Caterpillar 6F-6673 is an OEM rubber O-ring seal (Cat part 6F-6673) designed to replace worn seals on a range of older Cat machines, including models 120C, 508, 518, 518C, 525B, 528, and 535B. As a round elastomeric gasket, this seal provides a fluid-tight seal between mating surfaces in components where a flexible seal is required. The part is listed by Cat as 6F-6673 and is available through Cat Parts Store as a genuine Cat O-ring seal. Use this seal to maintain leak-free operation when servicing the specified Caterpillar equipment.
