The Reinz Crankshaft Seal - 813939100 is a high-quality, durable seal designed to fit onto a crankshaft and prevent oil and other fluids from leaking out. It is made of high-grade materials and is precision-engineered to ensure a tight and secure fit. This seal is compatible with a wide range of vehicles and is easy to install. It helps to maintain the proper functioning of the engine by keeping it free from leaks and contamination. The Reinz Crankshaft Seal - 813939100 is a reliable and long-lasting solution for any crankshaft sealing needs.