The Timken 417171 is a grease and oil seal designed for multi-purpose sealing applications in heavy-duty truck and drivetrain service. Per manufacturer data, this seal measures 4.878 inches in diameter and 0.814 inches in height. It is sold individually (per each). It is also referenced as TB417171 is the retail-packaged form of vendor part number 417171. If you need to verify this seal fits your specific axle, wheel-end, or drivetrain application, call Pro Gear and Transmission and we can help confirm proper fitment before you order.FeaturesTimken part number 417171, also listed as TB417171Groease and oil seal for multi-purpose sealing applications4.878 in. diameter (width and length)0.814 in. heightSold as individual unit (each)Genuine Timken seal from Pro Gear and TransmissionTech SpecsPart Number: 417171Type: Grease/Oil SealDiameter: 4.878 in.Height: 0.814 in.Sold As: Each