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The BD Diesel thermostat cooler bypass delete tube restores continuous fluid flow through the transmission oil cooler for 2013-2018 Dodge RAM 2500/3500/4500/5500 applications with 68RFE and Aisin AS69RC transmissions, and 2014-2018 models with 66RFE/AS66RC where specified. By eliminating the factory bypass valve that can jam from debris, it ensures the cooler remains operational and helps prevent transmission overheating and premature failure.
BD Diesel 13-18 Dodge 6.7L 68RFE/Aisin AS69RC Thermostat Bypass
