Cars that use a 3157K bulb
GarageDex's verified bulb data lists the 3157K in 4 models across 2 makes, as the rear turn signal. Each model links to its year-by-year bulb chart and sources.
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| Model | Position | Model years |
|---|---|---|
| F-250 Super Duty | Rear turn signal | 2010-2019 |
| F-350 Super Duty | Rear turn signal | 2011-2019 |
Built from verified GarageDex bulb records only. Rows carried forward from an earlier year without a source are not counted.
Frequently asked
What cars use a 3157K bulb?
4 models in GarageDex's verified data use a 3157K, across 2 makes - the full list, by position and model year, is on this page.
Is the 3157K the same in every position?
The bulb code is the same wherever it is fitted, but a car can use it in one position and a different code elsewhere - check your model's full bulb chart before buying.
Does every trim of these cars use a 3157K?
Not always. Trims with factory LED or HID headlamps often use a sealed LED unit or a different bulb, so confirm on the model's own page or in the owner's manual.