2011-2016 GM Duramax 6.6L LML Stock & Modified Stock Turbos

While the stock turbocharger on your 2011-2016 GM 6.6L Duramax LML is designed the last the lifetime of your truck, it's more than possible for it to wear out depending on how your rough you drive your rig. Whether you're starting to seem symptoms of a worn turbo and are wanting to stay ahead of the issue, or you're simply looking for more power and performance out of your engine, we have your back here at Alligator Performance! We carry everything from basic stock replacements to complete performance upgrades that help increase airflow and boost horsepower so you can unlock the full potential out of your Sierra/Silverado 2500/3500. GM Duramax Fitments: 2011, 2012, 2013, 2014, 2015, 2016 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.