Description
General Pump EZ4040G – Pressure Washer Pump – Bare
General Pump / Interpump EZ4040G pressure washer pump 4000 PSI @ 4.0 GPM is a bare pump with no plumbing. Use your old plumbing parts and save money, OR if your not sure if your parts are OK, please order the EZ4040G-SUB that comes complete !
Standard SAE J609 gasoline mounting flange for up to 13 hp engines
Forged brass manifold with an exclusive lifetime warranty and 3:1 hydrostatic rating
Die-cast, anodized aluminum oil-bath crankcase
Innovative one-piece plunger design to eliminate water entering crankcase
Premium roller bearing
5% reduction in crankcase load compared to standard 4,000 PSI, 15 mm pumps
Unitized stainless steel inlet and discharge valves
Available in L left-handed versions
| Maximum Volume | 4 GPM |
| Max. Discharge Pressure | 4000 PSI |
| Maximum Pump Speed | 3400 RPM |
| Maximum Inlet Pressure | 125 PSI |
| Plunger Bore | .512 in. / 13 mm |
| Plunger Stroke | .512 in. / 13 mm |
| Crankcase Oil Capacity | 14 oz. |
| Maximum Fluid Temperature | 165 degrees F |
| Inlet Port Thread | 1/2 in.- 14 BSPP-F |
| Discharge Port Thread | 3/8 in.- 19 BSPP-F |
| Shaft Diameter | 1.0 in. / 25.4 mm |
| Weight | 20 lbs. |
| Dimensions | 8.8 in. x 9.7 in. x 6.5 in. |
Ash Lee –
Worked great right out the box, easy to install, plenty of power to get the job done.
John McClane –
Amazing pump, works great.