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The sae standard bolt pattern that fits most* gas-powered pressure washers. Its sae bolt pattern, hardware, and standard connections make it a great fit for many brands and models of power washers. Extend the life of your pressure washer: save money by replacing your pump instead of buying a whole new power washer.
With visibility to the oil level and the oil itself, you can easily see when oil levels are low or if water has clouded the oil. Easy installation: this replacement pump features a garden hose inlet and threaded m22 connection high pressure hose outlet. Check your pressure washer's inlet and outlet orientation to ensure compatibility. This easy-to-install kit is great for power washers that can support 3700 PSI at 2. 5 gpm to wash walls, sidewalks, fences, vehicles, and more.

The sae standard bolt pattern that fits most* gas-powered pressure washers. Check your pressure washer's inlet and outlet orientation to ensure compatibility. With visibility to the oil level and the oil itself, you can easily see when oil levels are low or if water has clouded the oil.
Easy installation: this replacement pump features a garden hose inlet and qc quick connect high pressure hose outlet. There is also a hand turn knob that lets you reduce power at your convenience for tasks that require lower pressure. Each kit includes a siphon tube with filter, mounting bolts, shaft key, and instruction booklet to get your machine back in action as quickly as possible. Adjustable power: this pump includes powerboost technology that delivers higher pressure at the nozzle for a more efficient cleaning experience.

This easy-to-install kit is great for power washers that can support 4000 PSI at 3. 5 gpm to wash walls, fences, sidewalks, vehicles, and more. There is also a hand turn knob that lets you reduce power at your convenience for tasks that require lower pressure.
With visibility to the oil level and the oil itself, you can easily see when oil levels are low or if water has clouded the oil. Know when to change your oil: the sight glass and advanced oil seal technology eliminates the need for a dipstick. Get the right pump for your machine: this pump is designed for gas powered pressure washers with horizontal engines. Extend the life of your pressure washer: save money by replacing your pump instead of buying a whole new power washer.

Extend the life of your pressure washer: save money by replacing your pump instead of buying a whole new power washer. Check your pressure washer's inlet and outlet orientation to ensure compatibility. Each kit includes a siphon tube with filter, mounting bolts, shaft key, and instruction booklet to get your machine back in action as quickly as possible.
There is also a hand turn knob that lets you reduce power at your convenience for tasks that require lower pressure. Get the right pump for your machine: this pump is designed for gas powered pressure washers with horizontal engines. With visibility to the oil level and the oil itself, you can easily see when oil levels are low or if water has clouded the oil. Adjustable power: this pump includes powerboost technology that delivers higher pressure at the nozzle for a more efficient cleaning experience.

Adjustable power: this pump includes powerboost technology that delivers higher pressure at the nozzle for a more efficient cleaning experience. This easy-to-install kit is great for power washers that can support 3200 PSI at 2. 8 gpm to wash walls, vehicles, sidewalks, fences, and more.
Easy installation: this replacement pump features a garden hose inlet and threaded m22 connection high pressure hose outlet. Its sae bolt pattern, hardware, and standard connections make it a great fit for many brands and models of power washers. Extend the life of your pressure washer: save money by replacing your pump instead of buying a whole new power washer. Get the right pump for your machine: this pump is designed for gas powered pressure washers with horizontal engines.


Gas engine flange and hollow shaft that fits most horizontal 24mm / 1 Inch shaft engines. 90038 aaa 3800-4000 psi oem replacement Pump. Fully adjustable unloader system with ergonomic control.

Sturdy and portable: the 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. Power and durability: a powerful, reliable, maintenance-free AAA industrial triplex plunger pump delivers 3600 PSI at 2.
Includes quality simpson accessories: morflex 5/16-inch x 35-foot high-pressure hose is kink- and abrasion-resistant; 5 Quick connect nozzle tips: 0°, 25°, 15°, 40° and Soap; 16-inch steel wand/lance; Professional spray gun with safety lock-out.

Power and durability: a powerful, reliable, maintenance-free AAA industrial triplex plunger pump delivers 4400 PSI at 4. 0 gpm and includes thermal relief to prevent overheating; PowerBoost Technology delivering higher pressure at the nozzle.
Sturdy and portable: the welded steel frame construction with powder coated finish offers durability and corrosion resistance; 13-inch premium pneumatic tires deliver ease of maneuverability across various terrain and uneven ground. Important notes: keep max fuel level 1/2 inch below bottom of filler neck to avoid spillage; All pressure washers are 100% functionally tested in factory and may contain minimum residual fuel/oil or fuel odor.

Skip the oil change: this pump features a maintenance-free crankcase so you never have to change the oil. Extend the life of your pressure washer: save money by replacing your pump instead of buying a whole new power washer. Get the right pump for your machine: this pump is designed for gas-powered pressure washers with horizontal engines.
Easy installation: this replacement pump features a garden hose inlet and threaded m22 connection high pressure hose outlet. This easy-to-install kit is great for power washers that can support 3400 PSI at 2. 5 gpm to wash walls, sidewalks, fences, vehicles, and more. Its sae bolt pattern, hardware, and standard connections make it a great fit for many brands and models of power washers. It is manufactured from fully anodized die-cast aluminum for protection against corrosion.
1. SIMPSON
#ad
AAA 90037 Horizontal Triplex Plunger Replacement Pressure Washer Pump Kit, Includes Hardware and Siphon Tube, Black, for Industrial Gas Powered Machines, 3/4" Shaft, 3700 PSI, 2.5 GPM
#adSIMPSON #ad - Adjustable power: this pump includes powerboost technology that delivers higher pressure at the nozzle for a more efficient cleaning experience. Know when to change your oil: the sight glass and advanced oil seal technology eliminates the need for a dipstick. Get the right pump for your machine: this pump is designed for gas powered pressure washers with horizontal engines.The sae standard bolt pattern that fits most* gas-powered pressure washers. Its sae bolt pattern, hardware, and standard connections make it a great fit for many brands and models of power washers. Extend the life of your pressure washer: save money by replacing your pump instead of buying a whole new power washer.
More information #ad
Each kit includes a siphon tube with filter, mounting bolts, shaft key, and instruction booklet to get your machine back in action as quickly as possible. There is also a hand turn knob that lets you reduce power at your convenience for tasks that require lower pressure. With visibility to the oil level and the oil itself, you can easily see when oil levels are low or if water has clouded the oil. Easy installation: this replacement pump features a garden hose inlet and threaded m22 connection high pressure hose outlet. Check your pressure washer's inlet and outlet orientation to ensure compatibility. This easy-to-install kit is great for power washers that can support 3700 PSI at 2. 5 gpm to wash walls, sidewalks, fences, vehicles, and more.
Brand | SIMPSON #ad |
Manufacturer | simpson #ad |
Height | 4 Inches |
Length | 12 Inches |
Weight | 9 Pounds |
Width | 9 Inches |
Part Number | 90037 |
Model | 90037 |
Warranty | 5-year warranty |
More information #ad
2. SIMPSON
#ad
For Industrial Gas Powered Machines, Includes Hardware and Siphon Tube, 4.0 GPM, Black, AAA 90034 Horizontal Triplex Plunger Replacement Pressure Washer Pump Kit, 4400 PSI, 1" Shaft
#adSIMPSON #ad - Get the right pump for your machine: this pump is designed for gas powered pressure washers with horizontal engines. Know when to change your oil: the sight glass and advanced oil seal technology eliminates the need for a dipstick. Extend the life of your pressure washer: save money by replacing your pump instead of buying a whole new power washer.The sae standard bolt pattern that fits most* gas-powered pressure washers. Check your pressure washer's inlet and outlet orientation to ensure compatibility. With visibility to the oil level and the oil itself, you can easily see when oil levels are low or if water has clouded the oil.
More information #ad
This easy-to-install kit is great for power washers that can support 4400 PSI at 4. 0 gpm to wash walls, vehicles, sidewalks, fences, and more. Its sae bolt pattern, hardware, and standard connections make it a great fit for many brands and models of power washers. Easy installation: this replacement pump features a garden hose inlet and qc quick connect high pressure hose outlet. There is also a hand turn knob that lets you reduce power at your convenience for tasks that require lower pressure. Each kit includes a siphon tube with filter, mounting bolts, shaft key, and instruction booklet to get your machine back in action as quickly as possible. Adjustable power: this pump includes powerboost technology that delivers higher pressure at the nozzle for a more efficient cleaning experience.
Brand | SIMPSON #ad |
Manufacturer | simpson #ad |
Height | 11 Inches |
Length | 11.5 Inches |
Weight | 16 Pounds |
Width | 11.5 Inches |
Part Number | 90034 |
Model | 90034 |
Warranty | 5 year warranty |
More information #ad
3. AAA Pumps
#ad
4000 PSI, 1" Shaft, for Industrial Gas Powered Machines, Black, Includes Hardware and Siphon Tube, AAA 90039 Horizontal Triplex Plunger Replacement Pressure Washer Pump Kit, 3.5 GPM
#adAAA Pumps #ad - The sae standard bolt pattern that fits most* gas-powered pressure washers. Adjustable power: this pump includes powerboost technology that delivers higher pressure at the nozzle for a more efficient cleaning experience. Each kit includes a siphon tube with filter, mounting bolts, shaft key, and instruction booklet to get your machine back in action as quickly as possible.This easy-to-install kit is great for power washers that can support 4000 PSI at 3. 5 gpm to wash walls, fences, sidewalks, vehicles, and more. There is also a hand turn knob that lets you reduce power at your convenience for tasks that require lower pressure.
More information #ad
Easy installation: this replacement pump features a garden hose inlet and qc quick connect high pressure hose outlet. Check your pressure washer's inlet and outlet orientation to ensure compatibility. Its sae bolt pattern, hardware, and standard connections make it a great fit for many brands and models of power washers. With visibility to the oil level and the oil itself, you can easily see when oil levels are low or if water has clouded the oil. Know when to change your oil: the sight glass and advanced oil seal technology eliminates the need for a dipstick. Get the right pump for your machine: this pump is designed for gas powered pressure washers with horizontal engines. Extend the life of your pressure washer: save money by replacing your pump instead of buying a whole new power washer.
Brand | AAA Pumps #ad |
Manufacturer | SIMPSON #ad |
Height | 7.5 Inches |
Length | 11 Inches |
Weight | 14 Pounds |
Width | 11 Inches |
Part Number | 90039 |
Model | 90039 |
Warranty | 1 Year Warranty |
More information #ad
4. SIMPSON
#ad
AAA Pumps 90038 Horizontal Triplex Plunger Replacement Pressure Washer Pump Kit, 3.5 GPM, 3800 PSI, for Industrial Gas Powered Machines, Includes Hardware and Siphon Tube, Black, 1" Shaft
#adSIMPSON #ad - The sae standard bolt pattern that fits most* gas-powered pressure washers. This easy-to-install kit is great for power washers that can support 3800 PSI at 3. 5 gpm to wash walls, fences, sidewalks, vehicles, and more. Easy installation: this replacement pump features a garden hose inlet and qc quick connect high pressure hose outlet.Extend the life of your pressure washer: save money by replacing your pump instead of buying a whole new power washer. Check your pressure washer's inlet and outlet orientation to ensure compatibility. Each kit includes a siphon tube with filter, mounting bolts, shaft key, and instruction booklet to get your machine back in action as quickly as possible.
More information #ad
Know when to change your oil: the sight glass and advanced oil seal technology eliminates the need for a dipstick. Its sae bolt pattern, hardware, and standard connections make it a great fit for many brands and models of power washers. There is also a hand turn knob that lets you reduce power at your convenience for tasks that require lower pressure. Get the right pump for your machine: this pump is designed for gas powered pressure washers with horizontal engines. With visibility to the oil level and the oil itself, you can easily see when oil levels are low or if water has clouded the oil. Adjustable power: this pump includes powerboost technology that delivers higher pressure at the nozzle for a more efficient cleaning experience.
Brand | SIMPSON #ad |
Manufacturer | simpson #ad |
Height | 7.5 Inches |
Length | 12 Inches |
Weight | 14 Pounds |
Width | 10 Inches |
Part Number | 90032 |
Model | 90038 |
Warranty | 5 year warranty |
More information #ad
5. SIMPSON
#ad
3/4" Shaft, 2.8 GPM, Includes Hardware and Siphon Tube, AAA 90036 Horizontal Triplex Plunger Replacement Pressure Washer Pump Kit, 3200 PSI, Black, for Industrial Gas Powered Machines
#adSIMPSON #ad - Check your pressure washer's inlet and outlet orientation to ensure compatibility. The sae standard bolt pattern that fits most* gas-powered pressure washers. Each kit includes a siphon tube with filter, shaft key, mounting bolts, and instruction booklet to get your machine back in action as quickly as possible.Adjustable power: this pump includes powerboost technology that delivers higher pressure at the nozzle for a more efficient cleaning experience. This easy-to-install kit is great for power washers that can support 3200 PSI at 2. 8 gpm to wash walls, vehicles, sidewalks, fences, and more.
More information #ad
With visibility to the oil level and the oil itself, you can easily see when oil levels are low or if water has clouded the oil. Know when to change your oil: the sight glass and advanced oil seal technology eliminates the need for a dipstick. There is also a hand turn knob that lets you reduce power at your convenience for tasks that require lower pressure. Easy installation: this replacement pump features a garden hose inlet and threaded m22 connection high pressure hose outlet. Its sae bolt pattern, hardware, and standard connections make it a great fit for many brands and models of power washers. Extend the life of your pressure washer: save money by replacing your pump instead of buying a whole new power washer. Get the right pump for your machine: this pump is designed for gas powered pressure washers with horizontal engines.
Brand | SIMPSON #ad |
Manufacturer | simpson #ad |
Height | 4 Inches |
Length | 12 Inches |
Weight | 9 Pounds |
Width | 9 Inches |
Part Number | 90030 |
Model | 90036 |
Warranty | 5 year warranty |
More information #ad
6. AAA Triplex Plunger Pump by Allparts Equipment Inc
#ad
530016 3700 PSI AAA Triplex Plunger Pump OEM Replacement Pump
#adAAA Triplex Plunger Pump by Allparts Equipment Inc #ad - Dual oversized radial ball bearings are installed for better wear, friction resistance and precision ceramic coated pistons for extended seal life.More information #ad
Gas engine flange and hollow shaft that fits most horizontal 3/4 Inch shaft engines. 530016 aaa psi oem replacement Pump. Fully adjustable unloader system with ergonomic control.Brand | AAA Triplex Plunger Pump by Allparts Equipment Inc #ad |
Manufacturer | Simpson, Delco, AAA and OEM Technologies by FNA Group #ad |
Weight | 14 Pounds |
Warranty | 1 Year Manufactures Warranty against Defects 5 Year Limited |
More information #ad
7. AAA Triplex Plunger Pump by Allparts Equipment Inc
#ad
90038 AAA Triplex Plunger Pump OEM Replacement Pump 3800-4000 PSI 53BRD35
#adAAA Triplex Plunger Pump by Allparts Equipment Inc #ad - Dual oversized radial ball bearings are installed for better wear, friction resistance and precision ceramic coated pistons for extended seal life.Gas engine flange and hollow shaft that fits most horizontal 24mm / 1 Inch shaft engines. 90038 aaa 3800-4000 psi oem replacement Pump. Fully adjustable unloader system with ergonomic control.
More information #ad
Head: Brass. Psi: 3800-4000 gpm: 3. 5 kit includes: siphon tube with filter, mounting bolts and shaft key inlet port: 3/4" gh discharge port: 3/8" Quick connect female Inlet Pressure Range: 10-60 Psi Thermal Relief Port: 1/2" NPT Shaft Diameter: 24mm Key Way: M8 Pump Oil Capacity: 11 fl oz.Brand | AAA Triplex Plunger Pump by Allparts Equipment Inc #ad |
Manufacturer | Simpson, Delco, AAA and OEM Technologies by FNA Group #ad |
Weight | 22 Pounds |
Model | 53BRD35 |
Warranty | 1 Year Manufactures Warranty against Defects |
More information #ad
8. SIMPSON
#ad
SIMPSON Cleaning GX200 OHV, HONDA G, AAA Triplex Pump SIMPSON ALH3425 Aluminum 3600 PSI 2.5 GPM Gas Pressure Washer, Black & Red
#adSIMPSON #ad - Professional performance: easy-to-assemble and easy-to-start with its HONDA GX200 commercial series engine, wood restoration, the Aluminum Series power washer is great for contractors who specialize in deck cleaning, and all other professional services.Sturdy and portable: the 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. Power and durability: a powerful, reliable, maintenance-free AAA industrial triplex plunger pump delivers 3600 PSI at 2.
More information #ad
5 gpm and includes thermal relief to prevent overheating; PowerBoost Technology delivering higher pressure at the nozzle. Important notes: keep max fuel level 1/2 inch below bottom of filler neck to avoid spillage; All pressure washers are 100% functionally tested in factory and may contain minimum residual fuel/oil or fuel odor; Pump/Hose Connection: Threaded M22 connection. Includes quality simpson accessories: morflex 5/16-inch x 35-foot high-pressure hose is kink- and abrasion-resistant; 5 Quick connect nozzle tips: 0°, 25°, 15°, 40° and Soap; 16-inch steel wand/lance; Professional spray gun with safety lock-out.
Brand | SIMPSON #ad |
Manufacturer | Simpson Cleaning #ad |
Height | 21 Inches |
Length | 30 Inches |
Weight | 80 Pounds |
Width | 24 Inches |
Part Number | 60689 |
Model | ALH3425 |
Warranty | 3 year engine, 5 year pump, 10 year frame |
More information #ad
9. SIMPSON
#ad
CRX 420cc Engine, 3/8-inch x 50-foot Monster Hose, 4.0 GPM, Includes Spray Gun and Extension Wand, 5 QC Nozzle Tips, SIMPSON Cleaning PS60843 PowerShot 4400 PSI Gas Pressure Washer
#adSIMPSON #ad - Includes quality simpson accessories: monster 3/8-inch x 50-foot high-pressure hose is kink and abrasion resistant hose with quick connect fittings and polyurethane outer jacket; 5 Quick connect nozzle tips: 0°, 25°, 15°, 40° and Soap; Ergonomic spray gun 16-inch steel wand/lance.Power and durability: a powerful, reliable, maintenance-free AAA industrial triplex plunger pump delivers 4400 PSI at 4. 0 gpm and includes thermal relief to prevent overheating; PowerBoost Technology delivering higher pressure at the nozzle.
More information #ad
Professional performance: easy-to-assemble and easy-to-start with its CRX 420cc premium engine, wood restoration, paint preparation, the PowerShot power washer is great for contractors who specialize in deck cleaning, and all other professional services. Sturdy and portable: the welded steel frame construction with powder coated finish offers durability and corrosion resistance; 13-inch premium pneumatic tires deliver ease of maneuverability across various terrain and uneven ground. Important notes: keep max fuel level 1/2 inch below bottom of filler neck to avoid spillage; All pressure washers are 100% functionally tested in factory and may contain minimum residual fuel/oil or fuel odor.
Brand | SIMPSON #ad |
Manufacturer | SIMPSON CLEANING #ad |
Height | 50 Inches |
Length | 8 Inches |
Weight | 135 Pounds |
Width | 3 Inches |
Part Number | 60843 |
Model | PS60843 |
More information #ad
10. SIMPSON
#ad
Includes Hardware and Siphon Tube, OEM Technologies 90029 Replacement Pressure Washer Pump Kit, for Residential and Industrial Gas Powered Machines, 2.5 GPM, 3/4" Shaft, 3400 PSI
#adSIMPSON #ad - Each kit includes a siphon tube with filter, shaft key, mounting bolts, and instruction booklet to get your machine back in action as quickly as possible. The trv releases small amounts of hot water and intakes cooler water to prevent overheating and extend the life of the pump.Skip the oil change: this pump features a maintenance-free crankcase so you never have to change the oil. Extend the life of your pressure washer: save money by replacing your pump instead of buying a whole new power washer. Get the right pump for your machine: this pump is designed for gas-powered pressure washers with horizontal engines.
More information #ad
Extended durability: a thermal relief valve trv protects the pump from overheating while in bypass mode. The sae standard bolt pattern that fits most* gas-powered pressure washers. Easy installation: this replacement pump features a garden hose inlet and threaded m22 connection high pressure hose outlet. This easy-to-install kit is great for power washers that can support 3400 PSI at 2. 5 gpm to wash walls, sidewalks, fences, vehicles, and more. Its sae bolt pattern, hardware, and standard connections make it a great fit for many brands and models of power washers. It is manufactured from fully anodized die-cast aluminum for protection against corrosion.
Brand | SIMPSON #ad |
Manufacturer | simpson #ad |
Height | 8 Inches |
Length | 8.5 Inches |
Weight | 7 Pounds |
Width | 8.5 Inches |
Part Number | 90029 |
Model | 90029 |
Warranty | 2 year warranty |
More information #ad