This is a 12V glow plug for 2006-2016 LLY, LBZ, LMM, and LML Chevrolet/GMC 6.6L Duramax engines. This plug is a self-regulating design which allows for fast and safe startups. This engine uses eight glow plugs.
Note: 2005 and earlier LLY engines use DRX00058 plugs
