Pentair PacFab Pinnacle/Challenger 1.0/1.5 HP Impeller (355074) cleaners Replacement is often recommended when

Replacement is often recommended when the original gasket has flattened

Improves both seat comfort and trim presentation

Helps preserve original replacement fit

Supports a more complete and durable skimmer repair approach

Pentair PacFab Pinnacle/Challenger 1.0/1.5 HP Impeller (355074) cleaners Replacement is often recommended whenThis replacement pump impeller is intended for repair situations where small fitment details matter and generic substitutions can create leaks, vibration, or poor service results. Because it is matched to the listed part number, it can help reduce guesswork when replacing older hardware, internal filter parts, pump pieces, or valve components. The 355074 impeller should be matched to the correct horsepower and pump family to help maintain proper water