578 or 168 Bulb Fitment Guide

The 578 or 168 bulb is used by 11 vehicles from 1 makes including GMC. Browse the full compatibility list below.

Yes, LED replacements are available for the 578 or 168 bulb size. LED 578 or 168 bulbs offer brighter output, longer lifespan, and lower power consumption compared to halogen.

The 578 or 168 bulb is commonly used in these positions: Map Light. The exact position depends on your vehicle's make and model.

Standard halogen 578 or 168 bulbs typically cost $10–$30 for a pair. LED 578 or 168 conversion kits range from $25–$60. Premium brands may cost more but often offer better performance and warranty.

All 578 or 168 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.