Caterpillar 1S-8687 is a steel spacer with an inside diameter of 25.5 mm and a thickness of 31.75 mm, designed for CAT equipment. The part number is 1S-8687 (also listed as 1S8687), and its steel construction provides durability for demanding industrial applications where precise, rigid spacing is required. This spacer maintains accurate axial separation between mating components, supporting proper alignment and clearance in CAT-engineered assemblies that specify a 25.5 mm ID and a 31.75 mm thick profile.
