2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Glow Plugs

If you've started to notice it's much harder to cold start your diesel engine than it once was, chances are one or more glow plugs have worn out on your 2007.5-2010 GM 6.6L Duramax LMM. Win back the performance of your rig and experience consistent and reliable start-ups with any of the premium aftermarket glow plugs we offer here at Alligator Performance! Glow plugs are essential for everyday operation of your Sierra/Silverado, so pick up the necessary upgrades today for more peace of mind each time you get behind the wheel! GM Duramax Fitments: 2007, 2009, 2010 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.