The Eaton 210737 is a differential pinion oil seal designed to keep lubricant contained at the pinion shaft on heavy-duty axle assemblies. The seal measures 4.4 in. in length, 4.1 in. wide, and 1.6 in. in height, sold individually. Whether you are replacing a leaking seal during a differential service or completing a pinion bearing job, this is the correct Eaton part for the application. Call us to confirm proper fit before ordering.Interchanges:73130EE73130Spicer EH210737S-12001Mack 2719-210737FeaturesDifferential pinion oil seal for heavy-duty axle applicationsEaton part number 210737Dimensions: 4.4 in. length x 4.1 in. width x 1.6 in. heightSold individually (each)Tech SpecsPart Number: 210737Type: Differential Pinion Oil SealDimensions (L x W x H): 4.4 in. x 4.1 in. x 1.6 in.Unit of Measure: EachUsed in this Dana Spicer modelDS/RS 461, 521, 581, 601 Tandem Drive Axle