CHALLENGER SEAL PLATE O-RING ROUND - 0-419-0

SKU: 0-419-0
Regular price $6.76

Available for pickup at

  • MT Pool Distributor Broward (2) in stock
  • MT Pool Distributor Corporate (58) in stock
  • MT Pool Distributor North (8) in stock
  • MT Pool Distributor South (5) in stock
In stock

The Pentair 355329 Challenger Seal Plate O-Ring delivers the professional-grade sealing performance pool contractors need for reliable pump maintenance and repairs. This genuine Pentair part ensures optimal pressure maintenance and leak prevention in Challenger high flow and high pressure inground pumps, making it essential for pool service companies maintaining commercial and residential installations.

Professional Service Benefits

Engineered with high-quality elastomeric material that resists wear, chemicals, and UV exposure, this O-ring reduces callback visits and extends service intervals. The superior sealing performance prevents costly leaks and maintains optimal system pressure, protecting your reputation for quality workmanship. Easy installation with no lubrication required means faster service calls and improved profitability.

Why Pool Contractors Choose MT Pools

As your trusted B2B partner, MT Pools provides genuine Pentair parts with superior customer service that keeps your business running smoothly. Our wholesale pricing structure supports your profit margins while our reliable inventory ensures you have the parts needed for emergency repairs and scheduled maintenance.

Frequently Asked Questions

Is this O-ring compatible with other pump brands?

Yes, this O-ring is equivalent to Swimquip 31935-0001 Posi-Flo II Lid O-Ring and fits various Pentair Challenger and WaterFall specialty pumps.

Does installation require special tools or lubricants?

No, installation is hassle-free with no lubrication required. Simply inspect for damage, replace if needed, and follow standard pump reassembly procedures.

How often should this O-ring be replaced?

Inspect during routine maintenance and replace if damaged or showing signs of wear. The high-quality elastomeric material provides extended service life in pool applications.

Does MT Pools stock bulk quantities for service companies?

Yes, MT Pools maintains inventory for bulk orders and provides wholesale pricing for pool service companies and contractors with superior customer service support.

Order Your Genuine Parts Today

Keep your service truck stocked with genuine Pentair parts from MT Pools. Our team provides expert technical support and fast shipping to keep your pool service operations running efficiently.

• Genuine Pentair part number 355329 (also known as 355329Z)
• Compatible with Pentair Challenger high flow and high pressure inground pumps
• Fits Pentair WaterFall specialty pumps
• Equivalent to Swimquip 31935-0001 Posi-Flo II Lid O-Ring
• Dimensions: 10-1/2" length x 1/4" height x 10-1/2" width
• High-quality elastomeric material construction
• Excellent resistance to wear, chemicals, and UV exposure
• Superior sealing performance prevents leaks
• Maintains optimal system pressure
• No lubrication required for installation
• Round design ensures snug, reliable fit
• Hassle-free installation and replacement
• Reduces maintenance callbacks and service intervals