2017-2019 GM 6.6L Duramax Transmission Fluid Thermal Bypass Valve 2014-gmc-sierra-3500hd-6-0l-v8-gas-esi5686438 The design transitions smoothly to

The design transitions smoothly to a 4’’ exit

and quicker engine response

designed for drag strip and high-performance applications where maximum stiffness and control are desired

Dry sumps have advantages over wet sumps

The PPE Zilla Carbon Fiber Turbo Inlet Upgrade addresses the undersized

2017-2019 GM 6.6L Duramax Transmission Fluid Thermal Bypass Valve 2014-gmc-sierra-3500hd-6-0l-v8-gas-esi5686438 The design transitions smoothly toAdd another measure of protection and increase fluid flow to your transmission cooler. Increase cooling capacity with this easy to install billet aluminum PPE Transmission Fluid Thermal Bypass Valve for the GM L5P Duramax Diesel. The OEM part has restrictive internal passages. When the OEM valve fails in the closed position, transmission fluid doesnt reach your cooler. This can be caused by mechanical failure or debris. The result of stock valve