Revive the water-moving power of your Pentair pool pump with the Swimables Impeller SW-21-301, an exact-match replacement for the Pentair 355043. Sized for pumps running a 0.5 HP full-rated or 0.75 HP up-rated motor, this impeller fits Pentair Challenger, Pinnacle, SuperFlo, and SuperMax models. Precision-molded from resilient materials, it restores the flow rate and pressure output your pool circulation system was designed to deliver. Swapping in a fresh impeller when the original shows signs of wear is one of the most effective ways to reclaim lost pump performance, and the SW-21-301 makes the job approachable for service pros and weekend DIYers alike.

Key Benefits

• Exact-match for Pentair 355043: Drops right into Challenger, Pinnacle, SuperFlo, and SuperMax pump housings without modification.
• Sized for 0.5 HP full-rated and 0.75 HP up-rated motors: Matched blade geometry delivers the correct flow and pressure for these motor ratings.
• Resilient, precision-molded build: Manufactured from heavy-duty materials that resist erosion, chemical attack, and wear.
• Reclaims lost pump output: Replacing a degraded impeller restores water circulation to factory specifications, boosting filtration effectiveness.
• DIY-accessible installation: Straightforward swap procedure puts professional-grade pump restoration within reach of any pool owner.

Compatibility

• Pentair Challenger Pumps
• Pinnacle Pumps
• SuperFlo Pumps
• Pentair Sta-Rite SuperMax Pumps

Specifications

• Brand: Swimables
• Part Number: SW-21-301

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