The Corteco Differential Pinion Seal Rear - 01025573B is a high-quality seal designed for use in automotive differentials. It is specifically designed to fit in the rear of the differential and is made from durable materials that can withstand high levels of pressure and heat. This seal is essential for maintaining proper lubrication and preventing leaks in the differential, which is crucial for the smooth operation of the vehicle. It is a reliable and long-lasting solution for keeping your differential in top condition.