2025 6.6 Duramax Oil Filter. An oil and filter change are one of the most basic necessities when. Doc’s diesel has the filters and oil you need for a complete maintenance kit for your 2.8l, 3.0l, or 6.6l duramax.
2 of mine run delo 5w40 year round and the newest one i’m. 2025 duramax 6.6 amsoil bmk21 single bypass filter installation, along with ppe fuel coolant.
