BD Diesel Bypass Delete Fluid Cooler Bypass - Black - GM Allison 2017-19 WEHWM750T29 BL3Z-9431-B

BL3Z-9431-B

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BD Diesel Bypass Delete Fluid Cooler Bypass - Black - GM Allison 2017-19 WEHWM750T29 BL3Z-9431-BDebris 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. Product Description: Fluid Cooler Bypass Bypass Delete Fittings O Rings Aluminum Black