4000 Psi Pressure Washer Pumps
16 offers compared: this page collects listings for 4000 Psi Pressure Washer Pumps priced from $144.20 to $749.99. Every product card leads to a detail page with specifications and an editorial take.
At $90.24, the median price is 7% cheaper than 32 days ago.
Our top picks: 4000 Psi Pressure Washer Pumps
Selected automatically from marketplace relevance and prices of 16 listed offers.
Budget pickPressure Washer Pump 4000PSI 4.0 GPM 1" Horizontal Shaft For Honda GX270 GX 390This BFO Pressure Washer Pump is a gas-powered, cold water triplex plunger unit designed for heavy-duty applications.
Top 5: 4000 Psi Pressure Washer Pumps compared
| # | Product | Price | Rating | Type | Horsepower |
|---|---|---|---|---|---|
| 1 | CAT Pumps Pressure Washer Pump, 4000 PSI, 3.5 GPM, Direct Drive, Gas | $399.00 | — | WaterPump | 13 HP |
| 2 | NorthStar Pressure Washer Pump, 4000 PSI, 3.5 GPM, Direct Drive, Gas, Model# | $395.99 | — | WaterPump | 13 HP |
| 3 |  Pressure Washer Pump Power Washer Pump 1" Shaft Horizontal 4000 PSI 4.4 GPM | $166.49 | — | Pressure Washer Pump | 10-15HP |
| 4 |  4000PSI Pressure Washer Pump Power Washer Pump 1" Shaft Hollow 4.0 GPM | $178.93 | — | Pressure Washer Pump | — |
| 5 |  4000PSI Pressure Water Pump For 15HP Easy Kleen Magnum 4000 Pressure Washer | $369.99 | — | PUMP | — |
- CAT Pumps Pressure Washer Pump, 4000 PSI, 3.5 GPM, Direct Drive, Gas
- pressure washerNorthStar Pressure Washer Pump, 4000 PSI, 3.5 GPM, Direct Drive, Gas, Model#
- Pressure Washer Pump Power Washer Pump 1" Shaft Horizontal 4000 PSI 4.4 GPM
- 4000PSI Pressure Washer Pump Power Washer Pump 1" Shaft Hollow 4.0 GPM
- 4000PSI Pressure Water Pump For 15HP Easy Kleen Magnum 4000 Pressure Washer
-
4000 PSI Pressure Power Washer Pump 4.0 GPM 1" Hollow Shaft Water Pump NEW -
AR 1" Shaft 4000 PSI PRESSURE WASHER PUMP RSV4G40HDF40-EZ, RSV4G40HDF40EZ -
OEM AR 1" Shaft 4000 PSI PRESSURE WASHER PUMP for Cat Pumps 66DX40G1I, 66DX35G1I -
4000 PSI Pressure Power Washer Pump 1" Hollow Shaft Water Pump 4.0 GPM -
4000 PSI 4.0 GPM Pressure Power Washer Pump 1" Hollow Shaft Water Pump New -
Pressure Washer Pump 1" Shaft Horizontal Triplex Plunger 4000 PSI 4.0GPM - CAT Pumps 5PP3140CSS Triplex Pressure Washer Pump 4000 PSI 4.0-4.5 GPM
-
Pressure Washer Pump 4000PSI 4.0GPM 1" Shaft Horizontal Triplex Plunger Power - Pressure Washer Pump 4000PSI 4.0 GPM 1" Horizontal Shaft For Honda GX270 GX 390
-
Comet Pressure Washer Pump Assembly, 4000 PSI, 3.5 GPM, Belt Drive -
Pressure Washing Pump 4000PSI 4.4GPM 1" Shaft Horizontal Triplex Plunger Pumps
FAQ: 4000 Psi Pressure Washer Pumps
What price range does 4000 Psi Pressure Washer Pumps fall into?
The current span runs from $144.20 to $749.99 across 16 offers with a listed price; the midpoint is $178.93 (as of September 2026).
Which makers offer 4000 Psi Pressure Washer Pumps?
Most offers currently come from BFO (2) and findmall (2) — counted across the listed offers, as of September 2026.
What should you compare when choosing 4000 Psi Pressure Washer Pumps?
Key selection criteria on this page are Pressure (PSI), Flow Rate (GPM), Color, Unit System and Connector Type. The category filters cover each of these, so suitable models can be narrowed down step by step.