9003 9005 9006 9012 H1 H7 H11 HIR2 HB2 HB3 HB4. Applies to headlight bulbs". Compatible with OEM headlight?. OEM fit & design. Change in Pairs – Two New Headlights Are Safer Than One. DOT Approved - YES.
No noticeable difference from regular H1 bulbs, at least when used in small driving light housings. Time will tell if will last as long as indicated on package.
However, was pleased with difference with H4 version in main headlight housings.