The Fleece Performance Coolant Bypass Kit (FPE-CLNTBYPS-CUMMINS-0607) is a high-quality aftermarket upgrade designed specifically for 2006-2007 Dodge Ram trucks equipped with the 5.9L Cummins diesel engine. This coolant bypass system addresses a common issue with uneven cooling, particularly at the rear cylinders of the engine, by rerouting coolant flow to ensure more consistent temperature control across the entire engine block. By improving coolant circulation, the bypass helps reduce the risk of head gasket failures and contributes to overall engine longevity. Additionally, this kit includes a high-quality thermostat and braided stainless-steel lines for durability and reliability. Ideal for high-performance or heavy-duty applications, the Fleece coolant bypass kit is a smart investment for Cummins owners looking to enhance engine efficiency and reliability.