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.
Other parts on the same Polaris 3900 Sport Pressure Cleaner
OEM Polaris Sand and Silt Bag K18 is a high-efficiency debris bag specifically designed to fit Polaris 280, 360, and 3900 Sport pool cleaners. Crafted from a fine mesh material, it traps smaller particles like sand and silt, enhancing your cleaner’s ability to maintain a spotless pool. This replacement bag installs quickly and holds up under frequent use and exposure to chemicals. Its precision design ensures a secure fit, contributing to less manual vacuuming and more effective automatic cleaning cycles.
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Compatible with Polaris 280, 360, 3900: Tailored for direct use with these models, offering optimal cleaning support.
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Captures Smaller Particles: Mesh bag targets debris such as fine sand and silt that may pass through standard bags.
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Durable Mesh Construction: Engineered for extended use with resistance to tearing and chemical degradation.
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Easy to Install and Remove: Quick-release connection makes cleaning bag replacement fast and user-friendly.
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Enhances Cleaning Results: Supports consistent pool cleanliness by capturing fine debris during every cycle.
- Polaris Pool Cleaners: 280, 3900





