What This Part Is Used For The Hayward SPX1600R is a diffuser gasket used inside compatible Hayward pump wet ends. It seals the diffuser to maintain proper water channeling around the impeller. This gasket sits between internal pump components. Why This Part Matters A worn diffuser gasket can reduce pump efficiency and allow internal bypass. Poor sealing can result in lower flow rates and inconsistent pressure. Replacing the gasket restores proper hydraulic performance. Key Features and Specifications Manufacturer part number SPX1600R Diffuser gasket Used in pump wet end assembly Helps maintain internal water seal For compatible Hayward pump models Installation and Fitment Guidance Inspect diffuser surfaces before installation. Replace gasket whenever the wet end is opened. Confirm by manufacturer part number before ordering. About the Hayward Brand Hayward builds complete residential pool systems including pumps, filters, heaters, automation controls, cleaners, and chlorination products. Their pump designs allow for targeted replacement of internal sealing components. Proper internal sealing ensures consistent water flow and energy efficiency. Genuine Hayward gaskets are molded to match specific assemblies. Common Service Context This gasket is typically replaced during full wet end rebuilds. Techs often install a new one when replacing impellers or shaft seals.
