Pentair Sta-Rite DuraGlas II 3/4" Shaft Seal, Buna, Pre-1998 (U109-372SS) complete kit Light gaskets are essential for

Light gaskets are essential for maintaining a watertight seal around underwater lighting components

the whole filter can feel less dependable than it should

A diaphragm is useful because it is a key internal pumping component that helps move chemical solution through the system

ring replacement

and finish listed in the product name help match the look and performance of the existing jet

Pentair Sta-Rite DuraGlas II 3/4" Shaft Seal, Buna, Pre-1998 (U109-372SS) complete kit Light gaskets are essential forThis Pentair Sta Rite replacement is built for pump repair and helps service older DuraGlas II pumps using a pre 1998 3 4 inch Buna seal. It helps reduce leaks at the motor interface, making it a practical choice when the original part is cracked, worn, leaking, stripped, brittle, or missing. It is especially useful for targeted repairs where replacing a larger pump, filter, or cleaner assembly is not necessary. Confirm the part number, model family,