About This

• DOC'S DIESEL - 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.
• FITMENT - Compatible with Chevrolet/GMC 6.6L Duramax 2500HD/3500HD 2001-2019
• INTERCHANGE - Replaces Allison 29539579
• REPLACEMENT GUIDELINES - Above all recommendations, change according to your vehicle’s manufacturer's warranty. Transmission Filters should be changed every 25,000-50,000 miles or 60,000 miles maximum.
• DOC’S DIESEL FILTERS - Doc’s is the new standard in aftermarket replacement filters, setting benchmarks for quality and reliability in the industry! Based in Northwest Ohio, our premium line includes engine air, cabin air, oil, and fuel filters, all engineered to meet or exceed OEM standards. We're a grassroots company dedicated to delivering exceptional value and unmatched commitment to our customers. Choose Doc's for superior performance, durability, and peace of mind for your vehicle.