
AAA PowerBoost
Score: 88/100
Toolcy Pressure Washer Pump
Score: 82/100Rankings

The AAA 3700 PSI pump is a high-performance triplex replacement featuring brass heads and ceramic pistons for superior durability and cleaning power. Its adjustable unloader and thermal protection make it a robust choice for heavy-duty tasks. It is best suited for DIY homeowners or semi-pros with gas pressure washers needing a reliable, long-lasting upgrade.

The Toolcy Pressure Washer Pump is a horizontal, direct-drive replacement unit featuring a triplex plunger design with a maximum pressure of 3600-4400 PSI and a flow rate of 4.4 GPM. It is constructed with a fully anodized black crankcase and solid brass pump head, designed for residential and light commercial cleaning tasks on surfaces like driveways and decks. Best suited for DIY homeowners or light commercial users upgrading gas pressure washers with horizontal engines.
| Attribute | ![]() | ![]() |
|---|---|---|
3,700 PSI | 4,400 PSIbest | |
2.5 GPM | 4.4 GPMbest | |
0.75 inches | 1 inchesbest | |
12 inchesbest | — | |
3,600 RPMbest | — | |
0.75 inchesbest | 0.75 inchesbest | |
— | 0.375 inchesbest | |
0.063 quartsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(2) | ||
Maximum Pressure (PSI) | 3700 PSI | 4400 PSI |
Flow Rate (GPM) | 2.5 GPM | 4.4 GPM |
Compatibility & Mounting(2) | ||
Shaft Diameter (inches) | 0.75 inches | 1.0 inches |
Outlet Port Size (inches) | M22 inches | 0.375 inches |
Physical(1) | ||
Product Weight (lbs) | 9.0 lbs | 20.0 lbs |
Features & Control(1) | ||
Unloader Type | Adjustable Hand Knob | Adjustable |

Products in the top-left offer the best value (high score, low price).

Professional reviewers praise the pump for surpassing expectations in harsh conditions, highlighting the PowerBoost technology and easy-start unloader.
Users appreciate the easy oil checks, adjustable power, and quick setup, noting robust build quality and compatibility with popular engines like Honda GX200.




Professional reviewers and video overviews highlight the Toolcy pump's robust construction, specifically noting the anodized crankcase and brass head as key factors for longevity. The versatile pressure adjustment and compatibility with major engine brands like Honda and Simpson are praised.
Direct user feedback is sparse, but inferred comments from product pages suggest high satisfaction with the ease of renewal for old washers and the strong performance at standard operating pressures. Users appreciate the simple setup process.