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6540-507 spa filter equivalents
Part number 6540-507 appears in 1 cross-reference row below. Each row lists the OEM, Unicel and Pleatco numbers that the source documents treat as interchangeable, plus the cartridge size so you can confirm against your old filter.
The same numbers, on one page, are in the cross-reference lookup. A schedule for this part number, and the buy link, are on the replacement schedule and reorder page. Published intervals by brand are in the replace and clean calculator.
Sundance C-8327 cartridge (OEM 6540-488), 8-7/16" (214 mm) × 19" (483 mm), 125 sq ft. Unicel C-8327, Pleatco PSD125-2000.
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| OEM | 6540-488 |
|---|---|
| Unicel | C-8327 |
| Pleatco | PSD125-2000 |
| Filbur | FC-2780 |
| Size | 8-7/16" (214 mm) × 19" (483 mm), 125 sq ft |
Sources
- Unicel 2026 Replacement Guide: OEM cross reference (Sundance section), PDF p.59 (printed p.55); spec table PDF p.20 (printed p.16) (PDF)
- Leisure Time Inc.: Unicel C-8327 product page: replaces 6540-488; Pleatco PSD125-2000; Filbur FC-2780 (web page)
- Filbur Catalog & Reference Guide: Sundance section, printed p.52 (PDF p.27), lists FC-2780 for OEM 6540-488 (PDF)
- Pleatco 2023 Catalog: spec table, PDF p.35 (PSD125-2000, OEM 6540-488) (PDF)
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