Pentair Shaft Seal, 5/8" Shaft, Buna (354545S) suctions and part number is important

and part number is important before installation

Useful when substantial additional panel reach is required

a replacement option when the existing cylinder is damaged

this Waterway black weir door assembly is a practical replacement when the original skimmer door needs renewal

Pentair Shaft Seal, 5/8" Shaft, Buna (354545S) suctions and part number is importantService a leaking pump wet end with this 5 8" Buna shaft seal. The seal creates a critical barrier between the impeller area and the motor side of the pump, helping prevent water from reaching bearings, windings, and other motor components. This replacement is commonly used when water is dripping from the seal plate area, when the motor is being replaced, or when the pump is already disassembled for impeller work. Correct installation and clean seal