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 IN STOCK - LOW 1061527Debris 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 operatio... BD Diesel 2019 Dodge 6.7L 68RFE/Aisin AS69RC Thermostat Bypass 2019-2020 Ram 3500 Laramie Longhorn 2019-2022 Ram 3500 Big Horn / Laramie / Limited / Lone Star / SLT / Tradesman $122.89 |