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Is 3157 Bulb Same As 7443

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Is 3157 Bulb Same As 7443. The 3157 is slightly smaller, with a length of: 7441, 992, 7440, 7440st, 7440al, 7440ll, 7440a.

2x 3157 42SMD LED Bulbs Dual Color White/Amber Switchback 2835 Turn
2x 3157 42SMD LED Bulbs Dual Color White/Amber Switchback 2835 Turn from www.ebay.com

You may have noticed that your 3157 or 7443 replaced the bulb with a ck, sck, sack, srck. April 4th, 2006, 07:25 am. Although they look the same in appearance, the difference is in the way the sockets are connected.

Keep Reading For More Information On The Differences Between 3457 And 3157 Bulbs.


There's also no bulb called p21. We will give you a full refund within 30 days if you are at all not satisfied In fact, 4157 bulbs are rated to last over four times as long as 3157 bulbs.

7443 Are Usually For Import Cars, While 3157 Are Generally For Domestic Cars.


In some years, only a few manufacturers produce cars that use ck. Although they look the same in appearance, the difference is in the way the sockets are connected. T he point is that a 7443 bulb can be used to replace a 7440 bulb , 7443 just has extra contacts that contact nothing when installed in a 7440 socket therefore 7443 can perfectly be used as a replacement for a 7440.

Many Bulbs Will Use The Same Base And Connectors While The Different Model Numbers Will Be Determined By Color And Wattage.


You may have noticed that your 3157 or 7443 replaced the bulb with a ck, sck, sack, srck. These all have round metal bayonet bases and none of them are interchangeable among themselves or with either of the others you mentioned. They have the same exact bulb base, albeit made of slightly different materials, and the connectors are shaped the same as well.

The 3156 Has A Single Filament Design And The 3157 Has A Dual Filament Design.


Will a 7443 bulb fit a 7440? Bulb is more susceptible to heat damage. The biggest difference between the 3156 and 3157 is how the bulbs are wired to work.

The 7443 (W21/5W) Has A Glass Wedge Base And The 3157 (P27/7W) Has A Plastic Wedge Base Or A Glass.


Btw, in case you don't know, 7443 has two filaments (turn signal and parking light), and the 7440 has one filament (turn signal). What are the exact difference between 3156 vs 3157 bulbs. Are 3157 and 7443 the same?

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