Pentair/Sta-Rite O-ring Diffuser U9374Z The Pentair/Sta-Rite O-Ring Diffuser U9374Z is a versatile and reliable replacement part designed for a wide range of pool and spa inground pumps. This generic O-83 style O-ring offers a snug fit and dependable sealing for various Pentair and Sta-Rite models, as well as several other popular brands. Compatible Models Sta-Rite Pumps: Dyna-Pro / Dyna-Pro E Dyna-Glas / Dyna-Max Max-E-Pro Max-E-Glas / Dura-Glas Max-E-Glas II / Dura-Glas II Pentair Pumps: Dyna-Wave Dyna-Jet TPE IntelliPro VS (model 3050) Also replaces: Advance OV11332 Harmsco 930 Hayward SP4000Z1 Jacuzzi 13102306R Pentair/Pacfab 274494 Sta-Rite U9156, U9185, U9374 Sta-Rite/Swimquip 355051424 Key Features Universal Fit: Matches O-83 dimensions for a wide range of pump models. Quality Construction: Made from durable, chemical-resistant rubber for long-lasting performance. Reliable Seal: Designed to help prevent leaks and support efficient pump operation. Easy Replacement: Installs quickly, making routine maintenance simple. Benefits Versatile Application: One O-ring fits multiple pump brands and models, reducing the need for multiple parts. Supports System Efficiency: Helps maintain proper water pressure and flow by forming a secure seal. Cost-Effective Solution: A practical replacement for several OEM part numbers. Specifications Part Number: U9374 (also replaces O-83 and multiple other part numbers) Material: Chemical-resistant rubber Use: Diffuser O-ring for pool and spa inground pumps Select the Pentair/Sta-Rite O-Ring Diffuser U9374Z for a dependable seal and broad compatibility across your pool and spa equipment.