Pentair 350336Z Diffuser O-Ring — For IntelliFlo & WhisperFlo Pumps 🧰 Maintain optimal pump performance and prevent internal leaks with the Pentair 350336Z Diffuser O-Ring, designed specifically for IntelliFlo® and WhisperFlo® pool pumps. 🔹 OEM Replacement O-Ring — Ensures a tight seal between the diffuser and volute to maintain prime and efficient water flow. 🔹 Fits IntelliFlo & WhisperFlo Models — Compatible with Pentair high-performance pumps including IntelliFlo® VSF, VF, and WhisperFlo® series. 🔹 Prevents Air Leaks & Pressure Loss — A critical sealing component—replace if worn or flattened to restore full pump function. 🔹 Durable, Chlorine-Resistant Material — Built to withstand high temperatures and exposure to pool chemicals. 🔹 Easy Installation — Fits snugly into the diffuser groove; use a silicone-based lubricant (not petroleum-based) during installation for best results. Fits:• Pentair IntelliFlo® Pumps• Pentair WhisperFlo® Pumps• Also used in some Sta-Rite models (verify before ordering) A small part that plays a big role—replace the 350336Z Diffuser O-Ring during pump service or rebuilds to keep your system leak-free and running strong. Part number listed as both: 350336Z, 350336