The Corteco Crankshaft Seal Kit - 135545 is a comprehensive set of products designed for use in a car's engine. It includes various components that are crucial for maintaining the proper functioning of the crankshaft seal, which is responsible for keeping oil from leaking out of the engine. The kit contains multiple items, including gaskets, seals, and other necessary parts, to ensure a complete and effective seal replacement. It also includes detailed instructions for installation, making it suitable for both professional mechanics and DIY enthusiasts. This kit is a convenient and reliable solution for addressing crankshaft seal issues in a car, providing all the necessary products in one package.