The Caterpillar 5F-3498 Seal is a cylinder seal kit (Part 5F-3498) intended for hydraulic cylinder sealing on Caterpillar equipment. Listings describe 5F-3498 specifically as a Kit Seal for Caterpillar cylinders, i.e., a seal kit used in cylinder repair assemblies. Availability and contents vary by supplier, with some listings indicating it is sold as a seal kit under the 5F-3498 designation.
