This CORTECO crankshaft seal, part number 12013062B, is designed to provide a reliable barrier against oil leakage from the engine's crankshaft. A properly functioning crankshaft seal is crucial for engine health. It prevents oil from escaping the crankcase, which can lead to low oil levels, engine damage, and environmental contamination. Crafted with quality materials, this seal is built to withstand the demanding conditions within the engine bay, including high temperatures and constant rotation. Its precise engineering ensures a perfect fit and effective sealing. Replacing a worn or damaged crankshaft seal with this CORTECO part will help maintain your engine's integrity and prevent costly repairs down the line.