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General EZ4040G – Pressure Washer Pump – Bare


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SKU: EZ4040G Categories: ,


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


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


Maximum Fluid Temperature
Inlet Port Thread

1/2″- 14 BSPP-F

Discharge Port Thread

3/8″- 19 BSPP-F

Shaft Diameter


1.0 in. / 25.4 mm


20 lbs.


8.8? x?9.7? x 6.5


Additional information


General Pump


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