2024 Duramax Fuel Filter Change. 6.6l duramax l5p maintenance schedule and service information, including service part numbers, oil and fluid specifications, and fluid capacities. To reset the system, press and hold the thumbwheel for two seconds while fuel filter life remaining is displayed on the dic.

I changed the fuel filter in my 2023 6.6 duramax. This guide will help you prepare, replace the filter, and check for leaks.