GM-Dodge Rear Differential Cover Gasket Coolant Hose|Hoses & Fittings|Heating & Cooling Just drain the transmission fluid

Just drain the transmission fluid and remove the oil pan and install the EPC blocker

Manufactured to hold up to the most extreme conditions

Cummins 19-21 6

2011-2016 GM Allison 1000/2000 4x4 5/6 Speed Transmissions (128021011)

A PPE Transmission Fluid Bypass Valve will add another measure of protection and increase fluid flow to transmission cooler increasing cooling capacity with the easy-to-install billet aluminum PPE Transmission Fluid Thermal Bypass Valve for your Dodge or Jeep SUV's

GM-Dodge Rear Differential Cover Gasket Coolant Hose|Hoses & Fittings|Heating & Cooling Just drain the transmission fluidGM Equivalent P N: 12471447