O-359 Diffuser Gasket for Pentair IntelliFlo & WhisperFlo Pumps

The O-359 Diffuser Gasket is a high-quality replacement part designed for Pentair IntelliFlo and WhisperFlo pool pumps. This gasket creates a secure, watertight seal between the diffuser and pump housing, helping maintain optimal water pressure and preventing leaks that can lead to pump inefficiency or damage.

Crafted from durable, chemical-resistant materials, the O-359 is built to withstand pool chemicals, high temperatures, and constant pressure. Whether you're performing routine maintenance or repairing a leaking pump, this gasket offers a simple, cost-effective solution that restores proper function to your pump.

Key Features:

• Compatible with Pentair IntelliFlo and WhisperFlo models

• Seals diffuser to pump housing to prevent leaks

• Made from durable, chemical-resistant rubber

• Helps maintain water pressure and pump efficiency

• Easy to install for DIY or professional repairs

Replacing a worn or cracked diffuser gasket is essential to avoid energy loss, noisy operation, and potential pump failure. The O-359 ensures your pool system runs smoothly, efficiently, and quietly—season after season.

Perfect for:

• Home pool owners

• Pool technicians

• Routine maintenance or emergency repairs