The XKGLOW 2-pack red 3157 auto bulbs are red-colored replacements for fixtures that accept 3157 bulbs. Packaged as a pair, they fit existing 3157 housings and connectors to allow direct swaps. The overview emphasizes plug-and-play compatibility so users can update exterior or auxiliary lighting with red illumination in applications specified for 3157 bulbs without altering lamp assemblies.
XK Glow 2pc Red 3157 Auto Bulb