Restore peak performance in your Pentair Challenger high-pressure pool pump with the genuine OEM Pentair Impeller 355604Z. This impeller is engineered for 2 HP full-rated operation or 2.5 HP up-rated applications, delivering precise hydraulic performance, steady flow, and optimal pressure in compatible Challenger pump housings.

Designed for durability and a precise fit, this impeller is a critical component when restoring or servicing Challenger high-pressure pumps. By maintaining correct vane geometry and spacing, it helps reclaim original flow, pressure, and energy efficiency for reliable pump operation.

• OEM Replacement Part – designed specifically for Pentair Challenger high-pressure pump models.
• 2 HP Full Rated / 2.5 HP Up Rated – restores correct performance in designated models.
• Precision Hydraulic Design – maintains correct impeller spacing, vane geometry, and flow alignment.
• Durable Construction – built to withstand high pressure, high flow, and harsh pool environments.
• Drop-in Fit – direct replacement without modification to the pump housing.
• Performance Restoration – helps reclaim original flow, pressure, and energy efficiency of the pump.

Ideal For

• Pool service professionals replacing worn or damaged impellers in Pentair Challenger high-pressure pump systems.
• Pool owners experiencing flow drop, decreased pressure, or reduced performance in Challenger series pumps.
• Systems where the pump motor is still sound, but hydraulic parts (like impeller or diffuser) need replacement to regain performance.
• Installations of high-pressure loops, elevated returns, water features, or long plumbing runs requiring optimized pump performance.

Installation & Compatibility

• Match to Challenger high-pressure pumps rated for 2 HP full rated or up-rated to 2.5 HP.
• Always shut off power and follow manufacturer safety procedures. Installers comfortable with pump housings and shaft seals can perform the replacement.
• For a full system restoration, inspect or replace the diffuser, pump seal, and O-rings alongside the impeller.
• Designed for Challenger high-pressure residential and light commercial applications within the specified range.

Trust this OEM impeller to protect your pump’s performance, efficiency, and reliability. Reclaim optimal flow and pressure with a precise, durable component that fits directly into your Challenger high-pressure system.