Keep your pump running efficiently with the Hayward SPX4000B NorthStar Diffuser. Shasta Pool Supply offers the best prices and fast shipping. Specifically, NorthStar Diffuser directs water evenly through the pump impeller, helping maintain strong suction and reliable circulation for your pump.
Hayward SPX4000B NorthStar Diffuser
Hayward offers durable genuine OEM replacement parts, with a perfect fit. Furthermore, crafted from durable, corrosion-resistant materials, the SPX4000B diffuser ensures long-lasting performance even under demanding pool conditions. Additionally, SPX4000B NorthStar Diffuser requires replacement when cracks, and wear appear.

Collapsible content
Key Features
- OEM Hayward Replacement: Genuine factory part ensures compatibility and reliable performance.
- Durable Construction: Built from high-strength materials to withstand heat, pressure, and chemical exposure.
- Optimized Flow: Maintains proper suction and hydraulic balance for efficient pump operation.
- Easy Installation: Designed for quick, hassle-free replacement with standard tools.
Technical Specifications
- Compatible with: SP2600X5, SP2605X7, SP2607X10, SP2610X15, SP2615X20, and other compatible series.
- Material: Heavy duty molded plastic.
Specs
- Part Number: SPX4000B
- Manufacturer: Hayward
Pool Supply Store
Limited Time Sale
Find the best pool equipment to complete your entire pool system. The lowest possible prices offered at fastest shipping.
-
Open Box Pentair Plus40 Salt Chlorine Generator Cell 523735-EC
Regular price $1,509.00 USDRegular priceUnit price / perSale price $1,509.00 USD -
Pentair IntelliCenter Personality Upgrade Kit i8P | Single Body 521910
Regular price $650.00 USDRegular priceUnit price / per$1,995.00 USDSale price $650.00 USDSale -
Mushroom Propane Patio Heater SIH01-HB | SI 87" Tall Hammered Bronze w/ Pilot
Regular price $109.00 USDRegular priceUnit price / per$199.99 USDSale price $109.00 USDSale
What our customers are saying
Online help made this happen it was fast and convient prices were fair
Online help made this happen it was fast and convient prices were fair
Christopher D
Called the Phoenix office and gentleman who assisted me was very helpful and confirmed they had what I was looking for.
Called the Phoenix office and gentleman who assisted me was very helpful and confirmed they had what I was looking for.
Douglas S
Very friendly and knowledgeable staff! Answered all of my questions and provided some information I wasn't aware of which was very helpful.
Very friendly and knowledgeable staff! Answered all of my questions and provided some information I wasn't aware of which was very helpful.
Wade L
FAQ
Our expert staff answers customer's most asked questions.
Why am I being charged shipping for a return?
For detailed information regarding shipping charges for returns, please review our shipping policy.
What shipping options do you offer?
We offer local pick-up at both our Phoenix and Mesa locations, along with Free Shipping on orders $150 or more. To learn more about our shipping options, click here.
How will I know when my order is ready for pickup?
You'll receive an email notification when your order is ready to be picked up.
Learning Center
Blog posts
The latest news and guides making buying and maintaining pool equipment easier.
-
What Raypak Heater Error Codes Mean and How to ...
If you’ve ever glanced at your Raypak heater and seen codes like BD1, PRS, or HL1 blinking back at you, we understand how confusing they can be. Half the time,...
What Raypak Heater Error Codes Mean and How to ...
If you’ve ever glanced at your Raypak heater and seen codes like BD1, PRS, or HL1 blinking back at you, we understand how confusing they can be. Half the time,...
Learn More -
How to Fix Foamy Hot Tub Water: A Simple Soluti...
Do you find your hot tub has a layer of stubborn foam floating across the water? It’s frustrating and one of the most common issues hot tub owners face. Between...
How to Fix Foamy Hot Tub Water: A Simple Soluti...
Do you find your hot tub has a layer of stubborn foam floating across the water? It’s frustrating and one of the most common issues hot tub owners face. Between...
Learn More -
How to Calculate the Perfect BTU Heater Size fo...
Does shopping for a new pool heater feel like reading a foreign language. For most pool owners, that’s exactly what happens. You see numbers like “200K,” “350K,” or “400K BTU”...
How to Calculate the Perfect BTU Heater Size fo...
Does shopping for a new pool heater feel like reading a foreign language. For most pool owners, that’s exactly what happens. You see numbers like “200K,” “350K,” or “400K BTU”...
Learn More



