Transmission Cooler Thermal Bypass Valve Kit 2014-2018 GM Silverado Tahoe 6L80
Fits 6L80 / 8L90 Transmissions. Save Your GM Transmission with our Premium Thermal Bypass Valve Upgrade! Upgrade cooler bypass. Tahoe / Suburban. Silverado 1500. Simple Install: Easy bolt-on installation into the factory cooler lines.
Superior 6L80 6L90 8L90 Sure Cool System Upgrade with Bypass Gasket – WIT Parts
Superior 6L80 6L90 8L90 Sure Cool System Upgrade STL010 with Bypass Gasket. Includes Bypass Gasket. Orders are fulfilled from U.S.-based facilities.