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The 3157LL bulb is the long-life version of the 3157k. Same bulb but will last longer.
3057K - Design AMPS: 2.1, Rated Life: 2,000 4057K - Design AMPS:2.23, Rated Life: 4,000
A 3157LL means 3157 Long Life, some stores carry it as 3357 bulb or a Heavy Duty 3157.the filament is stronger in the LL bulb.
The kx bulb has an extra pair of wire contacts (4 instead of 2) per side. This decreases the amount of current each contact has to handle and decreases the amount of heat build up on the socket. The regular 3057 or 3057K bulb can be used, but it will probably burn out a bit faster and can damage the socket over time.
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.
A light bulb can be unscrewed. Hahaha
wet-buld depression