Find your parts diagram
Sticker on the pump body (the part with the basket), not on the motor. Motor labels from Century, A.O. Smith or Regal won't match parts.
Label on the side of the tank near the base. Size is in sq ft, e.g. 420 sq ft = C4030 or CCP420.
Rating plate inside the front access panel. Note the BTU and gas type (NG or LP).
Molded into the body or printed on top. Robotic cleaners: on the power supply.
Still not sure? Call (818) 818-6559 and we'll find it for you.
SW-21-006 | Swimables Pentair WhisperFlo 3HP Impeller | 073131
Fits these models (6)
+2 more models
Pickup, delivery and shipping times are estimates, not guarantees.
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Goes with this part
CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
Other parts on the same Pentair IntelliFlo VS Pump
The Swimables SW-21-006 is a direct replacement for Pentair part 073131, designed for 3 HP WhisperFlo and IntelliFlo pumps. This precision-engineered impeller restores correct hydraulic performance, helping your pump regain flow and pressure lost to wear or damage. Manufactured from durable, corrosion-resistant materials, the impeller resists degradation from pool chemicals and prolonged use. Whether you're rebuilding a pump or repairing a failed unit, this component offers a reliable OEM-style solution for restoring pump efficiency.
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OEM Compatibility with 073131: Engineered to match Pentair’s original 073131 impeller specs (used in WhisperFlo/IntelliFlo 3 HP models) for seamless swap-in performance.
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Restores Pump Flow & Efficiency: Replacing a worn impeller helps recover lost head and flow, improving filtration performance and reducing system stress.
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Corrosion-Resistant Construction: Built to withstand harsh pool chemicals, UV exposure, and persistent operation—ensuring longer service life.
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Precision Engineering: Tolerances and blade design are optimized to reduce imbalance, vibration, and noise, helping promote smooth pump operation.
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Easy to Install Replacement: Designed to slide onto the existing motor shaft and engage the same volute geometry, minimizing labor and ensuring correct alignment.
- Pentair WhisperFlo Pump Models: WFE-12, WF-12, WFK-12
- Pentair IntelliFlo 3HP Pumps
- Pentair IntelliFlo® VS Pump
- Pentair IntelliFlo® VS 3050 Pumps
- Pentair IntelliFlo® VF and VS + SVRS 3HP Pumps
Note: This part may be compatible with your system, please refer to your owners manual to ensure compatibility.