The Honda GX390 Pressure Washer Pump is a powerful and reliable choice for cleaning outdoor surfaces. With its high-pressure output and easy-to-use design, this pump is perfect for tackling tough jobs around the home or office. Featuring advanced technology and superior engineering, the Honda GX390 Pressure Washer Pump provides a perplexing combination of complexity and simplicity, with its intricate design providing precision while its user-friendly setup makes it accessible to everyone. With its high-powered performance and versatile features, the Honda GX390 Pressure Washer Pump is sure to provide an exceptional burst of power when tackling any task.
Why Honda GX390 Pressure Washer Pump Is Necessary?
The Honda GX390 pressure washer pump is necessary because it provides the force needed to power a pressure washer. It is designed to generate high levels of pressure and volume, allowing for powerful cleaning of surfaces. With its superior design and reliable performance, the Honda GX390 pump is a great choice for those looking for an effective and efficient pressure washer. Its ability to generate high levels of pressure makes it ideal for cleaning decks, driveways, walls, siding and more. Additionally, the Honda GX390 pump is designed to be easy to maintain and comes with a two-year warranty for added peace of mind.
Comperision Chart for honda gx390 pressure washer pump
SERIAL
1
PRODUCT IMAGE

PRODUCT NAME
4000PSI Pressure Washer Pump Horizontal Shaft 1″ For EB4040HA For Honda GX340 11HP GX390 13HP Engine Powered Pressure Washer For Devilblis EXHP3640 For Annovi Reverberi RKV4G36
ACTION
SERIAL
2
PRODUCT IMAGE

PRODUCT NAME
Simpson Cleaning ALH4240 Aluminum Series 4200 PSI Gas Pressure Washer, 4.0 GPM, HONDA GX390 Engine, Includes Spray Gun and Extension Wand, 5 QC Nozzle Tips, 3/8-inch x 50-foot Monster Hose, (49 State)
ACTION
SERIAL
3
PRODUCT IMAGE

PRODUCT NAME
SIMPSON Cleaning PS4240 PowerShot 4200 PSI Gas Pressure Washer, 4.0 GPM, Honda GX390 Engine, Includes Spray Gun, 5 QC Nozzle Tips, 3/8-inch x 50-foot Monster Hose, (49-State)
ACTION
SERIAL
4
PRODUCT IMAGE

PRODUCT NAME
Pressure-Pro E4042HV Eagle Series Cold Water Direct Drive Pressure Washer, 4200 PSI, 4.0 GPM, GX390 Honda Engine, Viper Pump
ACTION
SERIAL
5
PRODUCT IMAGE

PRODUCT NAME
Ruma Electric Starter Motor Compatible With Honda GX340 GX390 Harbor Freight Predator 420cc Champion 389c 420cc 439cc Engine Pressure Washer Water Pump and More
ACTION
4000PSI Pressure Washer Pump Horizontal Shaft 1 For EB4040HA For Honda GX340 11HP GX390 13HP Engine Powered Pressure Washer For Devilblis EXHP3640 For Annovi Reverberi RKV4G36

Are you looking for a pressure washer pump that can stand up to the toughest jobs? Look no further than the 4000PSI Pressure Washer Pump Horizontal Shaft 1″ For EB4040HA For Honda GX340 11HP GX390 13HP Engine Powered Pressure Washer For Devilblis EXHP3640 For Annovi Reverberi RKV4G36. This pump is designed to withstand the toughest jobs and is built with forged brass manifold for high strength and corrosion resistance. The plunger in this pump is ceramic, making it resistant to pitting and wear. It fits Honda GX340 11HP GX390 13 HP Gas Engine, RSV4G40 RSV4G40HDF40EZ Pump,DeWalt 4240 Honda Engine, Devilblis EXHP3640 Annovi Reverberi RKV4G36, and 4.76 GPM 3600 PSI Triplex High Pressure Washer Pump replaces Cat General AR.
Why We Like This
The 4000PSI Pressure Washer Pump Horizontal Shaft 1″ is specifically designed for tough jobs
Made with a forged brass manifold for high strength and corrosion resistance
The plunger in this pump is ceramic, making it resistant to pitting and wear
Fits a variety of models including Honda GX340 11HP GX390 13 HP Gas Engine, RSV4G40 RSV4G40HDF40EZ Pump,DeWalt 4240 Honda Engine, Devilblis EXHP3640 Annovi Reverberi RKV4G36, and 4.76 GPM 3600 PSI Triplex High Pressure Washer Pump replaces Cat General AR
Has a maximum pressure of 4000PSI
Common Questions & Answers
Q: What type of engine does this pump fit?
A: This pump fits Honda GX340 11HP GX390 13 HP Gas Engine, RSV4G40 RSV4G40HDF40EZ Pump,DeWalt 4240 Honda Engine, Devilblis EXHP3640 Annovi Reverberi RKV4G36.
Q: What type of material is used to make the plunger?
A: The plunger on this pump is made from ceramic material.
Q: How much pressure can this pump handle?
A: This pump can handle up to 4000PSI of pressure.
Additional Product Information
Simpson Cleaning ALH4240 Aluminum Series 4200 PSI Gas Pressure Washer 4.0 GPM, HONDA GX390 Engine, Includes Spray Gun and Extension Wand, 5 QC Nozzle Tips, 3-8-inch x 50-foot Monster Hose, (49 State)

: Simpson Cleaning ALH4240 Aluminum Series 4200 PSI Gas Pressure Washer
The Simpson Cleaning ALH4240 Aluminum Series 4200 PSI Gas Pressure Washer is a powerful and reliable gas-powered washer perfect for professional contractors who specialize in deck cleaning, wood restoration, and other services. With its easy-to-assemble design and easy-to-start HONDA GX390 engine commercial series engine, this pressure washer will make any task a breeze. The aircraft grade aluminum platform with brushed extruded aluminum tubing offers durability and corrosion resistance, while the 10-inch premium pneumatic tires make it easy to maneuver the unit over various terrain and uneven ground. Additionally, this pressure washer includes a Monster 3/8-inch x 50-foot high pressure hose thats kink- and abrasion resistant, five quick connect nozzle tips (0, 15, 25, 40 and Soap), a 16-inch steel wand/lance and a professional spray gun with safety lock out. This pressure washer is compliant with 49 states but does not ship to California.
Why We Like This:
Professional Performance: Easy to assemble and start up with its HONDA GX390 engine commercial series engine.
Power and Durability: Powerful CAT Industrial triplex plunger pump delivers 4200 PSI at 4.0 GPM with thermal relief to prevent overheating.
Sturdy and Portable: Aircraft grade aluminum platform with brushed extruded aluminum tubing offers durability and corrosion resistance; 10-inch premium pneumatic tires deliver ease of maneuverability across various terrain and uneven ground.
Quality Accessories Included: Monster 3/8 inch x 50 foot high pressure hose is kink-and abrasion resistant; 5 Quick connect nozzle tips; 16 inch steel wand/lance; Professional spray gun with safety lock out.
Compliant With 49 States: Does not ship to California; keep max fuel level 1/2 inch below bottom of filler neck to avoid spillage.
Common Questions & Answers
Q: What type of power source does the Simpson Cleaning ALH4240 Aluminum Series 4200 PSI Gas Pressure Washer use?
A: This pressure washer uses gas as its power source.
Q: How durable is the Simpson Cleaning ALH4240 Aluminum Series 4200 PSI Gas Pressure Washer?
A: This pressure washer has an aircraft grade aluminum platform with brushed extruded aluminum tubing offering durability and corrosion resistance as well as a powerful CAT Industrial triplex plunger pump that delivers 4200 PSI at 4.0 GPM with thermal relief to prevent overheating.
Q: What accessories come included with the Simpson Cleaning ALH4240 Aluminum Series 4200 PSI Gas Pressure Washer?
A: This pressure washer includes a Monster 3/8 inch x 50 foot high pressure hose thats kink-and abrasion resistant, five quick connect nozzle tips (0, 15, 25, 40 and Soap), a 16 inch steel wand/lance as well as a professional spray gun with safety lock out.
Additional Product Information
Height | 29 |
Length | 38 |
Weight | 124 |
Width | 23.5 |
Size | 4200 PSI @ 4.0 GPM |
SIMPSON Cleaning PS4240 PowerShot 4200 PSI Gas Pressure Washer 4.0 GPM, Honda GX390 Engine, Includes Spray Gun, 5 QC Nozzle Tips, 3-8-inch x 50-foot Monster Hose, (49-State)

:
The SIMPSON Cleaning PS4240 PowerShot 4200 PSI Gas Pressure Washer is a powerful and durable machine that offers professional performance and ease of use. It features a Honda GX390 engine, a AAA industrial triplex plunger pump that delivers 4200 PSI at 4.0 GPM, welded steel frame construction with powder coated finish, 13-inch premium pneumatic tires for maneuverability, and includes quality Simpson accessories like the Monster 3/8-inch x 50-foot high-pressure hose, 5 Quick Connect nozzle tips: 0, 15, 25, 40 and Soap; as well as an ergonomic spray gun 31-inch steel wand/lance. This 49-state compliant pressure washer is great for professionals who specialize in deck cleaning, wood restoration, paint preparation and more.
Why We Like This:
Powerful Honda GX390 engine offers reliable performance
Delivers 4200 PSI at 4.0 GPM with a AAA industrial triplex plunger pump
Durable welded steel frame construction with powder coated finish
13-inch premium pneumatic tires for maneuverability across various terrain
Includes quality Simpson accessories like the Monster 3/8-inch x 50-foot high-pressure hose and 5 Quick Connect nozzle tips
Common Questions & Answers:
Q: Does this pressure washer ship to California?
A: No, it does not ship to California.
Q: Is it easy to assemble?
A: Yes! The SIMPSON Cleaning PS4240 PowerShot is easy to assemble and easy to start.
Q: Is there any fuel/oil or fuel odor?
A: All pressure washers are 100% functionally tested in factory and may contain minimum residual fuel/oil or fuel odor. To avoid spillage, make sure to keep the max fuel level 1/2 Inch below the bottom of filler neck.
Additional Product Information
Height | 27 |
Length | 37 |
Weight | 141 |
Width | 24 |
Size | 4200 PSI at 4.0 GPM |
Pressure-Pro E4042HV Eagle Series Cold Water Direct Drive Pressure Washer 4200 PSI, 4.0 GPM, GX390 Honda Engine, Viper Pump

The Pressure-Pro E4042HV Eagle Series Cold Water Direct Drive Pressure Washer is a powerful and reliable pressure washer that packs a punch. It features a 4200 PSI and 4.0 GPM, GX390 Honda Engine, and Viper Pump for the ultimate cleaning experience. This pressure washer comes with an aircraft grade aluminum frame with lifetime warranty, large flat free tires, dual padded shock absorbing feet for extra stability, gun/wand holder, and easy access to inlet/outlet fittings.
Why We Like This
Aircraft grade aluminum frame with lifetime warranty strong enough to handle the toughest jobs, but lightweight enough to move around easily.
Large flat free tires no worries about flats or punctures when using this pressure washer.
Dual padded shock absorbing feet prevents walking or slipping during use for extra safety.
Gun/wand holder keeps everything organized and within easy reach when needed.
Easy access to inlet/outlet fittings no need for tools to make adjustments or repairs quickly and easily.
Common Questions & Answers
Q: How powerful is the Pressure-Pro E4042HV Eagle Series Cold Water Direct Drive Pressure Washer?
A: The Pressure-Pro E4042HV Eagle Series Cold Water Direct Drive Pressure Washer has a 4200 PSI and 4.0 GPM, GX390 Honda Engine, and Viper Pump for maximum power and performance.
Q: Does this pressure washer come with any additional features?
A: Yes! It comes with an aircraft grade aluminum frame with lifetime warranty, large flat free tires, dual padded shock absorbing feet for extra stability, gun/wand holder, and easy access to inlet/outlet fittings.
Q: Is this pressure washer safe to use?
A: Absolutely! It has been designed with safety in mind including dual padded shock absorbing feet for extra stability and easy access to inlet/outlet fittings which eliminates the need for tools during repairs or adjustments.
Additional Product Information
Height | 25 |
Length | 41 |
Width | 22 |
Ruma Electric Starter Motor Compatible With Honda GX340 GX390 Harbor Freight Predator 420cc Champion 389c 420cc 439cc Engine Pressure Washer Water Pump and More

Introducing the Ruma Electric Starter Motor Compatible, powered by Honda GX340 and GX390 engines, plus Harbor Freight 420cc 63083 63082 63966 63964, Generac 389cc 420cc engine generator, Champion 389cc 420cc 439cc engine and application, Kohler CH440 engine generator. This electric starter motor is designed to provide reliable power for pressure washers, water pumps and other power equipment. With a one year warranty for quality assurance, you can rest assured that you’re getting a premium product that will last.
Why We Like This
High quality with 1 year warranty for peace of mind
Fits Honda GX340 GX390 engine with many applications
Fits Harbor Freight 420cc 63083 63082 63966 63964 Generac 389cc 420cc engine generator
Fits Champion 389cc 420cc 439cc engine and application
Fits Kohler CH440 engine, generator and other power equipment
Common Questions & Answers
Q: What engines does the Ruma Electric Starter Motor Compatible work with?
A: It works with Honda GX340 and GX390 engines, plus Harbor Freight 420cc 63083 63082 63966 63964, Generac 389cc 420cc engine generator, Champion 389cc 420cc 439cc engine and application, Kohler CH440 engine generator.
Q: Is there a warranty included?
A: Yes! The Ruma Electric Starter Motor Compatible comes with a one year warranty.
Q: Does this electric starter motor work with pressure washers?
A: Yes! This electric starter motor is designed to provide reliable power for pressure washers, water pumps and other power equipment.
Additional Product Information
Length | 7.874 |
Weight | 1745 |
Width | 3.5433 |
Benefits of Honda GX390 Pressure Washer Pump
1. Durable and Reliable: Honda GX390 pressure washer pumps are designed with heavy-duty components that make them highly dependable and virtually maintenance free.
2. Low Noise: Honda GX390 pumps feature a specialized low-noise design that ensures quieter operation compared to other models.
3. Efficient Performance: The design of Honda GX390 pressure washer pumps maximizes efficiency, allowing for improved fuel economy and reduced emissions.
4. Easy to Install: Honda GX390 pressure washers come pre-assembled, making them easy to install and ready to use right away.
5. High Pressure Output: These pumps feature an impressive maximum pressure of up to 3,200 PSI, making them suitable for all types of cleaning jobs.
Buying Guide for honda gx390 pressure washer pump
Overview of Honda GX390 Pressure Washer Pump
The Honda GX390 pressure washer pump is a powerful and reliable pump that is perfect for any cleaning job. It is designed to be used with pressure washers that are rated up to 4,000 PSI and can handle up to 3.5 gallons per minute (GPM). The pump has a 3/4″ stainless steel shaft and comes with a 5-year limited warranty. It is powered by the reliable Honda GX390 engine and features an adjustable pressure regulator, which allows you to adjust the output pressure from 0-3,500 PSI.
Benefits of the Honda GX390 Pressure Washer Pump
The Honda GX390 pressure washer pump offers many benefits for those who use it. It is powerful enough to handle tough cleaning jobs, while still being easy to operate and maintain. The adjustable pressure regulator allows you to adjust the output pressure according to your needs, while the stainless steel shaft ensures durability and longevity. Additionally, it comes with a 5-year limited warranty for peace of mind.
Installation Process
Installing the Honda GX390 pressure washer pump is relatively easy and can be completed in just a few steps. First, make sure that all connections are securely tightened before running the engine or starting the pump. Next, connect all hoses according to their respective specifications. Finally, fill the reservoir with water or antifreeze solution before starting the engine and turning on the pump.
Maintenance Tips for Optimal Performance
To ensure optimal performance of your Honda GX390 pressure washer pump, there are several maintenance tips you should follow:
Check all hoses regularly for wear or damage and replace as needed
Make sure that all connections are secure before turning on the pump or running the engine
Clean all filters regularly to prevent clogging
Check oil level regularly and top off as needed
Change oil every 100 hours of use (or according to manufacturers instructions)
Replace seals every 500 hours of use (or according to manufacturers instructions)
The Honda GX390 Pressure Washer Pump is a powerful and reliable tool for tackling tough cleaning projects. It features a durable construction, an efficient design, and a reliable performance. With its easy-to-use controls and adjustable pressure settings, it is an ideal choice for anyone looking for a high-quality pressure washer pump. The Honda GX390 Pressure Washer Pump provides a safe and effective way to quickly clean large surfaces with minimal effort.