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.
Pentair 355187 Impeller | 3/4HP FR - 1HP UR | Challenger Pumps
Fits these models
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
OEM Pentair Impeller 355187 is a high-efficiency replacement component for Pentair Challenger high-pressure pumps. Designed for 3/4 HP full-rated and 1 HP up-rated systems, this impeller ensures reliable hydraulic output and proper circulation. Its durable closed-face structure improves water movement and supports pump longevity under high-pressure conditions. With a 5-inch diameter, this part fits precisely in Challenger pump housings to maintain design flow rates and system performance.
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Fits Specific Challenger Models: Designed to match the hydraulic specs of 3/4 HP full-rated and 1 HP up-rated Pentair Challenger pump systems.
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Maintains System Performance: Optimizes pump operation by preserving efficient water movement and minimizing flow disruptions.
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Closed-Face for Efficiency: Helps produce higher head pressure by reducing water turbulence, increasing overall pump efficiency.
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Precision-Matched Dimensions: Outer diameter measures approximately 5 inches, aligning with performance needs of high-pressure applications.
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Durability Under Load: Built with tough materials suited for prolonged operation in high-demand pool environments.
- (1) Pentair 355187 Impeller
- Pentair Challenger Pumps