Replace your factory engine oil filter in your 2020+ 6.6L GM Duramax with this PPE High Efficiency Filter offering more than 40% surface area of a conventional oil filter, the PPE Premium High-Efficiency Oil Filter is just what your engine oil needs to stay cleaner, longer. Specially engineered, accordion-folded nylon and fiberglass media achieves superior filtration to catch and hold minute dirt and debris down to 5 microns. A typical OEM-quality oil filter removes about 72% of particles in 8 to 10 micron range.