4157 Bulb Fitment Guide

The 4157 bulb is used by 3 vehicles from 1 makes including Ford. Browse the full compatibility list below.

Yes, LED replacements are available for the 4157 bulb size. LED 4157 bulbs offer brighter output, longer lifespan, and lower power consumption compared to halogen.

The 4157 bulb is commonly used in these positions: Turn Signal Front, Parking Light, Turn Signal Rear. The exact position depends on your vehicle's make and model.

Standard halogen 4157 bulbs typically cost $10–$30 for a pair. LED 4157 conversion kits range from $25–$60. Premium brands may cost more but often offer better performance and warranty.

All 4157 bulbs share the same base and fitment, but they vary in technology (halogen, LED, HID), brightness, color temperature, and brand quality. We recommend LED for the best balance of brightness and lifespan.