Hayward SPX3021C Impeller, 2-1/2 HP Max Rated / 2 HP Full Rated (Super II SP3000 / SP3000X)
Hayward SPX3021C is a genuine replacement impeller for the Hayward Super II pump family. This impeller is commonly identified as the 2 HP full-rated (often referred to as 2-1/2 HP max-rated in listings) impeller used on compatible SP3000 and SP3000X series Super II pumps. Replacing a worn, cracked, or clogged impeller can restore proper flow and pump performance.
Key Features
Part Number: SPX3021C
Brand: Hayward
Type: Pump impeller
Common Rating Reference: 2 HP full-rated / 2-1/2 HP max-rated (application dependent)
Pool Type: In-ground
Genuine Hayward replacement part
Common Compatibility (Verify Before Ordering)
Hayward Super II pump series: SP3000
Hayward Super II pump series: SP3000X
Often listed for Super II models such as SP3007(EEAZ), SP3010(EEAZ), SP3015(EEAZ), SP3020(EEAZ), SP3025(EEAZ), SP3030(EEAZ) (verify your exact model)
Common Reasons to Replace
Reduced flow or weak return pressure (after confirming clean baskets/filter)
Cracked or damaged impeller vanes
Debris blockage inside the impeller eye
Noise/vibration caused by impeller damage or imbalance
Installation Notes
Disconnect power at the breaker and relieve system pressure before servicing.
Confirm the pumps total horsepower (THP) / service factor and match the correct impeller.
Replace the pump shaft seal during impeller service to help prevent leaks into the motor.
Inspect the diffuser and housing gasket/O-rings and replace any worn seals while the pump is open.
Prime the pump properly after reassembly and check closely for leaks.
Related Products
Hayward SPX3021C (This Impeller)
Hayward Super II (SP3000) Pump Parts
Hayward Super II Shaft Seals
Hayward Super II Diffusers
Hayward Super II O-Rings & Gaskets
Hayward Super II Rebuild Kits
Maintenance Tips
Keep skimmer and pump baskets clean to reduce debris reaching the impeller.
Maintain proper water level to help prevent cavitation and impeller wear.
Address suction-side air leaks promptly to improve priming and reduce pump strain.
If flow drops suddenly, check the filter/baskets first, then inspect the impeller for blockage.
