2017-2019 GM Duramax 6.6L L5P Cooling Upgrades

When pushed to their limit, the 2017-2019 6.6L Duramax L5P's can run a bit hot which causes further issues and unnecessary hassles down the road. These premium 2017-2019 GM Sierra/Silverado 2500/3500 cooling options were specifically engineered to keep engine temps under control and operating at peak performance even during the harshest applications. Choose from our selection of performance radiators or pick up a deep engine oil pan to help dissipate heat faster over stock, allowing your truck to outperform and outlast the competition. GM Duramax Fitments: 2017, 2018, 2019 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.