Auto halogen bulb 3157 is almost the same as 4157.

Only difference betwenn auto halogen bulb 3157 and 4157 is watts.

Auto halogen bulb 3157 is about 27w, but 4157 is 28.5w.

The base of auto halogen bulb 3157 vs 4157 is the same.

Not only auto halogen bulb 3157 and 4157, my factory can also supply led for you.

In order to make you clearly our auto halogen bulb 3157 vs 4157, I will show you pictures as below.

Welcome all customers come to talk with us auto halogen bulb 3157 vs 4157 now.