3157 vs 3057 – Exploring the Differences!

The 3157 and 3057 are automotive light bulbs that are used for a variety of purposes in a variety of vehicles. These 2 bulbs are used in all types of land vehicles Boats, ATVs, and even heavy-duty machinery. They can produce 2 different brightness levels allowing them to create lights with multiple functions like brake and parking.

The 3157 and 3057 are identical bulbs, and they can be interchanged. In most cases, it is advised to use the 3157 instead of the 3057 due to its extra brightness. Both bulbs’ upper or high filament produces a luminance of 32 CP (Candle Power).

The 3057 delivers an intelligence of 2 CP using its low filament, and the 3157 offers a 3 CP brightness with its softer filament. This is shown as 32/2 CP for 3057 and 32/3 for 3157.

What are 3157 Bulbs Used For?

The 3157 is an automotive light bulb used for all purposes besides headlights. 3157 is used for Signal, Brake, Reversing, Daytime running, and Side marker lights. It is an S-8 bulb with 2 filaments and has a plastic wedge-shaped DF base. Both halogen and LED versions are available for 3157 bulbs.

The bulb’s life span is 1,200 to 5,000 hrs. for the halogen version and over 50,000 hrs. for the LED version. 3157 is a 12.8/14 Voltage bulb with an output of 26.90/8.3 Wattage. The brightness is 32 CP for the high filament and 3 CP for the low filament.

What are 3057 Bulbs Used For?

3057 is a similar automotive light bulb to 3157. It is also used for Signal, Brake, Reversing, Daytime running, and Side marker lights. Like the 3157, the 3057 is an S-8 bulb with 2 filaments and a plastic wedge-shaped DF base. Both halogen and LED versions are available for 3057 as well.

The 3057 has a similar lifespan (1,200 to 5,000 hrs.) to the 3157, with over 50,000 hrs. for the LED variant. 3057 is a 12.8/14 Voltage bulb with an output of 26.88/6.7W, a little lower than the 3157. The main difference between the 3057 against the 3157 is its low brightness which is 32/3 (CP)

Differences and Similarities of 3157 Vs 3057 Bulbs

The difference between the 2 bulbs is the brightness, as 3157 is significantly brighter than the 3057. It is recommended to use 3157 for daytime running lights over 3057 due to its brilliance.

Both are S-8 bulbs and have identical shapes and two filaments. Has a plastic wedge-shaped DF base. 3157 and 3057 also come in halogen and LED variants.

The LED variants of both 3057 and 3157 lights can be used as reverse or brake lights due to excessive heat generation. The LED should be used with the manufacturer’s consent, as the extreme heat generated can damage the holder, reflectors, and light casings.

There is only a tiny difference in wattage, and both 3157 and 3057 lights are double filament bulbs. Although an incandescent light bulb can last up to 10,000 hrs., the 3057 and 3157 can last up to 1,200 to 5,000 hrs. LED bulbs are much more durable and can last up to 50,000 hrs. The limitation is that excessive heat can damage other parts if not manufactured for LED lights.

The bulb specifications for 3057‎ and 3157 are almost identical except for the brightness and wattage.

Details	3057	3157
Bulb Type	Incandescent	Incandescent
Bulb Shape	S-8	S-8
Voltage	12.8/14V	12.8/14V
Wattage	26.88/6.72W	26.90/8.3W
Base	W2 5x16d	W2 5x16d
Brightness	32/2 (CP)	32/3 (CP)

Which Bulb Offers a Better Lighting Performance – 3157 or 3057?

Both 3157 and 3057 are almost identical bulbs in wattage. Both bulbs have dual filaments, and the lighting performance for 3057 is 32/2 CP and 32/3 CP for 3157.

Here the lighting performance has been measured by CP, which stands for Candle Power. The high filament of both bulbs produces 32 CP and uses 27 (26.88) watts.

The low filament of the bulbs works differently. The soft filament 3057 yields 2 CPs using 7 (6.72) Watts, and the 3157 produces 3 CPs with 9 (8.3) Watts. The low filament of the 3157 gives 50% increased brightness to the bulb, which is a noticeable difference.

Are 3157 and 3057 Easy to Find?

The 3157 and 3057 are the most commonly used bulbs in the automotive industry. These bulbs are used in all land vehicles, Boats, ATVs, and heavy-duty machinery. These 2 bulbs are used for Signal, Brake, Reversing, Daytime running, and Side marker lights. The availability of 3057 and 3157 in the popular web shops are shown below.

Online Shop	3057	3157
Amazon	Available	Available
Ebay	Available	Available
Canadiantire	Available	Available
Autozone	Available	Available
Walmart	Available	Available
Lowes	Available	Available

There were no “Out of Stock” signs on any of the shops checked, and Since they are one of the most common automotive bulbs, they should be available in local shops.

Are 3157 or 3057 Bulbs More Energy-efficient?

The power consumption of the 3157 and 3057 halogen and LED types are shown below.

Bulb Type	Power Usage
3057 Halogen	26.88/6.72 W
3157 Halogen	26.90/8.3 W
3057 / 3157 LED	2.4 – 20 W

The LED variant of the bulb uses significantly less energy. But as explained earlier, fixing LED lights should be done if allowed by the manufacturer, as the excessive heat generated can damage the holder, reflectors, and casings of the morning.

Regarding halogens, the 3057 is more energy efficient but gives a dim light compared with the 3157, but the energy saved by the 3057 is negligible.

When to Choose 3157 and When to Go for 3057?

The 3157 and 3057 are automotive light bulbs used for all purposes besides headlights. 3157 is used for Signal, Brake, Reversing, Daytime running, and Side marker lights. The life span of a bulb is 1,200 to 5,000 hrs. Both 3057 and 3157 are dual filament bulbs.

The only difference is the brightness which is high with the 3157. The 3157 bulbs can be chosen when high brightness is required.

How to Choose Between 3157 and 3057 Bulbs?

As stated, both bulbs 3157 and 3057 are of the exact dimensions and even have the same socket that fits into the bulb holder. Both have the same life span, and both have dual filaments.

They can produce 2 different brightness levels allowing them to create lights with multiple functions like brake and parking. There is a negligible price difference and a negligible power consumption difference.

The difference is in the brightness, where the 3157 is brighter than the 3057. In a vehicle, these lights indicate to the other cars like break, signal, parking, Revers, side markers, and Daytime running lights.

It would be better to choose a brighter light as the vehicle will get the attention of the others on the road.

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