This CORTECO crankshaft seal, part number 12017070B, is specifically engineered for manual transmission applications. It plays a crucial role in preventing lubricant from escaping the engine and contaminants from entering. A properly functioning crankshaft seal is vital for the longevity and efficiency of your vehicle's powertrain. It helps maintain oil pressure and protects internal engine components from damage caused by leaks or debris. Crafted with durable materials, this seal is built to withstand the demanding conditions within the engine bay, offering reliable performance and a long service life. Installation by a qualified mechanic is recommended to ensure optimal fit and function.