Fleece Replacement O-ring Kit for Cummins Coolant Bypass Kits (FPE-CLNTBYPS-CR-ORING-KIT) for 1994-2018 Cummins 5.9L / 6.7L

The Fleece Replacement O-ring Kit for Cummins Coolant Bypass Kits (FPE-CLNTBYPS-CR-ORING-KIT) is a high-quality maintenance solution designed specifically for 1994–2018 Cummins 5.9L and 6.7L engines. Engineered to work seamlessly with Fleece Performance coolant bypass systems, this kit includes all necessary O-rings to ensure a proper seal and prevent leaks in your cooling system. Over time, O-rings can degrade due to heat and pressure, and this replacement kit helps maintain optimal performance and reliability of your engine’s cooling system. Ideal for routine maintenance or during component replacement, the Fleece O-ring kit offers a cost-effective way to extend the life of your Cummins engine and keep it running at its best.