Are 1157 and 2357 bulbs the same?
The life expectancy of the 2357 bulb is shorter than that of the 1157. The low filaments have the same life expectancy rating at 5000 hours, but the high filament of the 2357 bulb is much shorter than that of the 1157, with the 2357 rated at 400 hours vs. 1200 hours for the 1157.
Is 1156 and 7506 the same bulb?
Moderator. 7506 is Osram’s number for a type P21W bulb. P21W and 1156 are very similar. They aren’t identical, but they are functionally interchangeable in many cases as long as the 1156 one uses has a nickel-plated base and not a plain brass one.
Is 9003 same as H4?
On the outside, there is absolutely no difference between H4 and 9003. Both share the same housing, the same dual-filament internals, and the same three-pronged connection. So, of course, they are interchangeable, i.e., installing a 9003 bulb in a vehicle equipped with H4s, and vice-versa.
Is 7506 same as P21W?
The OSRAM 7506 (P21W-382) bulb sold here is the same one that is supplied to the vehicle manufacturers and offers an excellent price to performance ratio with outstanding quality.
How many lumens is a 2357 bulb?
A 2357 tail/brake combination bulb, available at any auto parts store, will produce the same brightness for the tail light (3 lumens), but will produce 25% greater brightness for the brake light (40 lumens vs. 32 lumens).
Is 1156 and 7507 the same?
You may notice that the 1156 and 7507 bulbs have tabs on the base that do not exactly match. The 1156’s tabs are 180 degrees while the 7507 tabs are 150 degrees. These two bulbs may not seem compatible, but there is a very simple modification that can be done to the bulb’s base to fit it into the housing.
Is H4 brighter than 9003?
The unsealed H4 headlights seem to be brighter than the 9003 counterparts.
What vehicle does a 9003 bulb fit?
How to Choose the Right Headlight Bulb for Your Car
| 9003 | 9006 | |
|---|---|---|
| Fitting | Three tabs | L-shaped base |
| Filament | Dual | Single |
| Use | Dual beam | High beam |
| What cars do they fit? | Any car with DOT HB2 assembly | Several Acura, Audi, BMW, Chevrolet, GMC, and Honda models |
What’s the difference between 1157 and 2357 brake lights?
The brake lights are on, but the 1157 bulb only puts out about 27W for brake lights. Tried the LED lights, but not happy with them. Their output was more focused than an 1157 bulb, but not as bright. A 2357 bulb is a direct replacment of the 1157.
What is the difference between 1157 and 2357 halogen tail light bulbs?
Halogen version of this bulb runs quite hot and can melt or distort plastic housings and lenses on tail lights Brightness is significantly higher on 2357 bulbs compared to 1157 bulbs. In fact 2357 bulbs have a rating of 40 MSCP compared to 32 of 1157 bulbs.
What is the wattage of the 1157 bulb?
The 1157 is an 18W light on the brighter filament. That’s already pretty hot. If you want brighter with LESS power, the Luxeon 3W LED bulbs fit the socket and are brighter than stock (also last longer).
Do the 2357’s work with the brakes on?
I went ahead with the 2357’s and they work fine, but they don’t seem all that much brighter with the brakes on. Of course, I’m observing this in daylight, so I’ll take a look tonight after darek.