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Automotive Bulb Adapters - H4

This replacement automotive bulb socket adapter is designed to fit the H4 sealed beam style headlamp bulbs. Wired for 12V/14V operation on all vehicles.


  • 2 adapters in each pack.
  • Three 5-1/4", 16 gauge lead wires.
  • Can also be used as a socket for flashers.
3157 1156 194 H4
Item Description Price
1+ I 10+
Qty in
Package
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78231 1 Pair of H4 Bulb Adapters (1 MIN)
7.21 I 5.00
1 EA