Universal Fit HydroJet 4000 Psi 4 GPM Gas Engine Flange Pressure Washer Pump

Direct Drive Horizontal Triplex Plunger Replacement Pump

  • Universal Compatibility: Fits various pressure washer brands and models, supporting up to 4000 PSI and 4.0 GPM. Save money by replacing the pump rather than buying a new pressure washer.

  • Robust Design: Equipped with a 1" hollow shaft and SAE gas engine flange, this pump is ideal for gas-powered pressure washers with horizontal engines.

  • Durable Brass Pump Head: Features a corrosion-resistant, forged brass manifold with polished ceramic-coated pistons, ensuring cooler operation and extended pump life. 

  • Maintenance Made Easy: Fully anodized black die-cast aluminum crankcase with ribs for ultimate cooling capability

  • Enhanced Durability: oversized radial ball bearings and polished pistons provide excellent wear resistance, extending seal life. Includes a stainless steel integrated unloader with an easy-start system

  • This pump does not include an unloader, you can find our universal unloader kit HERE

Bore/Plunger Dia.: 15mm
Stroke: 10mm
Fluid End/Manifold Material: Brass Forged
Version/Type: A5 Version, Engine Direct Drive
Flange Type: A5 (Fits engine 9-13hp)
Shaft Dia.: Hollow Shaft 1"-25.4mm
Max Input POWER: 13HP
Max Input RPM: 3400RPM
Port On Pump: Inlet 3/8", Outlet 1" (On pump side)
Unloader/Pressure Regulator: Not included click HERE
Inlet/Port On Unloader: Inlet 3/4" (BSP or NH), Outlet 3/8" Quick Connect
Oil Capacity: 550ml
Oil Type: SAE 15W/40 Non-Detergent
Water Inlet Pressure: 0-50psi
Max Inlet Water Temp.: 122℉