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Reliable performance in extreme conditions like towing
Include in your scheduled maintenance plan and add to your oil with every oil change for best results
Doc's Diesel Maintenance Kits:
and vehicle performance
7L Cummins Fuel Filter 2010-2024: 3 Micron @ 93
Doc's Diesel Chevrolet/GMC 6.6L Duramax Transmission Filter Kit 1998-2021 Treatment Reliable performance in extreme conditionsDoc's Diesel Transmission Filter Kits: Doc's Diesel Transmission Filters are made to keep your rig shifting smoothly and running right. They trap dirt and debris that can wreck key parts like the torque converter and fluid pump. A clean transmission filter means less heat, less wear, fewer costly repairs, and puts less strain on your engine, which means better fuel mileage. Product Details: Rigorously tested for efficiency, capacity, and burst