0
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 Bold and the Beautiful - 1987 1-4157 was released on:
USA: 22 October 2003
Yes, the 4157 is just slightly more powerful than the 3157, 28.5w compared to 27w