The General Pump Emperor Series 1500 PSI 21.0 GPM Solid Shaft Triplex Pressure Washer Pump (HTCK3623S) is the perfect fit for car washes and other high pressure applications. The Emperor HTCK3623S Pump handles rigorous duty cycles, high temperatures and chemicals found in the hardest-working environments. Nickel-plated forged brass manifold with an exclusive lifetime warranty, heavy-duty tapered roller bearings, and ceramic plungers all add high levels of durability. High-tech packings provide longer maintenance intervals.