The CORTECO Crankshaft Seal, part number 12010694B, is specifically engineered for manual transmission applications. It plays a crucial role in preventing lubricant from escaping the engine and external contaminants from entering the transmission. Crafted with durable materials, this seal is built to withstand the demanding conditions within the engine bay, including high temperatures and constant rotation. Its precise design ensures a tight fit, minimizing the risk of oil leaks and protecting the transmission's internal components from damage. Properly sealing the crankshaft is essential for the longevity and efficient operation of your vehicle's powertrain. Replacing a worn or damaged seal with this high-quality CORTECO part will help maintain oil levels, reduce emissions, and prevent costly repairs down the line.