GooDeal 8pcs Dual Coil Diesel Glow Plug 97364968 for Duramax 6.6L LBZ LMM LML Replacing OE#: 97364968 For Fitment: LLY, LBZ, LMM, LML These plugs heat up 20% faster 100 Degrees Hotter. Note: these glow plugs will NOT fit 2005 and earlier LLY Duramax, they ONLY fit "second generation" (2006 and later) LLY's Please check the part number and compare with pictures provided here before purchasing to ensure fitment.