Stark O-Ring [THS Filter Manway EPDM 50D] (B4951Z)

O-Rings
Stark Filtration
B4951Z
90-341-2502
COMPARE AT $59.92
OUR PRICE $47.93
STOCK STATUS IN STOCK Ships Usually the Same/Next Business Day
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Under 25 lbs. Contiguous USA
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The Stark O-ring is designed for compatible THS filter manway applications where a dependable seal is needed between connected filter components. An O-ring is useful because it helps create a barrier against leaks, supporting cleaner assembly and more dependable pressure retention within the filtration system.

This replacement is especially useful when the original O-ring is flattened, cracked, brittle, stretched, or leaking. The EPDM 50D construction is practical for compatible service work where the correct fit and sealing support are needed to maintain system integrity.

The B4951Z is a practical service part when a compatible Stark THS filter setup needs an O-ring to restore dependable sealing performance and cleaner long-term operation.

  • Stark O-ring
  • Designed for compatible THS filter manway applications
  • EPDM 50D construction
  • Useful when the original O-ring is worn or leaking
  • Supports cleaner and more dependable filtration performance
Stark Filtration – Pool, Spa & Water Filter Components
Who is Stark Filtration?

Stark Filtration offers filtration products and replacement components designed to support clean, clear water in pool, spa, and water treatment applications. Effective filtration is one of the most important parts of system performance, helping remove debris, improve clarity, and protect pumps and other equipment. Stark Filtration products help support reliable water circulation and routine maintenance needs.

What products does Stark Filtration specialize in?

Stark Filtration specializes in filter cartridges, filtration components, and replacement filter products for pool, spa, and water treatment systems. Their products support debris capture, water clarity, and proper circulation.

Why choose Stark Filtration parts for your pool or spa?

What makes Stark Filtration valuable is its focus on dependable filtration solutions that help customers maintain healthier aquatic environments. Quality filter components can reduce strain on equipment, improve water appearance, and support more efficient maintenance. For pool owners, service technicians, and facility operators, Stark Filtration provides practical products that help keep water systems running clean and clear.

How do you identify and choose the correct Stark Filtration part?

To choose the correct part, match the filter model, cartridge dimensions, end cap style, micron rating when available, and system flow requirements. Confirming measurements and part numbers helps ensure proper fit, water flow, and filtration performance.

Need help finding the right Stark Filtration part?

At Bath & Spa Parts Online, we carry a wide selection of Stark Filtration 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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