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Yes, the 4157 is just slightly more powerful than the 3157, 28.5w compared to 27w
4157
4157 to the nearest tens is 4160
The 3157 and 4157 produce the same amounts of light from their dim and their bright filaments. The 4157 has a longer life rating than the 3157.
No.
The 4114 is an ultralong-life bulb with its major and minor filaments rated at 14v. The 3157 has its major filament rated at 12.8v and a much shorter lifespan. 4157 is in between the two bulbs for lifespan rating. All three bulbs produce the same amounts of light.
The Bold and the Beautiful - 1987 1-4157 was released on: USA: 22 October 2003
Problem is due to the socket which heats up and partialy melts. These sockets are very easy to change as they have pigtail leads with connectors. Oh yes these sockets are very pricey. When I replaced mine I put dielectric grease in the socket to keep moisture out which I believe is the reason the sockets go bad. Mexican or Chinese made light bulbs, probably. Even name brands (GE, Sylvania, etc) are made too cheap. I have had to buy two sets before you install one that holds up. Also remember your front turn signal bulbs are always on while driving during the day, so they get some use. The correct number is 4157 NAK, but I have used other similar types (i.e 3157) as long as they are yellow.
1531 and 4157 were numbers displayed in one of the moments on the original Pottermore. They were seen in the cupboard under the stairs at the Dursley's home. They were the codes on the electricity meter.
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whats the difference between a 3157 and a 3457 bulb
2583 MI/ 4157 KM