High Pressure Washer Pump 3/4″ – Honda GC190 GX200 3000 PSI 3.1 GPM 3400 RPM AR by | Jul 23, 2026Honda GC190 5.2 HP. Honda GX200 Engine. Plunger on this pump is ceramic. Pressure washer pump has a forged brass manifold. DeWalt 3000 Honda GX160 Engine.