921 LED Bulb Replacements


Upgrading your vehicle with 921 LED bulbs provides better visibility and a much more modern LED appearance than factory incandescent bulbs. 921 bulbs are the most common size for backup lights in modern vehicles, including Ford, Subaru, Dodge, and many other models. 

Diode Dynamics is proud to be the premier provider of 921-size LED replacement backup bulbs and offers plug-and-play replacement 921 LED bulbs for all compatible vehicles.

Not sure which bulbs you need? Click here for our Vehicle Finder tool!

921LED Bulb cross-reference: T8, T12,T15, 194, 175, 168, #555, 2886X, 194R, 161B, 3652, 193, 658, 2827, 194NA, 161, 558, 168NA, 2825, 194G, 160, 168A, 192, 2821, 194B, 158, W5WB, 579, 168, 2825ST, 168ST, 3652LL, 579LL, 2825LL, 168NALL, 2825L, 2821LL, 168LL, 194ST, 161LL, 194NALL, 2827LL, 158LL, 194LL, 906NA, 917, 906, 916NA, 904NA, 922, 916, 904, 921, 912, 920, 921K, 916LL, 921LL, 912LL, 920LL, 917LL, 906LL, 916NALL, 904LL, 921ST

921 stock bulb

921 stock bulb
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