Pressure Washer Pump, 4400 PSI, 4.0 GPM, 1″ Shaft Horizontal Triplex Plunger, Re by | Jul 24, 2026High-Pressure Resistant Structure: Say goodbye to impurities damaging your plunger! Our power washer pump strengthens plunger hardness to improve wear resistance and prolong the life of water/oil seals.
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