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When a SHURflo macerator pump loses suction or starts running weak, a worn impeller is often the cause. This kit gives you the replacement part to rebuild the pump instead of buying a new one.
The impeller is molded plastic and sized to drop into the SHURflo pump housing, restoring the grinding and pumping action the macerator relies on.
Rebuilding with the correct impeller kit is a lot cheaper than replacing the whole macerator pump.