Feel free to call or chat with us for recommendations.
📦
Shipping times may vary contact us for more information
🚚
Free Shipping on orders $500 and up., some items have a optional lift gate for a additional fee
Flat rate of $12.50 for orders below $500.
Click here for more info.
Flat rate of $12.50 for orders below $500.
Click here for more info.
🔁
30-day returns. Click here for more info.
The SIMPSON® 90057 AAA® Triplex Pump Kit is an industrial direct-drive replacement pump rated at 3500 PSI and 4.0 GPM. It is designed to replace a worn or damaged pump on a compatible gas pressure washer, so you can restore performance without replacing the entire machine. It suits owners and operators who want to get a dependable gas pressure washer back to work quickly.
Pump Performance
- AAA® triplex pump rated at 3500 PSI
- 4.0 GPM flow rate
- Industrial-grade triplex design built with durable components
Fit & Installation
- Direct drive configuration for gas-powered pressure washers
- 1" shaft diameter
- Bolt-on unloader and bypass included
- Easy-to-install design for straightforward pump replacement
Practical Repair Solution
- Replaces worn or damaged pumps on compatible gas pressure washers
- Restores cleaning performance without the cost of a new machine
Not sure if the 90057 fits your pressure washer? Call Pittsburgh Spray Equipment at 888-714-1410 and we'll help you confirm compatibility before you order.
Specifications
| Brand | Simpson |
| Model Number | 90057 |
| Pump Brand | AAA |
| Pump Type | AAA Triplex Pump |
| Max Pressure | 3500 PSI |
| Flow Rate | 4.0 GPM |
| Drive Type | Direct |
| Power Type | Gasoline |
| Shaft Diameter | 1" |
| Hose Diameter | 1" |
| Unloader | Bolt-on unloader & bypass |
| UPC | 879399006180 |
Manufacturer documents