The Best Triplex Pressure Washer Pump

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To maintain consistency in your pressure washer, you need a very good pressure washer pump which is designed for high pressure and longer hours. Since triplex pressure pumps can do the job buyers often ask, what’s the best triplex pressure washer pump?. Don’t worry, we are here to review some of the best brands the market has got to offer.

How To Remove Pump From Pressure Washer?

Best Triplex Pressure Washer Pump 

Below is the list of our top seven products:

Annovi Reverberi RMW25G28-EZ Triplex Plunger Pump

This product is designed for vertical gas engine-driven units and it comes in two mounting configurations. It is designed to mount directly on engine shaft through its keyed hollow shaft connection system. This makes it perfect for most vertical gas engines having between seven to eight-inch diameter shaft. It can also deliver up to 2.5 gallons per minute at 2800psi.

This pump has pistons made from hardened tempered steel and pumps head made from pressed brass all of which guarantees durability. it is a 3-piston pump with an alternating volumetric feature which is compatible with most cleaning units. It can also be coupled directly with various motor types.


  • Built-in pressure control valve 
  • The downstream chemical injection system
  • EZ start valve and thermal relief valve.


 AAA Technologies Triplex Plunger Pump

This product is crafted with a power boost technology that delivers up to 3800psi at 3.5 gallons per minute. This product offers an adjustable unloader system with superb ergonomic control. You don’t have to get a dipstick installation as this pump comes with an average oil seal technology to prevent leakages.

This product is crafted using the finest brass manifolds for durability, and it also comes with a one-inch hollow shaft that goes well on most horizontal shaft engines. It comes with fully installed dual oversized radial ball bearings which work to create resistance against friction. It is also protected with a thermal relief mechanism that works against overheating.  


  • Enhanced cleaning performance 
  • Doesn’t require dipstick 
  • Designed with oil seal technology 


  • Seal weakens too regularly 

CANPUMP Triplex High-Pressure Power Washer

This product delivers up to 3600psi at 4.76 gallons per minute which is an excellent quality you wouldn’t find in just any Triplex pump. It has a stainless steel coated plungers. The manifold is made from forged brass and it comes with detachable unloader valves both of which provide resistance against corrosion. The water inlet as well as the unloader are detachable and can be converted into separate water inlet. 

This product gives an assurance of quality pressure and durability. It comes with pressure relief valves with reinforced pop-off valve cage to ensure your pump last longer.


  • Perfect pressure pump 
  • Works silently 
  • Highly durable 


  • Pressure hose outlet could be wider 

AAA Industrial Triplex Plunger Pump

You definitely won’t be going wrong if you choose this product which supplies up to 4.0 gallons per minute using 4200psi. This pump capacity is powered by a superb power boost technology which combines a fully adjustable unloader system and ergonomic control.

You won’t be needing dipstick in this product as it comes with an oil seal technology and sight glass to prevent minor leakages and spillage. The product is prevented from overheating with its internal thermal relief protection. It is also non-corrosive as the crankcase was made from fully anodized die-cast aluminum.  It comes with dual oversized radial ball bearing which works to provide resistance against friction.


  • Fully anodized die-cast aluminum crankcase
  • Thermal relief protection against overheating 
  • Power boost technology


  •  Oil seal technology isn’t so strong 

AAA Pumps 90037 AAA Technologies Triplex Plunger Pump 

This product also comes with power boost technology that launches its pumping capacity of 2.5 gallons per minute using 3500psi. It comes with crankcase crafted from anodized die-cast aluminum which isn’t corrosive and as such, provides an adequate seal against lube failure or contamination. The product is designed to fit horizontal shaft engines as it comes with a gas engine flange and a one-inch hollow shaft.

It also has a polished stainless steel piston for more prolonged seal life. This product comes with thermal relief protection against overheating, and it has dual oversized radial ball bearing to provide enough resistance against friction and wears. The presence of an average oil seal technology and sight glass makes it unnecessary to use a dipstick.


  • Power boost technology 
  • Average pumping capacity 
  • Friction and corrosion resistant 


  • Water-pressure a bit too average 

Danau Triplex High-Pressure Power Washer Pump  

This product comes with a high-quality brass head which is designed to fit most horizontal shaft engines. This product has a rated pressure capacity of 3.3 gallons per minute using 3000psi which is average but still great for installation in most pressure washers.

It is designed to have universal fitness on all medium pressure washer that comes with a ¾ inch shaft. It is a perfect pump replacement for most pressure washer as you will enjoy standard M22 hose connectors and wouldn’t have to worry about getting additional fittings. 


  • Great pumping capacity for average size pressure washer 
  • Non-corrosive heavy brass head 


  • Doesn’t come with thermal relief protection 

AR North America RSV4G40-PKG Triplex Plunger Pump

This product has really exciting properties. First, this product offers 4000psi at the maximum operational level, releasing up to 4.0 gallons per minute, and with a rotation of 3400RPM. It has a unique 3/8-inch F inlet thread and a one-inch shaft.

It comes with an average oil seal technology and sight glass that help prevent unwanted leakages. If well maintained, this product can deliver up to 500 hours of high pressure pumping at the maximum 4.0GPM. It also comes with friction resistance and anti-corrosion technology to ensure durability. Hence, it will make a huge difference in any standard pressure washer.


  • Delivers high-pressure pumping
  • Operates up to 500 hours 
  • Excellent RPM


  • Seal technology is a bit too average 
  • A bit noisy 


Trying to buy a very good triplex pump seems to be a quite tricky task because of so many similar products out there, However, based on the most real reviews from customers, we have reviewed the best triplex pressure washer pumps that are currently in the market. We strongly hope that choosing from any of these top seven products will guarantee the durability and functionality you are searching for. 

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