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.
C-7656 | Unicel Cartridge Replacement for Hayward Star-Clear Plus C500 Filter 50 Sq. Ft | CX500RE | DPM-7656
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
The Unicel C-7656 replacement cartridge offers 50 sq. ft. of high-capacity pleated filtration media designed specifically to retrofit Hayward Star-Clear and Star-Clear Plus C500 series cartridge filters (also referenced as CX500RE or DPM-7656). Built with 108 pleats of 4-ounce basis weight polyester media, this durable element captures fine debris while maintaining strong flow characteristics. With exact dimensions of approximately 7″ outer diameter and 19 5/8″ length, and a 3″ inner diameter core, it installs directly into compatible housings for a snug, secure fit. The high-performance media is chemically resistant, ensuring long-term durability in pool environments. Ideal for homeowners who want reliable filtration and cleaner, clearer water without replacing the entire tank assembly.
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50 Sq. Ft. Media Area: Offers ample surface area for high-capacity debris capture in mid-size pool systems for standout clarity.
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Precise Direct-Fit Dimensions: Measures roughly 7″ OD × 19 5/8″ length × 3″ ID, matching the OEM C-7656 and CX500RE units for seamless replacement.
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Durable Polyester Pleated Construction: Features 108 pleats of 4-oz media reinforced by a rugged core to resist collapse, chemical degradation and early failure.
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Chemical-Resistant Media: Constructed to withstand exposure to typical pool sanitizers and shock treatments, helping extend cartridge life and maintain system efficiency.
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Compatibility Assurance: Works as a reliable replacement for part numbers C-7656, CX500RE and DPM-7656 in Hayward Star-Clear C500 series filter housings—ensuring proper fit and performance.
- Hayward Star-Clear Plus C500 Filter