Choose the GMC Sierra 2500HD Reverse Light Bulb Size with One Click

GMC Sierra 2500HD reverse light bulbs may have various sizes depending on the year of manufacture. They may vary not only in lighting technology but also in such specifications as nominal power.

For instance, did you know that the GMC Sierra 2500HD autos have the following part numbers: 921 (for 2015 - 2019 years), 3047 (for 2007 - 2014 years), 3157 (for 2001 - 2006 years)?

Modern models feature LED bulbs that are considered to be more efficient and longer-lasting.

For you not to make a mistake, we created this GMC Sierra 2500HD reverse light bulb size chart with different years. Drive safer and smarter with the correct reverse light bulb size!



2019 GMC Sierra 2500HD – 921

2018 GMC Sierra 2500HD – 921

2017 GMC Sierra 2500HD – 921

2016 GMC Sierra 2500HD – 921

2015 GMC Sierra 2500HD – 921

2014 GMC Sierra 2500HD – 3047

2013 GMC Sierra 2500HD – 3047

2012 GMC Sierra 2500HD – 3047

2011 GMC Sierra 2500HD – 3047

2010 GMC Sierra 2500HD – 3047

2009 GMC Sierra 2500HD – 3047

2008 GMC Sierra 2500HD – 3047

2007 GMC Sierra 2500HD – 3047

2006 GMC Sierra 2500HD – 3157

2005 GMC Sierra 2500HD – 3157

2004 GMC Sierra 2500HD – 3157

2003 GMC Sierra 2500HD – 3157

2002 GMC Sierra 2500HD – 3157

2001 GMC Sierra 2500HD – 3157

921 – LED Lights

  • 300% Brighter - 921 led bulb has 3030 SMD LED chips. You can see farther and clearer when reversing at night.
  • Easy Installation - 1:1 design with halogens, non-polarity, play, and plug. 921 led bulb reverse light is fit for 921,912, T15, 906, 904, 902, 922, W16W. Upgrade replacement for reverse light, backup light, and truck cargo light.
  • CAN-BUS Ready - LASFIT 921 led built-in CANBUS system, is compatible with 98% of vehicles, preventing error codes and odd flickering.
  • Safe Driving - Multiple protection loads with a fuse to prevent the 912 led bulb from burning out by the excessive instant current. Efficient heat dissipation makes sure the T15 led bulb will work 30,000 hours.

Product specifications
  • Type - LED
  • Color temperature - 6000K
  • Light output - 1400 Lm

You want bright, stylish lighting for your car but you don’t want to keep replacing burned-out bulbs. Philips Ultinon LED lights to give you high-powered, automotive-grade LEDs, with a lifetime of up to 8 years. With conventional bulbs, the more powerful the light, the shorter its lifespan. Philips Ultinon LEDs deliver bright even light, yet have excellent resistance to heat and vibration. This makes them the perfect choice for long-lasting performance.


Product specifications
  • Type - LED
  • Color temperature - 6000K
  • Light output - 115 Lm

– Energy-Saving, low power consumption for longer life span.
– Suit for Socket: T15, 912, 921, 906, 904, 902, 922, W16W, just plug and play without modification. ONLY used for backup reverse lights
– 6W per bulb, 12-16V Wide voltage, 500Ma current
– 300% Brighter: Each bulb has 15 pieces high power 2835-SMD LEDs
– CANBUS Error Free: Built-in intelligent IC driver for better performance


Product specifications
  • Type - LED
  • Color temperature - 6000K
  • Wattage - 6W W

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