DOC'S DIESEL OIL FILTERS - Doc's Diesel Premium Oil Filters are built to deliver reliable performance for hard-working trucks. They filter out dirt, metal, and other debris from your oil, helping protect your engine and improve fuel efficiency. They’re made for synthetic, conventional, or blended oils, with high-flow synthetic media and a heavy-duty metal housing for longer life and better filtration. Changing your filter regularly keeps your motor running smoothly and helps prevent overheating. FITMENT - Compatible with Chevrolet/GMC 3.0L Duramax 2020-2025 INTERCHANGE - Replaces AC/Delco PF66, Replaces Wix WL10351, Replaces Premium Guard PG99495, Replaces Purolator L11424 THIRD PARTY TESTED - 25 Micron @ 99% Efficiency Rating REPLACEMENT GUIDELINES - Above all recommendations, change according to your vehicle’s manufacturer's warranty. Oil Filters should be changed every 5,000-7,000 miles or 10,000-15,000 miles maximum. Doc's Diesel Premium Oil Filters are built to deliver reliable performance for hard-working trucks. They filter out dirt, metal, and other debris from your oil, helping protect your engine and improve fuel efficiency. They’re made for synthetic, conventional, or blended oils, with high-flow synthetic media and a heavy-duty metal housing for longer life and better filtration. Changing your filter regularly keeps your motor running smoothly and helps prevent overheating.