2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax Replacement Filters & Cleaning Kits

Your GM 6.6L Duramax needs clean and cool air to ensure efficient operation and long-term reliability. Ensuring your air filters are clean is critical to prevent harmful debris and dust from entering your engine and causing problems. Our Replacement Filters & Cleaning kits ensure your engine has a constant flow of clean air to ensure it runs reliably, especially in high performance applications such as towing and off-roading. Whether you choose a dry or oiled filter, we offer top quality drop-in replacement filters for maximum engine performance. Maintaining your filters has never been easier with our selection of cleaning kits! Pair your new filter with our excellent selection of Engine Upgrades. Pair your replacement filters & cleaning kits with our selection of Exhaust Tips! GM Duramax Fitments: 2001, 2002, 2003, 2004 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.