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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
Each screw measures 1-1/4 inches in length
Needle Bearings (2)
Type Brand Part Number Notes OEM Compatible American — — OEM Compatible Astral — — OEM Compatible Hayward — — OEM Compatible Pac-Fab — — OEM Compatible Pentair — — OEM Compatible Waterway — — (This is not an exhaustive list
Check your existing unit or equipment manual to confirm whether your system falls within this revision before placing an order
Also known as: C6430AM
Pentair Diffuser | Challenger High Pressure Pump | 355545Z Variants Each screw measures 1-1/4 inchesThe Pentair 355545Z is the OEM replacement diffuser for the Challenger High Pressure inground pump. What It Does The diffuser channels water exiting the impeller into a controlled, decelerating flow path, converting velocity into pressure before water exits the pump volute. A cracked, worn, or mismatched diffuser disrupts this conversion, reducing pump output pressure and flow efficiency. Replacing it with the correct OEM part restores designed
