The stock brake pads on your 2017-2019 GM 6.6L Duramax L5P work fine for basic everyday application, but they tend to struggle during more aggressive conditions such as towing or off-roading. Upgrading to high-quality brake pads will improve your truck’s stopping power and deliver consistent, reliable braking performance when you need it most. Many of these brake pads are designed as direct replacements for your factory pads, making them a quick, easy, and cost-effective upgrade for your GM 2500HD/3500HD.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.