TOOLCY Triplex Pressure Washer Pump 3600-4400 PSI | 4.4 GPM | 1-Inch Shaft, Direct Drive, 5 Nozzle Tips

Overview

Meet the TOOLCY Triplex Pressure Washer Pump, a sturdy replacement designed for gas-powered units with a horizontal 1" shaft. Engineered for reliability, this pump blends rugged metalwork with practical details that help you tackle a wide range of cleaning tasks—from driveways to decks—with confidence. The direct-drive configuration with an integrated unloader supports smoother starts and controlled performance, while the adjustable pressure knob lets you dial in just-right power for each job.

Why this pump stands out

• Premium build for longer life: Fully anodized crankcase, solid brass pump head, and a 3/8" stainless steel quick-connect outlet all contribute to durability under frequent use.
• Triplex plunger design: A robust pumping arrangement for steadier operation, cleaner spray, and enhanced resistance to wear over time.
• Adjustable pressure up to 4400 PSI: A RED control knob makes it easy to reduce or increase power for different surfaces, with typical residential and light commercial tasks benefiting from a balanced setting around 3400 PSI.
• Monitoring ease: An advanced sight glass and oil seal setup helps you keep an eye on lubrication without a dipstick.
• Versatile compatibility: Designed to fit popular engines and brands, including Honda GX340/GX390, DeWalt, Simpson, and AR series, plus many other compatible models.
• Complete connection package: Standard 3/4" garden hose inlet, 3/8" high-pressure outlet, and a ready-to-use M22-14mm adapter with five nozzle tips for varied cleaning patterns.

What you’ll experience in use

Imagine the moment you switch on the unit and feel a steady, controlled spray that cuts through grime without overworking the engine. The red dial gives you quick control to switch from delicate surfaces like painted fences to tougher tasks like concrete driveways. The brass pump head and robust housing resist heat and vibration, while the included nozzle tips offer flexibility for different spray patterns and distances. The compact design fits a range of residential setups, and the direct-drive arrangement keeps the system simple and responsive—ideal for homeowners, contractors, or DIY enthusiasts who value reliable performance with straightforward maintenance.

What you get

• TOOLCY triplex pump assembly with 1" shaft
• Adjustable pressure knob (up to 4400 PSI)
• Brass pump head and anodized crankcase for durability
• 3/8" stainless steel quick-connect outlet and 3/4" garden hose inlet
• Five nozzle tips plus M22-14mm adapter

Before you install, verify engine orientation, PSI rating, GPM, shaft diameter, and inlet/outlet connections to ensure compatibility with your current pressure washer setup.