When upgrading your Sierra 1500, the lighting system is a big deal. In fact, adding LED lights not only gives your Sierra 1500 a brand new look, but also greatly improves driving safety at night. The upgrade process is not difficult, as long as you confirm the bulb size to be replaced. We have listed all the bulb sizes of the halogen lights of Sierra 1500 2016-2021. You can purchase the correct LED bulbs based on the bulb size.
OEM halogen bulb size:
Front Turn Signal Light: 7444NA
Cargo Lights: 921
Back Up Lights: 921
3rd Brake Lights: 921
License Plate Lights: 2825
You can try Lasfit LED bulbs
on your GMC Sierra 1500. All are plug and play, easy to replace the stock halogen bulbs.
Front Turn Signal Light: T-7443D(Switchback)
Lasfit T-series LED bulbs are specially made to replace OEM halogen turn signal lights. With built-in canbus resistor, the bulb can just plug and play without error message or hyper flash. Light up 6000K xenon white for parking lights or daytime running lights (DRL); 3000K flash amber for turn signal lights. Intelligent Temperature Control System protects led bulb against excessive current and overheating and ensures a longer lifespan.
Cargo Lights & Back Up Lights: L-T15 (white)
1400LM/set, 6000K pure white. Lasfit uses high power 3030 SMD LED chip to produce peak brightness output and built-in Constant Current IC driver to ensures reliability. Equipped with CANBUS system, will not cause "lamp out" errors.
3rd Brake Lights: L-T15 (red)
1400LM/set. Brilliant Red. Plug and play. Built-in Constant Current IC driver ensures reliability even with voltage fluctuations, much safer driving on the way. Equipped with CANBUS system, will not cause "lamp out" errors.
License Plate Light: L-T10(white)
800LM/set, much brighter than OEM halogen bulbs. It's necessary and easy to achieve to add a modern appearance to your truck by replacing stock halogen bulbs with this interior LED bulbs. No need any modification, just for plug n play installation.
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Click Lasfit led bulbs
, if you want to learn more details about these LED bulbs.