Fleece Performance Coolant Bypass Kit For 98.5-02 5.9L Cummins 2022-2023 f-250 super duty 5L EcoBoost with the MBRP

5L EcoBoost with the MBRP Armor BLK 3" Cat-Back Single Side Exit Exhaust System

4 inch E-Series

Universal fit for cars and trucks with matching pipe

(1) Assembly pin to make needle bearing installation easy

Universal Tip

Fleece Performance Coolant Bypass Kit For 98.5-02 5.9L Cummins 2022-2023 f-250 super duty 5L EcoBoost with the MBRPThe rear cylinders on the 5. 9 6. 7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This can cause excessive pressure to build in the cooling system, especially the rear of the block and blow out freeze plugs externally, or the smaller diameter plugs under the valve cover, leading to a failure. Our coolant bypass kit adds a secondary thermostat, that unlike other brands, works based on