Fix Missing or Damaged Glow Plug Nuts the Right Way
If you're replacing glow plugs on your Duramax, chances are you’ve already run into this problem — most replacement glow plugs DO NOT include new retaining nuts.
The SWAG Performance Glow Plug Nut Set gives you a complete, ready-to-install solution so you’re not stuck reusing worn, stripped, or missing hardware.
Direct Replacement for GM Duramax Glow Plug Nuts
Designed for perfect fitment across all 6.6L Duramax platforms, this kit restores proper electrical connection between your glow plug harness and glow plugs.
✔ Direct-fit replacement
✔ No modifications required
✔ OE-style sizing and threading
✔ Reliable electrical contact
Why You Actually Need These (High-Conversion Section)
- Prevents poor cold starts caused by loose or corroded connections
- Eliminates stripped or missing OEM nuts
- Ensures proper glow plug circuit function
- Saves time during glow plug replacement jobs
Many GM glow plugs either don’t include nuts or require reuse of old hardware, which often leads to installation issues.