This CORTECO crankshaft seal, part number 12016792B, is designed to provide effective 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 leakage of vital lubricants. Proper sealing is crucial for the longevity and performance of your differential. This CORTECO seal helps maintain optimal operating conditions by keeping contaminants out and lubricants in. Installation of this seal is recommended to ensure the continued smooth operation and protection of your differential system.