This CORTECO crankshaft seal is specifically designed for manual transmissions, part number 19033956B. It plays a crucial role in preventing oil leaks from the crankshaft, safeguarding other engine components and maintaining the integrity of your transmission fluid. Crafted with durable materials, this seal is built to withstand the demanding conditions within the transmission housing. Its precise engineering ensures a perfect fit, contributing to the longevity and efficient operation of your vehicle's gearbox. Properly sealing the crankshaft is essential for preventing contamination of the transmission fluid and ensuring that the lubrication system functions as intended. A failing seal can lead to significant mechanical issues and costly repairs if not addressed promptly.