The CRP Differential Side Cover O-Ring - 33111204872EC is a high-quality replacement part for your vehicle's differential system. This O-ring is designed to fit perfectly in the side cover of the differential, providing a tight and secure seal to prevent any leakage of fluid. It is made of durable materials that can withstand high temperatures and pressure, ensuring long-lasting performance. This O-ring is an essential component for maintaining the proper function of your differential and should be replaced if it shows signs of wear or damage.