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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  1. Diode Dynamics Brand Logo
    921 XPR Cool White Backup LED Bulbs
    720 lm (per bulb)
    $49.95 - $99.95
  2. Diode Dynamics Brand Logo
    921 XPR Red 3rd Brake Light LED Bulbs
    60 lm (per bulb)
    $49.95 - $99.95
  3. Diode Dynamics Brand Logo
    921 HP36 Cool White Backup LED Bulbs
    210 lm (per bulb)
    $24.95 - $49.95
  4. Diode Dynamics Brand Logo
    921 HP5 Backup LED Bulbs
    92 lm (per bulb)
    $19.95
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4 Items

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