578 or PC579 Bulb Fitment Guide

The 578 or PC579 bulb is used by 13 vehicles from 4 makes including Dodge, Ford, Lincoln, Plymouth. Browse the full compatibility list below.

Yes, LED replacements are available for the 578 or PC579 bulb size. LED 578 or PC579 bulbs offer brighter output, longer lifespan, and lower power consumption compared to halogen.

The 578 or PC579 bulb is commonly used in these positions: Map Light. The exact position depends on your vehicle's make and model.

Standard halogen 578 or PC579 bulbs typically cost $10–$30 for a pair. LED 578 or PC579 conversion kits range from $25–$60. Premium brands may cost more but often offer better performance and warranty.

All 578 or PC579 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.