The Zoeller Pump Company Upper Guide Rail Assembly is a 4-inch stainless steel component designed for use in submersible pump installations. This assembly provides a robust and corrosion-resistant solution for guiding pumps into position, ensuring smooth operation and easy maintenance. The stainless steel construction enhances durability, making it suitable for harsh environments. This guide rail assembly is compatible with various Zoeller pump models, ensuring a perfect fit and reliable performance. Its design facilitates quick installation and removal, making it an essential part of any pump system.