Bulb types · Signal / marker
3156K bulb
Catalog code 3156K — appears in 38 model-year × position rows. Confirm against your owner’s manual before swapping.
Code3156K
FamilySignal / marker
Fitment rows38
Top positions3
Replacement options
Halogen, LED, and HID picks for 3156K. Prices and availability come from Amazon — confirm fitment for your vehicle before buying.

LED
VEHICODE LED White Bulb 3156K
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LED
Combriller 3156K LED Interior Bulb
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Halogen
Kadiby 2 Pack 3157 4157 Bulb, P27/7W Brake/Tail/Turn Sign...
$7.15
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Halogen
SYLVANIA 3157 Long Life Miniature Bulb, (Contains 2 Bulbs)
$9.34
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Halogen
iFunyLED 10 PCS 3157 Bulb, Replacement Light Kit Set for ...
$7.99
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LED
iBrightstar 3157 LED Bulb White, 4157 3156 LED Reverse Li...
$12.99
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Halogen
JIYIZO 2 Pack 3156 Bulb T25 12V 21W, Warm White Turn Sign...
$5.38
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Halogen
ALKOREY 3156 T25 12V 21W Turn Signal Bulbs,2700K Reverse ...
$7.18
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Halogen
KRAVTEKNO 3156 Bulbs 4 Pack Clear Automotive Replacement ...
$9.99
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Halogen
SYLVANIA - 3156 SilverStar Mini Bulb - Brighter and White...
$11.75
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LED
GIVEDOUA 3157 LED Car Bulb Super Bright 12V 3056 3156 315...
$14.99
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LED
Makergroup S8 3156 Wege LED Bulbs, S-8 3156K Plastic Base...
$22.99
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Where 3156K shows up
Ranked by how often this code is tied to a lighting position across model years — a practical clue for dual-beam vs single-beam and fog vs headlamp confusion.
| Position | Fitments |
|---|---|
| Back Up Reverse Light Bulb | 18 |
| Back Up Light Bulb | 18 |
| Turn Signal Light Bulb Rear | 2 |
Makes that use 3156K most
Based on catalog fitment density — not a claim that every trim uses this bulb.
- Ford38
Cross-reference notes
Related codes from the Autotk cross-reference table. Direction matters — some bulbs can replace others one-way only.
*3157 Can replace 3156, but 3156 cannot repalce 3157