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Gray 3/8" x 50' Pressure Washer Hose 4000 PSI with Quick Connects – OEM Replacement Part

Original price $90.00 - Original price $90.00
Original price
$90.00
$90.00 - $90.00
Current price $90.00

Part Number: 5544
Category: Pressure Washer Hoses → High-Pressure Pressure Washer Hoses
Type: Gray Pressure Washer Hose with Quick Connects


The Gray 3/8" x 50' Pressure Washer Hose (Part #5544) is a professional-grade high-pressure hose designed for commercial and industrial pressure washing applications. Featuring a durable 3/8-inch inside diameter and a 50-foot length, this hose provides excellent reach and flow capacity for demanding cleaning tasks while maintaining flexibility and reliability in the field.


Key Features & Benefits

  • Genuine OEM replacement pressure washer hose
  • 3/8" inside diameter for high-flow applications
  • 50-foot length provides extended cleaning reach
  • Rated for pressures up to 4,000 PSI
  • Factory-installed 3/8" brass quick-connect coupler
  • Factory-installed 3/8" plated steel quick-connect plug
  • Suitable for hot and cold water pressure washers
  • Constant temperature rating of 275°F
  • Intermittent strike temperature rating of 310°F
  • Durable construction for commercial and industrial use

Technical Specifications

Part Number: 5544

Product Type: Pressure Washer Hose

Color: Gray

Hose Diameter: 3/8"

Hose Length: 50 Feet

Maximum Pressure: 4,000 PSI

Coupler: 3/8" Brass Quick Connect

Plug: 3/8" Plated Steel Quick Connect

Application: High-Pressure Cleaning

OEM Replacement: Yes


Typical Applications

  • Commercial pressure washing
  • Fleet washing
  • Heavy equipment cleaning
  • Construction equipment maintenance
  • Agricultural equipment washing
  • Industrial facility cleaning
  • Concrete and pavement cleaning
  • Building exterior cleaning
  • Property maintenance
  • Hot-water pressure washing systems

Performance Advantages

  • High-flow 3/8" diameter supports professional cleaning equipment
  • Extended 50-foot length improves work area coverage
  • Quick-connect fittings allow fast installation and removal
  • Suitable for both hot and cold water applications
  • Durable construction withstands demanding environments
  • Flexible design improves handling and maneuverability
  • Helps reduce setup and teardown time
  • Designed for professional pressure washer systems
  • Reliable performance under high-pressure conditions

Installation Instructions

  1. Turn off the pressure washer and relieve system pressure.
  2. Connect the 3/8" quick-connect plug to the compatible coupler on the pressure washer system.
  3. Attach the spray gun, hose reel, or accessory to the installed brass coupler.
  4. Ensure all quick-connect fittings are securely locked.
  5. Inspect connections for leaks before operation.
  6. Operate within the hose's rated pressure and temperature limits.

Maintenance Recommendations

  • Flush clean water through the hose after use.
  • Inspect fittings regularly for wear or damage.
  • Avoid dragging the hose across sharp surfaces.
  • Store loosely coiled to prevent kinking.
  • Protect from prolonged exposure to direct sunlight when not in use.
  • Replace the hose if cuts, abrasions, bulges, or fitting damage are observed.

Safety Information

California Proposition 65 Warning:
This product can expose you to chemicals including DINP and/or DEHP, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit: www.P65Warnings.ca.gov.

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