The Fleece Performance Coolant Bypass® (FPE-CLNTBYPS-CUMMINS-1318) is a high-quality aftermarket upgrade designed specifically for 2013–2018 Cummins 6.7L engines. This coolant bypass kit addresses a common issue with uneven coolant flow in the rear cylinders, helping to reduce coolant pressure and prevent head gasket failures under high-stress conditions. Engineered for durability and efficiency, the kit provides a secondary coolant path, allowing for better thermal control and improved engine longevity. It comes complete with all necessary hardware and fittings for a straightforward installation, making it a popular choice among performance diesel enthusiasts and those seeking enhanced reliability in their Cummins-powered trucks.
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Fleece Performance Coolant Bypass® (FPE-CLNTBYPS-CUMMINS-1318) for 2013-2018 Cummins 6.7L
$398.99
The Fleece Performance Coolant Bypass® (FPE-CLNTBYPS-CUMMINS-1318) is an aftermarket upgrade for 2013–2018 Cummins 6.7L engines. It improves coolant flow to the rear cylinders, reducing pressure and helping prevent head gasket failure under stress. Designed for durability and better thermal control, it enhances engine longevity and includes all necessary parts for easy installation—making it a favored option for performance and reliability among diesel truck owners.
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