7443 360 Degree 30-Watt 5 Extreme High Power CREE LEDs Amber 2004 This is because GM changed

This is because GM changed the reverse light bulb to a 921 style bulb from a 3157 style bulb on all 2010 model year Silverado trucks & on 2010 GMC Sierra Dually trucks

This set of RECON LED Chevy/GMC tail lights doesn't include LED reverse light bulbs

Smoked version (264376LEDBKCS) now comes with startup light sequence

RECON CAB ROOF LIGHTS XENON BULB FEATURES

Ultra High Powered CREE XML LED 3rd Brake Light For Your Ford Truck

7443 360 Degree 30-Watt 5 Extreme High Power CREE LEDs Amber 2004 This is because GM changedRECON Part# 264229AM 7443 (5 Extreme High Power CREE LEDs on each bulb) 360 Degree 30 Watt CREE LEDs AMBER (Two Bulbs Per Package)