Features: High flow rates and outstanding filtration, Internal Filter for Deep Large Capacity Transmission Pans. The Pro Guard D2 transmission filter represents the next generation in filter technology. This filter is designed to help protect sensitive shift control valves and prevent secondary damage to engine parts by providing maximum flow. By providing the transmission fluid more quickly, you get maximum protection that exceeds the OE requirement for filter efficiency. Transmission Fluid Filter for GM Diesel Trucks 01-15 V8-6.6L (td).