This CORTECO crankshaft seal, part number 12010898B, is engineered to provide reliable sealing for differential systems. Its robust construction is designed to withstand the demanding operating conditions found in automotive differentials, ensuring long-lasting performance. The primary function of this seal is to prevent the leakage of lubricating fluids from the differential while also keeping contaminants out. Proper sealing is crucial for the longevity and efficient operation of the differential, protecting its internal components from wear and damage. CORTECO is a recognized name in the automotive aftermarket, known for producing high-quality sealing solutions. This seal is manufactured to meet stringent industry standards, offering a dependable option for replacement or repair needs.