This CORTECO crankshaft seal (part code 12015772B) is engineered specifically for manual transmission applications. It plays a crucial role in preventing lubricant from escaping the engine and protecting vital components from contamination. Crafted with durable materials, this seal offers reliable performance and longevity. Its precise design ensures a snug fit, minimizing the risk of oil leaks and contributing to the overall health and efficiency of your vehicle's powertrain. Proper installation of this crankshaft seal is essential for maintaining optimal engine function. It helps to keep the engine oil where it belongs, safeguarding the transmission and other connected parts from damage caused by oil starvation or contamination.