One New Aftermarket Replacement Ferrule Fits Caterpillar (Fits CAT) Industrial and Generator Set EnginesThis aftermarket replacement ferrule (1" diameter) is a precision engine component used in Fits Caterpillar (Fits CAT) industrial, generator set, and machine engines. Ferrules of this type provide a secure sealing or clamping connection within engine fuel, coolant, or oil line assemblies, ensuring reliable performance in demanding industrial and construction applications.Specifications Diameter: 1 inch (1" DIA.) Application: Engine - Industrial, Engine - Generator Set, Engine - Machine Compatible ModelsFits Caterpillar (Fits CAT) Engine - Generator Set: D379B, D398B, D399Fits Caterpillar (Fits CAT) Engine - Industrial: D342, D342C, G342C, G379, G379A, G398, G399Fits Caterpillar (Fits CAT) Engine - Machine: D342, D379B, D398B, D399Replaces Part Number(s):7B2420, ENL80-0164Aftermarket Interchange Numbers7B2420-A, ENL80-0164New aftermarket replacement part - not remanufactured, not used.