4.0 Gpm Pressure Washer Pumps

The selection for 4.0 Gpm Pressure Washer Pumps covers 16 offers from makers like Simpson and findmall. Between $130.68 and $700.00 there is something for most budgets; ratings and key specs sit right on every product.

$195.99Median price
$130.68 – $700.00Price range
16Offers with price
Full price analysis →
Price trend

At $120.80, the median price is 3.8% higher than 32 days ago.

Range in this period: $91.67 – $120.80 · As of September 15, 2026
Top brands:Simpson (3)findmall (2)
Common specs:4000 psi (6×)13.75GPH (5×)3400 RPM (5×)
Selection criteria:Pressure (PSI)Flow Rate (GPM)ColorUnit SystemConnector Type

Best 4.0 Gpm Pressure Washer Pumps 2026

Our top picks: 4.0 Gpm Pressure Washer Pumps

Selected automatically from marketplace relevance and prices of 16 listed offers.

  1. CAT Pumps 5PP3140CSS Triplex Pressure Washer Pump 4000 PSI 4.0-4.5 GPM
    Top matchCAT Pumps 5PP3140CSS Triplex Pressure Washer Pump 4000 PSI 4.0-4.5 GPM
    $700.00Find on Amazon →See on eBay →
  2. 1 Inch Shaft Pressure Washer Pump CF 3040 G: 3000 psi @ 4 US gpm
    Budget pick1 Inch Shaft Pressure Washer Pump CF 3040 G: 3000 psi @ 4 US gpm
    3400 rpm1鈥�, hollow3,000 psi
    $132.97Find on Amazon →See on eBay →
  3. EW4040 AAA Pressure Washer Pump 4.0 GPM @ 4400 PSI Static 1 Inch Hollow Shaft
    Premium pickEW4040 AAA Pressure Washer Pump 4.0 GPM @ 4400 PSI Static 1 Inch Hollow Shaft
    20 lbsItalyWater Pump

    The EW4040 AAA Pressure Washer Pump, manufactured by Simpson in Italy, is a robust gasoline-powered water pump.

    $412.99Find on Amazon →See on eBay →

Top 5: 4.0 Gpm Pressure Washer Pumps compared

#ProductPriceRatingTypeCountry of Origin
1EW4040 AAA Pressure Washer Pump 4.0 GPM @ 4400 PSI Static 1 Inch Hollow ShaftEW4040 AAA Pressure Washer Pump 4.0 GPM @ 4400 PSI Static 1 Inch Hollow Shaft$412.99—Water PumpItaly
24000PSI Pressure Washer Pump Power Washer Pump 1" Shaft Hollow 4.0 GPM4000PSI Pressure Washer Pump Power Washer Pump 1" Shaft Hollow 4.0 GPM$178.93—Pressure Washer Pump—
34000 PSI Pressure Power Washer Pump 4.0 GPM 1" Hollow Shaft Water Pump NEW4000 PSI Pressure Power Washer Pump 4.0 GPM 1" Hollow Shaft Water Pump NEW$144.20—Cold Water Pressure WasherUnited States
44000 PSI 4.0 GPM Pressure Power Washer Pump 1" Hollow Shaft Water Pump New4000 PSI 4.0 GPM Pressure Power Washer Pump 1" Hollow Shaft Water Pump New$146.59—Cold Water Pressure WasherUnited States
54000 PSI Pressure Power Washer Pump 1" Hollow Shaft Water Pump 4.0 GPM4000 PSI Pressure Power Washer Pump 1" Hollow Shaft Water Pump 4.0 GPM$145.71—Cold Water Pressure WasherUnited States
See all 4.0 GPM Pumps results Search Amazon →

FAQ: 4.0 Gpm Pressure Washer Pumps

What does 4.0 Gpm Pressure Washer Pumps currently cost?

The 16 priced offers on this page sit between $130.68 and $700.00. The middle price (median) is $195.99 — as of September 2026.

Which brands are listed for 4.0 Gpm Pressure Washer Pumps?

The most represented brands in this overview are Simpson (3) and findmall (2) (offer counts as of September 2026).

How do you narrow down the right model for 4.0 Gpm Pressure Washer Pumps?

Useful comparison criteria are Pressure (PSI), Flow Rate (GPM), Color, Unit System and Connector Type; this page's filters are built around them.