U.S. Seal Shaft Seal [PS-1904] [3/4" Shaft] [Silicon Carbide] (PS-1904)
| Pump Parts | |
| US Seal Manufacturing | |
| PS-1904 | |
| 35-423-1082 |
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The U.S. Seal PS-1904 shaft seal is designed for compatible 3/4 inch shaft pump applications that benefit from a premium silicon carbide sealing interface. When rebuilding a pump with a larger shaft size, using the correct seal is essential not just for stopping leaks, but for protecting the motor and preserving the integrity of the full wet-end repair.
This part is especially useful when the original seal has begun to leak under load, shows visible wear, or failed sooner than expected. Silicon carbide construction makes it an attractive upgrade path for technicians who want something more robust than a basic replacement.
The PS-1904 is a smart service choice for repair work that values durability, precise compatibility, and a more professional finished result.
- U.S. Seal PS-1904 shaft seal
- For compatible 3/4 inch shaft applications
- Silicon carbide sealing surfaces
- Ideal for premium wet-end service and rebuild work
- Helps protect the motor side from moisture intrusion
US Seal Manufacturing – Pump Shaft Seals, Mechanical Seals and Replacement Seal Kits |
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Who is US Seal Manufacturing?
US Seal Manufacturing is a leading producer of mechanical seals and sealing components, widely used in pool, spa, and water system pumps. Since 1985, the company has built a reputation for precision engineering and dependable performance in demanding fluid-handling applications. What products does US Seal Manufacturing specialize in?US Seal Manufacturing specializes in pump shaft seals, mechanical seals, and replacement seal kits. Their products are designed to prevent water leakage along pump shafts, protecting motors and maintaining proper system operation. These components are essential for pool and spa pump maintenance and repair. Why choose US Seal Manufacturing parts for your pool or spa?US Seal products are known for durability, precision fit, and resistance to heat and chemical exposure. Their seals are engineered to perform reliably in chlorinated and saltwater environments. Pool professionals choose US Seal for high-quality replacement parts that help extend pump life and prevent costly damage. How do you identify and choose the correct US Seal Manufacturing part?To select the correct seal, it’s important to match the pump model, shaft size, seal type, and material compatibility. Reviewing part numbers and specifications ensures proper fit and performance. Choosing the right seal helps prevent leaks and maintain efficient pump operation. Need help finding the right US Seal Manufacturing part?At Bath & Spa Parts Online, we carry a wide selection of US Seal Manufacturing pool, spa, and bath parts ready to ship. Can’t find what you need? Contact our Product Specialists at 800-918-9143, use the live chat, or visit our Contact Us page. For installation guides, part diagrams, and troubleshooting resources, visit the Bath & Spa Parts Online Knowledge Base for expert support. |
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