, 3457ALL, 3057ST, 3057K, 4157K, 3454NA, 4157LL, 3357, 3157A, 3157, 4157, 3457NAK, 3157KX, 4157NA, 3157LL, 3157NAK, 3157NALL, 3357LL, 3155, 3157NA, 3457, 3457K, 3057A, 3357A, 3157K, 4157NAK, 3157AK, 3157ST, 3457NA, 3157X, 3155LL

Note: Due to variations in vehicle set ups and flashing modules, these bulbs may not switchback. For example, Ford F-150 and Super Duty trucks.

Sold: Individually

Additional Information

Weight 0.05 lbs
Shipping Dimensions 4 x 2 x .25 in
LED Bulb Type



2 Years


Ships Same Day





LED Chip


LED Color



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