'06 Hummer H3 and time for a spark plug change. Problem is I'm too lazy to pull a plug to check the number so I'm asking here. I've got 41103 AC Delcos currently in my cart at stone auto. Is this the right ones closest to factory? Went to the Generals site and the number came up as 1261663 and the image shows 125980 on the plug. Just need some confirmation. Thanx.

 

AC Delco 41-103 is what I installed, gapped at .043

 

https://www.rockauto.com/en/catalog/...park+plug,7212

ACDELCO 41103 Professional; Iridium Original Equipment;

GAP .043; GAP PRE-SET AT FACTORY, DO NOT RE-GAP

 

Thanks Tainter and Hoff. I knew not to adjust the gap but good information for someone else.