Swimables | SW-21-199 | WhisperFlo IntelliFlo Style Pump Locking Ring – 3× Stronger & Durable Replacement

Upgrade your pump lid security with the Swimables SW‑21‑199 WhisperFlo IntelliFlo Style Pump Locking Ring. Engineered with 30% more material for enhanced durability, this direct replacement for OEM part 357199 ensures a secure, leak-free seal and long-lasting performance.

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Key Features & Benefits:

• Direct Replacement: Compatible with OEM part number 357199 for WhisperFlo and IntelliFlo (post‑1999) pumps. 

• Heavy‑Duty Construction: Built with 30% additional material, making it three times stronger than stock rings.

• Abrasion‑Resistant: Proven design withstands high tension and frequent use.

• Secure, Leak‑Proof Seal: Cam‑and‑ramp design with a reliable twist‑lock mechanism ensures your lid stays tight and leak‑proof. 

• Easy Installation: Simply rotate the ring counter‑clockwise over the lid until it locks—no tools required.

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Product Overview:
The Swimables SW‑21‑199 Pump Locking Ring is a high-performance replacement designed for WhisperFlo and IntelliFlo pumps requiring OEM part 357199. Made with a reinforced design, this locking ring is 3× stronger than the original, offering superior durability and resistance to wear—even under heavy use. Its cam‑and‑ramp locking mechanism provides a tight, reliable seal that keeps your pump lid secure and leak-free. Easy to install and remove with a simple twist, this locking ring is the ideal upgrade for maintaining pump performance and longevity.