SEAL - OIL (Yale YT2021554)

A worn oil seal can allow lubricant leakage, leading to component wear. This aftermarket replacement part references Yale as the OE maker and cross-references part number YT2021554. The seal type is designed to retain oil within a rotating shaft assembly. Its primary mechanical function is to prevent fluid escape while excluding contaminants. A common failure consequence is gradual oil loss, which reduces lubrication and accelerates bearing or shaft damage. This context applies to any rotating shaft application where oil retention is critical. Verify the serial number or application, then call (562) 693-7748.

Part number variants: YT2021554, yt2021554