Alla Lighting Genuine CREE XB-D 3157 3156 T20 Xtremely Super Bright 6000K White LED Lights Bulbs for Auto Turn Signal Backup Reverse Brake Tail Lights Bulbs Lamp Replacement (3156/3157) (Set of 2) Chips: Latest design with high performance CREE XB-D LED ---360 degree full angle illumination with projector lens design Color: 6000K xenon white. Only compatible with standard type,not CK/SRCK type. Aluminum Housing keeps the bulb at a low working temperature --- much better heat dissipation. Longer Lifespan with 50000 working hours Cross reference number: 3047, 3047LL, 3047K, 3057A, 3057ALL, 3057, 3057ST, 3057K, 3057KX, 3057X, 3057KLCP, 3057LL, 3155, 3155LL, 3157A, 3157AK, 3157 ,3157K, 3157X, 3157LL, 3157ST, 3157KX, 3157NA, 3157NALL, 3157NAK, 3357A, 3357ALL, 3357, 3357LL, 3357K, 3454NA, 3457A, 3457ALL, 3457AK, 3457, 3457K, 3457NA, 3457NAK, 3757A, 3757AK, 3757ALL, 4057, 4057LL, 4057K, 4114, 4114LL, 4114K, 4157, 4157LL, 4157K, 4157NA, 4157NAK, 5702A, 5702AK, 5702AK,etc. Application: Turn signal lights,side marker lights,back up reverse light,brake lights, tail lights, daytime running light (DRL), parking light, blinker lights,etc.PLZ CHECK THE FITMENT NOTE OR OWNER MANUAL TO CONFIRM THE BULB SIZE BEFORE PURCHASING. Warranty: fully ONE YEAR guaranteed for the manuafacturer defect. For some vehicles, it may require to install the load resistor to avoid the signal hyper flash or error code.