Pressure Washer Pump, 4000 PSI 4 GPM Horizontal Shaft Replacement Pump, 1 Inch Shaft Power Washer Pump for 9‑15 HP Engines Honda GX390 Commercial Industrial Cleaning

• Durable Construction: This pressure washer pump uses solid brass head and black oxidized aluminium housing, with precision crankshaft and zinc alloy rod for rust resistance and long service life.
• Strong Cleaning Performance: The pump delivers 4000 PSI pressure and 4 GPM flow at 3400 RPM, providing stable high pressure to effectively improve cleaning efficiency for daily and professional use.
• Wide Compatibility: Designed with 1 inch horizontal shaft, it fits most 9‑15 HP engines and is compatible with Honda GX390, equipped with standard 3/4 inch inlet and 3/8 inch quick connect outlet.
• Convenient Adjustment & Maintenance: Built-in adjustable unloader valve and pressure gauge for safe pressure control, oil sight glass allows quick oil level check without extra tools.
• Simple Installation: The pump comes pre-assembled with full fittings and clear English manual, enabling quick and accurate setup to restore or upgrade your pressure washer performance.

★This professional horizontal shaft pressure washer pump delivers 4000 PSI and 4 GPM powerful output with durable brass and aluminium build. It offers reliable performance, easy adjustment and wide compatibility with 9‑15 HP engines, ideal for replacing or upgrading pressure washers in daily and heavy-duty cleaning tasks. ★Ideal for: commercial cleaning, industrial equipment washing, driveway cleaning and vehicle washing. ★Specification Model: SJF-1807Q Color: Black Material: Brass, Aluminum Process: Black Oxide Assembly Required: Yes Oil Model: SAE15W-40 Flow: 15L/min, 4GPM Pressure: 275 bar, 4000psi Power: 13hp, 10kW Speed: 3400rpm Interface: 3/4'', 3/8'' Shaft Diameter: 1 inch Gross Weight: 10kg/ 22.05 lbs; Package Size: 32*24*18 cm/ 12.6*9.45*7.09 in Product Size: 30.36*25.63*20.29 cm/ 11.95*10.09*7.99 in ★Package Included 1* Pressure Washer Pump 1* English Manual All Accessories for Installation ★Notes 1.Please read the operating manual completely before use. And pay particular attention to the safety instructions included. 2.It is only suitable for cold water use. 3.Please note that it is not recommended that any pressure wash pump be pressurized beyond its maximum PSI rating, as this may result in pump damage or serious personal injury. 4.The pump does not contain pre-filled oil, so please add oil before use. The oil should be changed approximately every 60 hours of operation. 5.It is only needed to fill the oil to half of the oil level lens that is placed horizontally.