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Revmax Transmission Cooler Thermal Bypass Valve Upgrade | 13-18 6.7L Cummins


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The 2013 and newer 68rfe and As69 equipped Ram trucks have always been known to run hotter than then their early predecessors. There also have been numerous melted-down transmissions due to the bypass valve sticking in the cold closed position. Lastly, the thermal bypass has a large restriction in it which reduces cooler flow by 87%, yes you read that right, 87%! No other bypass offers full unrestricted flow like the RevMax version does!

The completely re-engineered, Billet 6061 Aluminum RevMax Cooler Thermostatic Bypass Upgrade module, completely fixes all these complaints. Utilizing our ZeroStat Technology, We completely removed the orifice restriction for full cooler flow all the time. This equates to lower operating temperatures and longer transmission life.



  • Billet Aluminum Construction
  • Direct-Fit
  • Allows For Room Temp Fluid Trans Flush

Additional information

Weight 1 lbs
Dimensions 4.5 × 4.25 × 2.38 in


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