This CORTECO crankshaft seal, part number 12011302B, is engineered to provide reliable sealing for your vehicle's differential. Crafted with durable materials, this seal is built to withstand the demanding conditions within the differential housing, maintaining its integrity and preventing the loss of essential lubricating fluids. A properly functioning differential seal is crucial for the longevity and performance of your drivetrain components. This part ensures that the differential oil remains contained, protecting gears and bearings from contamination and wear. Choose CORTECO for dependable sealing solutions that meet stringent automotive standards. Installation by a qualified mechanic is recommended to ensure optimal performance and fit.