Doc'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 strength
- Durable construction, high-flow filter media
- Spring Activated Relief Valve (when applicable)
- Anti-Drain Back Valve helps prevent engine dry start (when applicable)
- Doc's auto parts all have an OEM design, fit, and function that meet or exceed OEM Requirements
Fitment, Interchange + Doc's Part Number:
Vehicle Fitment:
- 2001-2019 Chevrolet/GMC 6.6L Duramax 2500HD/3500HD
Interchange:
- Doc's DF209: Allison 29539579
Doc's Part Number:
Change Interval:
Above all recommendations, change according to your vehicle’s manufacturer’s warranty.
- Transmission Filters: Every 25,000-50,000 miles or 60,000 miles maximum
Note: Most OEM recommendations are based on regular driving, NOT hauling. Doc’s Diesel recommends changing transmission filters earlier than OEM recommended guidelines for preventative maintenance and to ensure the longevity of your transmission.
