This CORTECO crankshaft seal (part code 12014022B) is specifically engineered for manual transmission applications. It plays a crucial role in preventing lubricant from escaping the engine and contaminants from entering the transmission. Crafted with durable materials, this seal is built to withstand the demanding conditions of engine operation, including high temperatures and pressures. Its precise design ensures a perfect fit, contributing to the longevity and reliability of your vehicle's transmission system. Proper sealing is essential for maintaining the integrity of your gearbox. A failing crankshaft seal can lead to significant oil loss, potentially causing severe damage to transmission components and requiring costly repairs. Replacing a worn seal with this high-quality CORTECO part helps to avert such issues.