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Pressure Washer Pump (EZ4040G)
Why Choose the EZ4040G?
Because when you need serious pressure in a compact build, the EZ4040G delivers power, durability, and efficiency. It installs easily, performs consistently, and withstands demanding use across job sites. Whether you’re upgrading your rig or replacing a worn pump, this model gives you everything you need—right out of the box.
Choose General Pump EZ Series—where performance meets reliability.
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$442.00
In Stock - Limited Inventory
Want to pay with Affirm or Klarna?
Affirm financing is available. Please contact us directly, and our sales team will help you complete your purchase using Affirm. Call us at (800) 439-4465 for assistance.
Want to pay with Affirm or Klarna?
Affirm financing is available. Please contact us directly, and our sales team will help you complete your purchase using Affirm. Call us at (800) 439-4465 for assistance.
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SHOPPERS ALSO CONSIDERED
General Pump EZ4040G – EZ Series Triplex Plunger Pump 4.0 GPM 4000 PSI 1″ Hollow Shaft, Flanged for Gas Engine Mount
General Pump EZ4040G – Compact Power, Built for Heavy-Duty Cleaning
The EZ4040G from General Pump’s EZ Series delivers serious performance.
It’s compact, powerful, and engineered for demanding pressure washing systems.
Moreover, it produces 4.0 GPM at 4000 PSI effortlessly.
Because of that, it handles tough commercial and industrial cleaning jobs easily.
Additionally, this pump provides steady output for high-volume cleaning tasks.
It’s perfect for professionals who need reliability and nonstop performance daily.
With strong construction and smooth flow, it tackles grime with ease.
Therefore, you get lasting cleaning power in a compact, durable package.
Fast, Secure Mounting and Reliable Operation
The EZ4040G features a 1″ hollow shaft flanged for mounting.
It connects directly to engines using an SAE J609B bolt pattern.
Moreover, installation stays quick, simple, and extremely secure each time.
This design fits most standard gasoline engine frames perfectly.
Additionally, the pump runs smoothly at 3400 RPM operating speed.
That speed ensures balanced output with minimal vibration during use.
As a result, your system delivers stable, consistent pressure every cycle.
Efficient Performance and Engine Compatibility
The pump’s .512-inch bore and stroke create ideal water flow.
Moreover, both dimensions work together for maximum pressure and displacement.
It requires only 16.4 GHP for peak operational efficiency.
Because of this, it delivers power without overloading your engine.
Furthermore, the efficient design boosts output while conserving fuel consumption.
That means longer run times and improved job-site productivity overall.
Built Tough for Daily, Demanding Use
Despite its small frame, the EZ4040G performs like a heavyweight.
Its triplex plunger design ensures smoother, more reliable water delivery.
Moreover, solid ceramic plungers resist wear for exceptional service life.
Stainless steel internal parts increase durability under constant heavy use.
Additionally, it weighs only 20 pounds, yet performs like a pro.
Because of that, it’s ideal for portable and stationary systems.
The rugged build keeps maintenance low and performance high daily.
Trusted Performance and Long-Term Assurance
The EZ4040G carries a 5-year limited warranty for peace of mind.
Moreover, it’s trusted by professionals across multiple industries worldwide.
It consistently delivers dependable, high-pressure cleaning every single time.
Therefore, it’s a pump you can trust for years.
Specifications:
- Flow Rate: 4.0 GPM
- Max Pressure: 4000 PSI
- RPM: 3400, for high-output performance
- Shaft: 1” hollow shaft for direct mounting to a gasoline engine
- Flange Type: SAE J609B
- Bore and Stroke: 0.512” (13 mm)
- Horsepower Required: 16.4 GHP
- Weight: 20.0 lbs.
- Warranty: 5-year limited
California Prop 65 Warning: This product may expose you to chemicals including lead. For more details, visit www.P65Warnings.ca.gov.
| Weight | 20 lbs |
|---|---|
| Dimensions | 19 × 13 × 13 in |
| Adjustable Pressure | No |
| Bearing Type | Tapered Roller Bearings |
| Crankcase Material | Anodized Die-cast Aluminum |
| Discharge Thread | 3/8″ |
| GPM | 4.0 |
| Inlet Thread | 1/2″ |
| Manifold Material | Brass Manifolds |
| Oil Capacity | 0.4375 qt |
| Plunger Type | Ceramic Plungers |
| PSI Range | 4,000 |
| Pump Design | Horizontal |
| Brand | General Pump |
| RPM Range | 3,400 RPM |
| Shaft Diameter | 1″ hollow shaft (25.4 mm) |
| Stroke Length | 13 mm |
| Temperature | Cold |
| Valve Type | Stainless steel |
| Warranty | 5 Years |
General Pump delivers dependable pumps and accessories for a wide range of industries across the U.S. and beyond. We combine engineering, advanced technology, and product expertise with a strong focus on customer service. Our motto, “We Will Find a Way,” reflects our commitment to providing solutions that help you get the job done.
With over 110,000 square feet of facilities and 60+ team members in Minnesota and China, we support more than 40 countries. Our Minnesota headquarters unites design, engineering, manufacturing, and distribution under one roof for maximum efficiency.
Shipping Policy
Thank you for shopping with PCE! We’re committed to fast, reliable shipping across the U.S., with most orders processed within 1 -3 business days. Please note that delivery times may vary based on carrier schedules, weather, and order volume.
Some oversized or heavy items require LTL freight shipping. Freight orders may require a custom quote, and we will contact you to confirm shipping costs and delivery details before charging your card and processing the order.
For full details on processing times, shipping restrictions, tracking, and lost or damaged packages, please review our Shipping Policy.
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