RevMax 68RFE Cooler Bypass Upgrade – 2013–2018 6.7L Cummins

Improve your Cummins' transmission performance with the RevMax 68RFE Transmission Cooler Thermostatic Bypass Upgrade. Expertly machined from billet 6061 aluminum and designed as a direct bolt-in replacement, this upgrade eliminates the factory thermal bypass valve—restoring full cooler flow and keeping your transmission running smarter and cooler. Key Features & Benefits -ZeroStat Technology – Replaces the factory orifice and allows unrestricted cooler flow, reducing transmission temperatures from startup.- 87% Improved Flow – Eliminates a restrictive bottleneck for vastly better cooling efficiency.- Extended Component Life – Without a cold bypass valve, your transmission avoids heat buildup that can lead to long-term failure. - Simplified Maintenance – Flush cooler lines using room-temperature fluid—no heat machine needed. - Integral Cooling Fins – Provides passive heat dissipation directly from the module.- Direct Bolt-In Install – No cutting, no modification—just remove the fact