This CORTECO crankshaft seal, part number 12012247B, is designed to provide a reliable barrier against oil leakage from the crankshaft. A properly functioning crankshaft seal is crucial for the longevity and performance of your engine. It prevents lubricant from escaping the engine block, which can lead to low oil levels, increased wear, and potential engine damage. Crafted with quality materials, this seal offers durability and resistance to engine oils and operating temperatures. Its precise fit ensures easy installation and effective sealing, contributing to a cleaner engine bay and optimal engine operation.