H/W SEAL PLATE O-RING - (SPX4000T)

SKU: SPX4000T
Regular price $22.41

Available for pickup at

  • MT Pool Distributor Broward (1) in stock
  • MT Pool Distributor Corporate (3) in stock
  • MT Pool Distributor North (3) in stock
  • MT Pool Distributor South (5) in stock
In stock

The Hayward SPX4000T Seal Plate O-Ring is a critical replacement component that pool service professionals rely on for maintaining Northstar SP4000 series pumps and Sta-Rite Posi-Flo filters. This genuine rubber O-ring ensures proper sealing between the motor/impeller assembly and pump body, preventing costly leaks and maintaining optimal pump performance for your commercial and residential pool installations.

Professional Service Benefits

This precision-engineered O-ring reduces service callbacks by providing reliable sealing performance that pool contractors trust. The 9-1/2" inside diameter and 1/4" cross-section design ensures perfect fit compatibility with multiple Hayward Northstar models, streamlining your parts inventory and reducing truck stock requirements. Professional installation maintains warranty compliance and protects your service reputation.

Why Pool Contractors Choose MT Pools

MT Pools understands that downtime costs money. Our superior customer service ensures you get the right parts fast, with expert technical support from professionals who understand pool equipment. As your trusted B2B partner, we maintain deep inventory of genuine Hayward parts to keep your service operations running smoothly.

Frequently Asked Questions

Which Hayward Northstar pump models use the SPX4000T O-ring?

The SPX4000T fits all Hayward Northstar SP4000 series pumps including SP4005NS, SP4007NS, SP4010NS, SP4015NS, SP4020NS, and SP4030NS models, plus Sta-Rite Posi-Flo filters.

What are the exact dimensions of this seal plate O-ring?

The SPX4000T measures 9-1/2 inches inside diameter, 10 inches outside diameter, with a 1/4 inch cross-section for precise sealing performance.

Is professional installation required for this O-ring replacement?

Yes, Hayward recommends professional installation by qualified personnel to ensure proper sealing, maintain warranty compliance, and follow NEC electrical codes during pump servicing.

Does MT Pools stock other Hayward Northstar replacement parts?

Yes, MT Pools maintains comprehensive inventory of genuine Hayward parts for pool contractors, with superior customer service and fast B2B shipping to minimize downtime.

Order Today

Keep your service operations running efficiently with genuine Hayward replacement parts from MT Pools. Our pool industry experts are ready to support your success with fast shipping and technical expertise you can trust.

• Genuine Hayward part number SPX4000T (also O-239, 9239-04, STWC9-3)
• Compatible with all Hayward Northstar SP4000 series pumps
• Fits Sta-Rite Posi-Flo filters for versatile applications
• Precision dimensions: 9-1/2" ID, 10" OD, 1/4" cross-section
• Durable black rubber construction resists chemicals and wear
• Critical seal between motor/impeller assembly and pump body
• Prevents costly leaks and maintains optimal pump performance
• Professional-grade replacement part for service contractors
• Maintains warranty compliance when professionally installed
• Reduces service callbacks with reliable sealing performance