The Corteco Crankshaft Seal Kit - 135558 is a comprehensive kit of products designed for use in a car's engine. It includes a variety of components that are essential for properly sealing and maintaining the crankshaft, which is a crucial part of the engine's operation. The kit contains various types of seals, gaskets, and O-rings that are specifically designed to fit and function within the engine's crankshaft system. These components work together to prevent oil leaks, reduce friction, and ensure smooth and efficient operation of the engine. The contents of the kit may vary, but typically include items such as crankshaft seals, oil seals, and other related components. This kit is a convenient and cost-effective solution for any car owner looking to maintain the performance and longevity of their vehicle's engine.