Triplex Pressure Washer Pump
Triplex pumps are the gold standard for commercial and professional-grade pressure washers, offering superior durability, performance, and longevity. Their three-piston design provides smoother operation and higher pressure output. Explore our robust selection of triplex pumps for demanding jobs. Match your engine type with a 3/4 shaft pump, or if you need a different fit, check out the 7/8 shaft options. For residential use, the axial pumps offer a more compact alternative.
Prices have eased: the median sits at $49.97, 2% below its level from 32 days ago.
Our top picks: Triplex Pressure Washer Pump
Selected automatically from marketplace relevance and prices of 17 listed offers.
- Budget pick5140112-96 DeWALT Unloader Kit for AAA 5140194-50 Triplex Pressure Washer Pumps
This is a genuine DeWALT unloader kit, MPN 5140112-96, designed for gasoline-powered cold water pressure washers using AAA 5140194-50 Triplex Pumps.
Premium pickCAT 66DX Pressure Washer Triplex Pump w/ Bolt-On Unloader Industrial CAT PumpsThe CAT 66DX Pressure Washer Triplex Pump is an industrial-grade water pump featuring a bolt-on unloader.
Top 5: Triplex Pressure Washer Pump compared
| # | Product | Price | Rating | Type | Model |
|---|---|---|---|---|---|
| 1 | 5140112-96 DeWALT Unloader Kit for AAA 5140194-50 Triplex Pressure Washer Pumps | $92.99 | — | Unloader Kit | 5140112-96 |
| 2 |  Agricultural Triplex High Pressure Washer Pump Sprayer Pressure Pumps 26/60 | $363.83 | — | Pressure pumps | — |
| 3 | For Mi-T-M 3-0414 Pressure Washer Pump Triplex 3.1GPM@3000PSI 3400RPM 3/4" Shaft | $199.99 | — | Pressure Washer Pump | DBC-15065A |
| 4 |  CAT Pumps 5PP3140CSS Triplex Pressure Washer Pump 4000 PSI 4.0-4.5 GPM | $700.00 | — | — | 5PP3140CSS |
| 5 |  CAT Pumps 67DX39G11 Triplex Pressure Washer Pump Barely Used Commercial OEM | $450.00 | — | Cold Water Pressure Washer | 67DX39G11 |
- 5140112-96 DeWALT Unloader Kit for AAA 5140194-50 Triplex Pressure Washer Pumps
- Agricultural Triplex High Pressure Washer Pump Sprayer Pressure Pumps 26/60
- For Mi-T-M 3-0414 Pressure Washer Pump Triplex 3.1GPM@3000PSI 3400RPM 3/4" Shaft
- CAT Pumps 5PP3140CSS Triplex Pressure Washer Pump 4000 PSI 4.0-4.5 GPM
- CAT Pumps 67DX39G11 Triplex Pressure Washer Pump Barely Used Commercial OEM
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Pressure Washer Pump, 1" Shaft Horizontal Triplex Plunger, 4400 PSI, 4 GPM Flow -
VEVOR Pressure Washer Pump 3/4" Shaft Horizontal Triplex Plunger 3300 PSI 2.5GPM - CAT 66DX Pressure Washer Triplex Pump w/ Bolt-On Unloader Industrial CAT Pumps
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7114675 Simpson AAA OEM Pressure Washer Triplex Pump Kit 4.0 GPM @ 4400 Max PSI -
Pressure Washer Pump 3/4" Shaft Horizontal Triplex Plunger 3300 PSI 2.5GPM -
EW4040 AAA Pressure Washer Pump 4.0 GPM @ 4400 PSI Static 1 Inch Hollow Shaft -
Pressure Washer Pump 1" Shaft Horizontal Triplex Plunger 4000 PSI 4.0GPM -
VEVOR Electric Pressure Washer Pump Kit Triplex Power Washer Pump with 5HP Motor -
Pressure Washing Pump 4000PSI 4.4GPM 1" Shaft Horizontal Triplex Plunger Pumps -
Pressure Washer Pump 4000PSI 4.0GPM 1" Shaft Horizontal Triplex Plunger Power -
Erie Tools Triplex Pressure Washer Pump for Cat General AR, 5 GPM, 3200 PSI -
Triplex Plunger Pressure Washer Pump, 4400PSI 4.0GPM, 1" Shaft, Self-Priming....
FAQ: Triplex Pressure Washer Pump
How much does Triplex Pressure Washer Pump cost?
Across 17 priced offers, prices range from $92.99 to $723.00; the median is $217.65 (as of September 2026).
Which makers offer Triplex Pressure Washer Pump?
Most offers currently come from VEVOR (3), Cat Pumps (2) and Simpson (2) — counted across the listed offers, as of September 2026.
How do you narrow down the right model for Triplex Pressure Washer Pump?
Useful comparison criteria are Pressure (PSI), Flow Rate (GPM), Color, Unit System and Connector Type; this page's filters are built around them.