4200 PSI 4.2 GPM Horizontal Pressure Washer Pump with Pressure Regulator

This pressure washer pump delivers up to 4200 PSI and 4.2 GPM for household cleaning and light industrial cleaning tasks. A recommended working pressure of 3400 PSI supports typical residential use while helping extend pump life. The horizontal design uses a 1 in (25.4 mm) shaft and is designed for compatible 13-15 HP engines. An integrated pressure regulator allows pressure adjustment during operation, while the oil sight glass makes routine oil checks easier.

Key Features

• 4200 PSI Maximum Pressure — Provides high-pressure cleaning performance
• 4.2 GPM Maximum Flow — Supports efficient cleaning tasks
• Pressure Regulator — Allows pressure output adjustment during operation
• Anodized Surface — Helps improve corrosion resistance and durability
• Oil Sight Glass — Makes oil level and condition checks easier
• Cold Water Use — Designed for cold-water pressure washing applications

Specifications

• Material: Copper and aluminum
• Engine Orientation: Horizontal
• Maximum / Recommended Pressure: 4200 / 3400 PSI
• Maximum Flow Rate: 4.2 GPM
• Shaft Diameter: 1 in (25.4 mm)
• Inlet Connector: 3/4 in NH garden hose
• Outlet Connector: 3/8 in quick connect
• Compatible Engine Power: 13-15 HP
• Weight: 21.4 lb (9.7 kg)
• Care Instructions: Change oil every 60 hours of operation

Why Choose This Pressure Washer Pump

The combination of high-pressure output, adjustable pressure control, and an oil sight glass provides practical functionality for regular pressure washing maintenance. Its anodized surface is designed for improved corrosion resistance and durability.

Perfect For

Suitable for compatible horizontal-engine pressure washers used for household and light industrial cleaning with cold water
.

Ready for Cleaning

Upgrade a compatible pressure washer with a pump designed for strong water flow, adjustable pressure, and straightforward maintenance.