The PAI Rear Seal and Wear Ring Kit is the perfect solution for keeping your engine running smoothly and efficiently. This kit is designed to provide superior corrosion resistance for long-lasting performance. It is a direct replacement for a proper fit every time and applicable seal or oil pump gaskets are provided for powerful leak prevention. This kit is easy to install and is a great way to ensure your Mack engine is running at its best. FleetPride is your First Click in Heavy Duty®.