Fit for 2020-2023 GMC Sierra 2500HD 3500HD LED Exterior Lights Upgrade | Tested and Verified

The Best LED Bulbs Replacement for 2020-2023 Sierra 2500HD 3500HD

Upgrade your 2020–2023 GMC Sierra 2500HD/3500HD with Lasfit’s premium LED bulbs and kick off your next adventure!
The newly improved T3 Series LED bulbs deliver a smooth, eye-friendly glow, ensuring other drivers and pedestrians can clearly see your lane changes and turns.
Bright reverse lights, cargo lights, and third brake light enhance visibility behind your truck, making nighttime maneuvers safer and easier.
Unlock superior lighting—upgrade your Sierra’s exterior LEDs today!

Compatible Trims

• 2020-2023 Sierra 2500HD 3500HD Base
• 2020-2023 Sierra 2500HD 3500HD Pro
• 2020-2023 Sierra 2500HD 3500HD SLE
• 2020-2023 Sierra 2500HD 3500HD SLT
• 2020-2023 Sierra 2500HD 3500HD AT4
• 2020-2023 Sierra 2500HD 3500HD Denali
• Note: We only offer the LED license plate lights for GMC Sierra 2500HD 3500HD SLT/AT4/Denali.

Bulb Size Guide for 2020-2023 Sierra 2500HD 3500HD

Front Turn Signal Light: 7443 LED Bulbs T3 Series | switchback design, 24W, 2000LM per bulb

Brighter Yet Softer Light Output

The Lasfit T3 series features 20 high-quality 3030 SMD LED chips, providing ample brightness for lane changes and turns while driving your GMC Sierra 2500HD 3500HD. The improved lighting brightness eliminates the dim illumination of OEM halogen bulbs, giving your Sierra fresh new LED upgrade. Switchback design provides you with 3000K amber yellow for your turn signals and 6000K bright white for your parking lights.

Advanced Can-Bus Decoder

The Lasfit T3 series is equipped with a built-in micro ceramic resistor and an optimized power adjustment feature for more efficient decoding. This not only prevents error codes and hyper-flashing after installation but also provides a longer decoding time for a smoother, more reliable driving experience with these LED bulbs.

Cargo Light/Backup Light: 921 LED Bulbs T Series | 6000K white, 13W, 1500LM per bulb

Key Features: Exclusive design, Can-Bus error free, plug and play installation.

3rd Brake Light: 921 LED Bulbs T Series | brilliant red, 9W, 300LM per bulb

Key Features: Better visibility, high brightness compared with halogen bulbs, easier installation .

License Plate Light: 168 LED Bulbs L Series | 6000K white, 400LM per bulb

Key Features: Excellent brightness, Can-Bus friendly, non-polarity design, built-in MINI fuses.

Note: We offer a variety of colors for 168 LED bulbs—feel free to explore different interior lighting options!

Notice:

• 1. As the 2020-2023 GMC Sierra 2500HD 3500HD already comes with OEM LED headlights and fog lights, we do not offer replacement LED bulbs for them.
• 2. Currently, LED tail lights are not available for the GMC Sierra.