You talk with the clerks at home depot or lowe's and you get the deer. The life expectancy is printed on the back of the package. I've been using them for more than a.
Obituary Dorothy Ann Cooper of Savannah, Sylvania Funeral
You're at the parts store, and the orange packages of the sylvania silverstar bulbs all scream brighter and whiter light.
The cheaper standard model headlight bulbs will last the longest.
It's not just aftermarket bulbs and misalignment; Sylvania, ge, noma, all make duds. From what i can find these have been recalled and i'm trying to think of what i should do here. The brighter and more expensive bulbs are.
Most new oem lights pose a threat.