Did you drop a nut? Or maybe you just stripped a nut?

For some reason GM doesn't include new nuts with their glow plugs.

Here we have a full set of 8 new stainless glow plug wire retaining nuts!

Fits: 6.6l Duramax LB7 LLY LBZ LMM LML LGH L5P 2001-2023 Chevy GMC