The Timken SL260139 is a grease/oil seal designed for automatic transmission output shaft applications. This seal measures 3.688 inches in diameter and 0.754 inches in height, making it a precision-fit component for the output shaft bore. Sold individually, this is a genuine Timken seal available from Pro Gear and Transmission. Call us to confirm proper fit for your specific transmission application before ordering.Interchanges:TBSL260139FeaturesGrease/oil seal for automatic transmission output shaftTimken part number SL260139Diameter: 3.688 inchesHeight: 0.754 inchesSold individually (each)Genuine Timken seal from Pro Gear and TransmissionTech SpecsPart Number: SL260139Type: Grease/Oil SealApplication: Automatic Transmission Output ShaftDiameter: 3.688 in.Height: 0.754 in.Sold As: Each