The CAT 3S-9643 Rotating Shaft Lip Type Seal is a new old stock product designed for heavy equipment such as mining trucks, excavators, compactors, and more. Made by Caterpillar, this seal is specifically compatible with various equipment makes and models in the construction and mining industries. With its high-quality construction and precise design, this seal ensures reliable performance and protection for heavy machinery, maintaining the equipment's efficiency and durability.