The 3157LL bulb is the long-life version of the 3157k. Same bulb but will last longer.
3157LL
3157LL
3157 is the bulb type, the "K" means the bulb is filled with the inert gas Krypton.
3157 is the bulb type, the "K" means the bulb is filled with the inert gas Krypton.
3157K coupe 3156K sedan
You can unscrew a light bulb.
According to the 1996 Ford Windstar Owner Guide : Brakelamp / taillamp takes ( # 3157K bulb ) Also , the High-Mount Brakelamp takes ( # 912 bulb )
it is difference between wet bulb temperature and dry bulb temperature.
The difference between wet-bulb and dry-bulb temperature is called the Wet-Bulb Depression. It is a measure of air humidity, with a larger depression indicating higher humidity levels.
Sylvania 4057k Some stores will have them listed as 4057LL... but it's the same I've seen the Sylvania 3157LL bulb work as well. Here's a visual step-by-step of the process:
power difference