The CORTECO Crankshaft Seal (Part Code: 12017266B) is engineered to provide a reliable seal for the crankshaft in manual transmission systems. Its primary function is to prevent the leakage of engine oil from the crankshaft, thereby protecting the transmission and engine components from contamination and damage. Crafted with durable materials, this seal is built to withstand the demanding conditions within the engine bay, including high temperatures and constant rotation. Proper sealing is crucial for maintaining oil pressure and ensuring the longevity of your vehicle's powertrain. Replacing a worn or damaged crankshaft seal with this high-quality CORTECO part can help restore the integrity of your engine's lubrication system. It is designed for a precise fit, facilitating straightforward installation by qualified technicians.