Debris in the stock cooler bypass valve can cause it to jam the internal valve, keeping it in recirculation mode. When this happens, the transmission temperature will rise, which can lead to overheating and premature transmission failure. The BD Cooler Bypass Delete keeps the transmission cooler operational all the time and eliminates this failure-prone item.. Debris in the stock cooler bypass valve can cause it to jam the internal valve keeping it in recirculation mode. When this happens the transmission temperature will rise and can lead to overheating and premature transmission failure. The BD Cooler Bypass Delete keeps the transmission cooler operational all the time and eliminates this failure prone item.. Replaces OEM Part Numbers: 85585333, 13507547, 13511136, 13596738, 23135702, 86774933. Includes all new seals required for install, and magnetic service plug. Includes all new seals required for install/and magnetic service plug. Ensures 100 Percent fluid flow through the transmission cooler. Does not fit bypass valve with quick-connect style fittings. Automatic Transmission Oil Cooler Bypass Tube Eliminator. Ensures 100% fluid flow through the transmission cooler. Keeps Your Transmission Temperature As Low As Possible. Fits GM 6L80 Transmissions with 3/8 in. cooler lines. Transmission Oil Cooler Bypass Tube Eliminator Kit;. Transmission Oil Cooler Bypass Tube Eliminator Kit. BD Diesel 14-18 GM 6L80 Cooler Bypass Kit. COOLER BYPASS DELETE GM 6L80 14-18. Eliminates Factory Bypass Valve. COOLER BYPASS DELETE. A/TBpsTubeElim

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