The CORTECO Crankshaft Seal, part number 01033868B, is specifically engineered for manual transmission systems. Its primary function is to create a reliable seal around the crankshaft, preventing the leakage of lubricating oil. Proper sealing is crucial for the longevity and efficiency of your transmission. A failing seal can lead to low oil levels, potentially causing increased wear on internal components and compromising the transmission's operational integrity. This seal is manufactured to meet stringent quality standards, ensuring a precise fit and durable performance. By choosing this CORTECO seal, you are investing in a component designed for reliability and longevity. It helps maintain the correct oil levels within the transmission, safeguarding its internal parts from friction and heat damage. Regular inspection and replacement of seals are essential maintenance practices for any vehicle owner.