2024 6.6 Duramax Oil Capacity. 6.6l duramax l5p maintenance schedule and service information, including service part numbers, oil and fluid specifications, and fluid capacities. “these new pumps have a pumping capacity of.
Change your lly’s engine oil and filter at least once every 6 months and your fuel filters once a year. The capacity of a 6.6 duramax engine can vary according to the particular model and the year.