Description
Replacement diffuser mounting plate (Pentair 355317Z) for Challenger high-pressure pumps (0.75-3 HP); also fits AF-75/AFP-75 WaterFall and Pinnacle High Pressure models. It fastens the diffuser to the seal plate and keeps the impeller aligned for proper clearances and priming. This is an OEM plate; use hex-washer screws (355334) to mount the diffuser.
