US Seal Shaft Seal [PS-3864 5/8" Viton] (PS-3864) pumpparts the right Waterway body helps

the right Waterway body helps restore the assembly from its foundation upward

Matching the correct white collar helps preserve intended fit and maintain a clean finished look at the skimmer area

The 15 inch by 2 inch body

Installing the correct Pentair/PacFab diffuser can help restore internal flow characteristics and improve the overall quality of the pump rebuild

The 1-628B-S is a practical service part when a compatible CTI spa system needs a topside to restore dependable user control

US Seal Shaft Seal [PS-3864 5/8" Viton] (PS-3864) pumpparts the right Waterway body helpsThe US Seal Shaft Seal [PS 3864 5 8" Viton] is a replacement pump shaft seal from US Seal Manufacturing designed to help prevent water from leaking along the pump shaft in compatible pool and spa pump assemblies. Shaft seals are critical service parts because they protect the motor side of the pump from water intrusion while allowing the impeller and shaft to rotate properly. This seal is intended for pump repair situations where the existing seal is