Caterpillar 7J-2087 is a plastic wear ring for CAT hydraulic cylinders, with an outer diameter of 234.95 mm. This CAT part is listed in CAT catalogs and aftermarket listings as a standard wear-ring component used in hydraulic cylinder assemblies on Caterpillar equipment. Designed as a wear surface within the cylinder bore, the 7J-2087 wear ring helps maintain alignment and supports seal longevity in CAT hydraulic systems.
