---
product_id: 534177339
title: "TOOLCY Pressure Washer Pump 3600-4400 PSI Max, 4 GPM Triplex Plunger Pressure Pump, Horizontal 1 inch Shaft Gas Power Washer Pump with Pressure Adjustment Unloader, Direct Drive"
brand: "toolcy"
price: "$533.11"
currency: USD
in_stock: true
reviews_count: 8
url: https://www.desertcart.us/products/534177339-toolcy-pressure-washer-pump-3600-4400-psi-max-4-gpm
store_origin: US
region: United States of America
---

# 4 GPM flow rate Triplex plunger design Max 4400 PSI pressure TOOLCY Pressure Washer Pump 3600-4400 PSI Max, 4 GPM Triplex Plunger Pressure Pump, Horizontal 1 inch Shaft Gas Power Washer Pump with Pressure Adjustment Unloader, Direct Drive

**Brand:** toolcy
**Price:** $533.11
**Availability:** ✅ In Stock

## Summary

> 🚀 Power up your clean game with precision and durability!

## Quick Answers

- **What is this?** TOOLCY Pressure Washer Pump 3600-4400 PSI Max, 4 GPM Triplex Plunger Pressure Pump, Horizontal 1 inch Shaft Gas Power Washer Pump with Pressure Adjustment Unloader, Direct Drive by toolcy
- **How much does it cost?** $533.11 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/534177339-toolcy-pressure-washer-pump-3600-4400-psi-max-4-gpm)

## Best For

- toolcy enthusiasts

## Why This Product

- Trusted toolcy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Optimized Flow Rate:** 4 gallons per minute ensures efficient washing without wasting time or water.
- • **Durability Meets Design:** Anodized aluminum crankcase and solid brass pump head for long-lasting, corrosion-resistant performance.
- • **Plug & Play Compatibility:** Standard SAE flange and 1-inch shaft fit most 9-15HP engines including Honda GX and Briggs & Stratton models.
- • **Unmatched Power & Precision:** Delivers up to 4400 PSI with a smooth triplex plunger pump for professional-grade cleaning.
- • **Customizable Pressure Control:** Adjustable unloader valve lets you fine-tune pressure output for maximum engine efficiency and quieter idle.

## Overview

The TOOLCY Pressure Washer Pump is a high-performance, triplex plunger pump delivering up to 4400 PSI and 4 GPM flow rate. Built with an anodized aluminum crankcase and brass pump head, it offers enhanced durability and smooth operation. Featuring an adjustable unloader valve for pressure customization and easy installation compatibility with popular 9-15HP engines, this pump is ideal for residential and light commercial pressure washing tasks.

## Description

Full description not available

## Features

- [Renew Your Gas Pressure Washer] - Quality triplex pressure washer pump with big save. Designed for horizontal engine and relife your power washer with Max 4400 PSI and 4 GPM, recommend working pressure 3400PSI @ 3400RPM for longer life. Service your residential and light commercial pressure washing for driveway, decks, fences, sidewalks, vehicles, and more
- [OEM Quality Power Washer Pump] - Fully anodized black crankcase with solid brass pump head can greatly improve the strength and improve the service life. The triplex design can make the pump run more smoothly, powerful and durable. Sight glass and advanced oil seal technology eliminates the need for a dipstick
- [Adjustable Unloader] - This pump come with unloader could adjust your pressure output with best perfomance with your engine and best cleaning efficient for your workshop. Also could reduce pressure when you need engine switch to idle model for low noise and relax for a while
- [Easy Set Up] - Pump flange comply with industry SAE standard mounting dimension, 1" shaft hole. Diagonal distance between holes is 6 1/2''. Distance between short side holes is 3 1/4''. Distance between long side holes is 4 1/2''. Come with 3/4" garden hose inlet and 3/8" quick connect output for easy set up and renew your power washer. Fit most engine with 9-15HP or 270-420cc, test performance and replacement pump for Honda engine such as GX340 GX390 GX270, Briggs&Strattton, Simpson
- [Tips] - The sight glass helps you check the oil level easily, you can know oil levels are low or if water has clouded the oil. We recommend you to change oil every 60 hours running time. Note: This pressure washer pump only for COLD WATER use
- [COMPATIBILITY]: Compatible with Honda: GX340, GX390, GX270; Simpson:Simpson Armor 41114, 41096, 41115 or Simpson Monster 41113, 41028, 41030, 41032, 41034; AAA: 90039, 90038, 90034, DW3635; AR: RKV3G27, RKV3G34, RKV4G36, RSV4G40, RKV3G39, RRV4G40HD, RG 2125HN, RG 1528HN, SLPHP4040-402; CAT: 66DX40GG1, 66DX35G1I; OTHERS: 3-0308, 3-0350, EXHP3640, EZ4040G, EZ4040, TS2021, WS202, DXPW3035, DXPW3535, DXPW4035 and more.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Flow Rate | 4 Gallons Per Minute |
| Power Source | Engine Powered |
| Style Name | No Chemical Injection |
| Color | Black |
| Material Type | Anodized Aluminum Crankcase, Brass Pump Head |

## Product Details

- **Brand:** TOOLCY
- **Color:** Black
- **Material:** Anodized Aluminum Crankcase, Brass Pump Head
- **Style:** 4400PSI-Stainless Steel Outlet
- **Power Source:** Engine Powered
- **Item Weight:** 9.07 Kilograms
- **Maximum Flow Rate:** 4 Gallons Per Minute
- **Manufacturer:** TOOLCY

## Images

![TOOLCY Pressure Washer Pump 3600-4400 PSI Max, 4 GPM Triplex Plunger Pressure Pump, Horizontal 1 inch Shaft Gas Power Washer Pump with Pressure Adjustment Unloader, Direct Drive - Image 1](https://m.media-amazon.com/images/I/71ocrtfU0VL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Toolcy pump
*by A***R on July 13, 2025*

Well made.Easy to install.My pessure washer is working better than new.So powerful, it could use a pressure guage.

### ⭐⭐⭐⭐⭐ Great water pump.
*by A***R on May 16, 2025*

Good strong pump. Installed easily.

### ⭐⭐⭐⭐⭐ Works good, able to make work on my hot water washer
*by 8***R on April 12, 2025*

WorksReplaced my 1 year old broken easykleen pump on my hot water washerWas able to make it work with minimal effort with the sensors and adapters for the hot water part.

## Frequently Bought Together

- TOOLCY Pressure Washer Pump 3600-4000 PSI Max, Replacement Pump 4 GPM, Triplex Plunger Pressure Pump, Horizontal 1 inch Shaft Gas Power Washer Pump with Pressure Adjustment Unloader, Direct Drive
- Valley Industries Pressure Washer Premium Pump Oil - 1 Liter, Black, (PK-85490000)
- Raincovo Pressure Washer Gauge, 6000 PSI, 3/8 Inch Quick Connect, Pressure Gauge for Power Washer

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-19*