2020-2025 GM 2500HD/3500HD 6.6L L5P Duramax Injectors

Upgrading the injectors on your 2020-2025 GM 6.6L Duramax L5P is a great way to boost power, performance, and overall fuel efficiency. High-performance injectors provide better fuel atomization, ensuring more precise fuel delivery to your engine. This not only enhances throttle response and horsepower but also helps improve overall engine efficiency, especially when you're out pushing things to the limit. Whether you're looking for stock replacements or injectors designed for higher fuel flow in performance builds, we have what you need for your GM 2500HD/3500HD at Alligator Performance. Pair your new injectors with Fuel Lift Pumps & Filters to further optimize fuel delivery and ensure your engine runs smoothly in every situation. GM Duramax Fitments: 2020, 2021, 2022, 2023, 2024, 2025 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.