This CORTECO crankshaft seal, part number 20037036B, is engineered to maintain a tight seal around the rotating crankshaft. Its primary function is to prevent engine oil from escaping the crankcase, thereby protecting other engine components and maintaining optimal lubrication. The seal is constructed from high-quality materials selected for their resistance to oil, heat, and wear. This ensures long-lasting performance and reliability even under demanding operating conditions. Proper installation is crucial for the seal's effectiveness and the longevity of your engine. By preventing oil leaks, this crankshaft seal helps maintain correct oil levels, reducing the risk of engine damage due to insufficient lubrication. It is a vital component for the overall health and efficiency of your vehicle's engine.