3057 BULB VS 3157: What Are The Differences?

This post might contain affiliate links, read more here.

Table of Contents:

I. Introduction
II. Differences between 3057 bulb and 3157 bulb
Table-1: Similarities between 3057 bulb and 3157 bulb
Table-2: Differences between 3057 bulb and 3157 bulb
III. There are many questions about 3057 and 3157, let us consider some of the questions.
IV. LED Bulbs
V. Conclusion

I. Introduction

The lights of your vehicle play a very important role; they show you the way ahead when you are driving at night in the town or outside the town on a freeway.

It communicates and conveys to the vehicles behind you when you are braking or when you are taking a turn towards left or right.

3057 and 3157 are popular miniature automotive bulbs used in passenger cars and other vehicles. In this article, we are going to look into their specification and discuss their differences so you can easily choose the right one for your needs.

II. Differences between 3057 bulb and 3157 bulb

3057 bulb: 3057 is a miniature dual filament automotive bulb used for your vehicle back-up light, brake light, parking light, tail light, turn signal light, etc. This has a plastic wedge D.F. base.

3157 bulb: Like 3057, 3157 is a miniature dual filament automotive bulb used for your vehicle back-up light, brake light, parking light, tail light, turn signal light, day time running light, etc. This also has a plastic wedge D.F. base.

TABLE-1
Similarities between 3057 bulb and 3157 bulb
NoBulb model number→3057 bulb B2 (Philips)3157 bulb B2 (Philips)
Specification↓
1Volts12.8/1412.8/14
2BaseWedge D.F.Wedge D.F.
3Bulb shapeS-8S-8
4Bulb finishClearClear
5Bulb technologyIncandescentIncandescent
6Average rated life1200-5000 hours1200-5000 hours
7Class and filamentC-6 dual filamentC-6 dual filament
8Length2.1 inches2.1 inches
9Diameter1 inch1 inch

 

TABLE-2
Differences between 3057 bulb and 3157 bulb
NoBulb model number→3057 bulb B2 (Philips)3157 bulb B2 (Philips)
Specification↓
1Energy used26.88/6.72 watts26.9/8.3 watts
2Candle power32/232/3
3Equivalent: GE30573157
4Equivalent: Osram Sylvania30573157
5ApplicationsBack-up light bulb
Brake light bulb
Parking light bulb
Taillight bulb
Turn signal light bulb
Back-up light bulb
Brake light bulb
Day time running light bulb
Parking light bulb
Taillight bulb
Turn signal light bulb

Table-1 lists the similarities between 3057 and 3157 bulbs. The important similarities are (i) both have S8 bulb shape with C-6 class and dual filament (ii) they run on the same voltage 12.8/14 (iii) they have the same mounting (wedge D.F.) and (iv) both have the same physical size (2.1ʺ * 1ʺ).

Table-2 lists the differences between 3057 and 3157 bulbs. The important differences are (i) energy used by 3157 is 26.9/8.3 watts whereas its 26.88/6.72 watts for 3057 (ii) candle power for 3157 is 32/3 and the same for 3057 is 32/2.

Being dual filament bulbs with wedge D.F. base, 3057 and 3157 are interchangeable for applications like the back-up light bulb, brake light bulb, parking light bulb, tail light bulb, and turn signal light bulb. However, 3157 bulb is brighter than 3057 bulbs and, hence, it is preferred as day time running light bulb as well.

III. There are many questions about 3057 and 3157, let us consider some of the questions.

1Are 3057 and 3157 bulbs interchangeable?
Yes, both 3057 and 3157 have Wedge D.F. type of mounting and can fit in the same holder. You can use 3057 or 3157 for the back-up light bulb, brake light bulb, parking light bulb, tail light bulb, and turn signal light bulb. However, for day time running bulb, 3157 is preferred.

Caution: It is always safe to follow your vehicle manual. If your vehicle manual says 3057 or 3157, please follow the same. Also, please see what your local traffic rules say on this.

2What are the differences between 3057 and 3157 bulbs?
3157 uses more energy (watts) than 3057 and hence 3157 draws more current at the same voltage. Due to more current, 3157 gives brighter light than 3057. Apart from this, there are no other differences.
3What are 3057 bulbs used for?
You can use 3057 bulbs as the back-up light bulb, brake light bulb, parking light bulb, tail light bulb and turn signal light bulb, etc. However, 3057 is not preferred for the daylight running bulb.
4What are 3157 bulbs used for?
You can use 3157 bulbs as the back-up light bulb, brake light bulb, parking light bulb, tail light bulb, turn signal light bulb, and daylight running bulb, etc.
5What is the life of 3057 and 3157 bulbs?
Based on the specification of 3057 and 3157, their life ranges from 1200-5000 hours, and the wide range indicates that a lot depends on how you use and the condition of your vehicle.
6What do the number 3057 and 3157 indicate?
The number 3057 or 3157 is called ANSI (American National Standard Institute) code. This number (ANSI code) indicates the type of mounting for the lamp and its power, etc. Whenever you want to replace your vehicle bulb, ANSI code helps you to do it.

IV. LED Bulbs

LED (Light Emitting Diode) bulbs are more efficient than incandescent bulbs and they have a very long rated life. LED bulbs consume less than half of the energy when compared to incandescent bulbs; however, LED bulbs will cost you more.

LED bulbs of size 3057 and 3157 are available in standard brands like Philips.

If your vehicle has LED lights installed by the manufacturer, you can go for direct replacement.

However, if your vehicle is fitted with incandescent bulbs, you have to verify your local traffic rules and regulations regarding changing over to LED.


V. Conclusion

Bulbs play a very important role in your vehicle; they guide you on the road during the night and keep you safe by communicating with other vehicles on the road.

Show Comments

No Responses Yet

    Leave a Reply