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The Diode Dynamics 3156/3157 HP48 LED bulbs in red are supplied as a set of four and are presented as a direct replacement for 2007–2013 GMC Sierra 1500 rear turn and tail light 3157 sockets. Each HP48 uses 48 LED chips under a diffusing cover to provide uniform appearance and a modern LED look, delivering about 250 lumens per bulb for a cosmetic upgrade. The molded connectors have sturdy terminals for reliable fitment, and the bulbs use constant-current circuitry with transient suppression for long-term stability and plug-and-play installation.
Diode Dynamics 07-13 GMC Sierra 1500 Rear Turn/Tail Light LED 3157 Bulb HP48 LED - Red Set of 4
