2024 Duramax Oil Filter Wrench Size. This guide is specific to the l5p 6.6l duramax found in 2017, 2018, 2019, 2020, and 2021. This kit we put together comes with the proper amount of oil needed.
Fits most standard size oil filters. New l5p’s have a 22×1 5 metric thread, and a smaller diam filter head compared to previous trucks.