Time-Sert M10x1.25 Duramax diesel GLOW plug thread repair kit M10x1.25 Duramax diesel GLOW plug thread repair kit This kit will repair both style glow plugs in Duramax diesel 6.6 liter 2001-2010 Reliable fast permanent repair Time-Sert thread repair kits are the very best on the market. All the tools and 5 inserts are included.