Sundance® 125 Sq/Ft Spa Filter Cartridge (1995–2001) – Heavy-Duty Replacement – part #6540-490

$102.11

Sundance® 125 Sq/Ft Spa Filter Cartridge (1995–2001) – Heavy-Duty Replacement – part #6540-490

$102.11
Description
This heavy-duty 125 sq ft pleated filter cartridge (Part #6540‑490) is OEM-compatible and engineered for large Sundance spa models (1995–2001). Durable, easy-to-clean, and compatible with top aftermarket brands for maximum performance.

Product Description

  • OEM-quality pleated filter cartridge designed specifically for Sundance® spa models from 1995–2001.

  • Provides 125 square feet of filtration surface area, ideal for large-volume hot tubs.

  • Horizontal pleat construction enhances water flow while trapping fine particles and oils.

  • Compatible with Sundance models including Altamar, Calypso I & II, Cameo, Capri, Marin, Maxxus, Optima, Rio, Royale, Aruba, and Bahia.

  • Features beveled open bottom and closed top for a precise fit in older inset filter systems.

  • Replaces Sundance part #6540-482 and works with several aftermarket brands.

  • Equivalent to Filbur FC‑2790, Unicel C‑8325, Pleatco PSD125U, and Darlly 81254.

  • Recommended replacement every 6–12 months based on spa usage and water quality.

Product Specification

Brand Sundance Spas
SKU 6540-490
Dimensions 19 x 8.5 x 8.5 in
Barcode 810143020205
Weight 5.07 lb

Filter Dimensions

Diameter 8.5"
Length 18" to 18.5"
Hole Size 2.625"
Sq. Ft 125
Replacement(s) FC-2790

FAQ

Q: Which Sundance models use this filter?

A: This cartridge fits many older Sundance spas made between 1995 and 2001, including Altamar, Calypso I & II, Cameo, Capri, Marin, Maxxus, Optima, Rio, Royale, Aruba, and Bahia.

Q: Can I clean and reuse this filter?

A: Yes, it can be rinsed with a garden hose and reused. Most filters last 6 to 12 months depending on spa usage and maintenance.

Q: What are the dimensions?

A: The filter measures approximately 18–18.5″ in length × 8½″ in diameter with a 2.625″ center hole.

Q: Are there aftermarket alternatives available?

A: Yes, this filter is equivalent to Filbur FC‑2790, Unicel C‑8325, Pleatco PSD125U, and Darlly 81254.

Directions

Turn off spa and open filter compartment.

Remove old cartridge and rinse thoroughly.

Install new cartridge ensuring snug and level seating.

Replace filter lid and resume system power.

Rinse every 4–6 weeks; replace cartridge every 6–12 months or sooner as needed.

Customer Reviews

Based on 198 reviews
54%
(107)
46%
(91)
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J
Jesse Z.
Highly recommend

I had no trouble replacing the old part. Great product and even better support.

E
Elliot H.
Just what I needed

Can’t believe I didn’t replace this sooner. Total game-changer for my spa.

E
Elliot H.
Highly recommend

I had no trouble replacing the old part. Great product and even better support.

E
Elliot H.
Highly recommend

Can’t believe I didn’t replace this sooner. Total game-changer for my spa.

J
Jesse Z.
Five stars

Outstanding quality and fast shipping. This product exceeded all expectations.

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