6-Pack Iridium Spark Plugs 41-109 & 12622561 – Fits Buick, Cadillac, Chevrolet, GMC

Got a GM vehicle and need fresh spark plugs?

These 6 iridium plugs are ready to go—brand new, never used, still in the original packaging.

Iridium gives you better performance and longer life, so you’re not swapping them out again anytime soon.

Fits a bunch of Buick, Cadillac, Chevy, and GMC models.

Also crosses to a ton of part numbers: 90117, APP5683, PTV16TT, QSP5, XP5263, 12622561, and supersedes 12625058, 41-103, 41103.

Basically, if you need 41-109 or 12622561, these are it.

Aftermarket replacement done right.

No UPC, but you don’t need it—just check your fitment and you’re good.