TOOLCY Pressure Washer Pump 4400 PSI | 4.2 GPM | 1" Shaft | Direct Drive Triplex with Adjustable Unloader & 5 Nozzle Tips

Upgrade your gas pressure washer with TOOLCY

Refresh the performance of a tired unit with the TOOLCY pressure washer pump. Delivering up to 4400 PSI and 4.2 GPM, this replacement pump is built for horizontal engines and direct-drive operation. For longevity, aim for around 3400 PSI at 3400 RPM to keep engagement smooth and components cooler during routine cleaning tasks around the home and light commercial sites.

Whether you are renewing a driveway grime, reviving a dusty deck, or restoring the shine on a vehicle, this pump offers a capable blend of power, precision, and reliability without requiring a full machine overhaul. It is designed to fit common gas-powered washers and to integrate into existing setups with minimal fuss.

Why choose this TOOLCY pump

• Triplex plunger design for durable performance and steady water flow
• Fully anodized crankcase paired with a brass pump head for strength and corrosion resistance
• Sight glass and advanced oil seal technology for straightforward oil checks
• Adjustable unloader to tailor pressure to the engine and task
• Cold water use and direct-drive layout suitable for residential and light commercial work

Key features at a glance

• Max 4400 PSI and 4.2 GPM for versatile cleaning power
• 1 inch shaft with a horizontal engine compatibility for common power washers
• 3/4 inch garden hose inlet and 3/8 inch quick-connect outlet for easy setup
• Includes a complete five nozzle tips set with spray patterns for different surfaces
• Oil pre-filled with an easy to read sight glass; oil change recommended every 60 hours
• Standard SAE mounting hole pattern with precise dimensions for straightforward replacement

How you’ll use it

Install this pump as a direct-drive replacement on compatible gas units to refresh your cleaning routine. It supports tasks on driveways, decks, fences, sidewalks, and vehicles, offering improved control and efficiency while keeping engine load reasonable.

Fit, maintenance, and care

• Designed for cold-water applications; not suitable for hot water use
• Check oil via the sight glass and replace every 60 hours of running time
• Ensure your engine delivers 9 to 15 HP; verify mounting and shaft alignment during installation
• Test performance after installation to confirm smooth operation and safe pressure levels