The Cat 2513227 O-Ring Seal is a genuine Caterpillar component designed to provide a critical, leak-free seal in a wide range of Cat machinery and engine applications. Constructed from durable Fluorocarbon (FKM) material, this O-ring features an inside diameter of 101.1 mm, an outside diameter of 107.4 mm, and a thickness of 3.0 mm. It is essential for maintaining system integrity and preventing fluid leaks in hydraulic, fuel, and oil systems, contributing to the optimal performance and longevity of your Caterpillar equipment.