The CAT 5M-6187 135.86mm Internal Diameter Metal Seal Ring Set Of (2) is a high-quality seal ring designed for heavy equipment. Specifically made for International equipment, this seal ring set ensures a secure and reliable seal to prevent leaks and protect the equipment's internal components. With the trusted brand of CAT and a specific model number for easy identification, this product is a crucial part for maintaining the performance and longevity of heavy machinery.