The WA391-2885-073 is a backup side rubber seal used in hydraulic pump and motor assemblies. It is classified as a multi-purpose seal, suitable for general sealing applications where a side rubber backup seal is required. Sold by Pro Gear and Transmission as part of the Hydraulic Pumps and Motors line.FeaturesPart number WA391-2885-073Backup seal, side rubber designMulti-purpose seal applicationFits hydraulic pump and motor assemblies