DE3021 Bulb Fitment Guide

The DE3021 bulb is used by 103 vehicles from 7 makes including Acura, Cadillac, Honda, Kia, Lexus. Browse the full compatibility list below.

Yes, LED replacements are available for the DE3021 bulb size. LED DE3021 bulbs offer brighter output, longer lifespan, and lower power consumption compared to halogen.

The DE3021 bulb is commonly used in these positions: Dome Light, Trunk Light, Map Light. The exact position depends on your vehicle's make and model.

Standard halogen DE3021 bulbs typically cost $10–$30 for a pair. LED DE3021 conversion kits range from $25–$60. Premium brands may cost more but often offer better performance and warranty.

All DE3021 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.