1-1/2" Hose Barb x 3/4" MPT Pump Inlet Fitting – OEM Replacement Part

Part Number: 5049
Category: Pressure Washer Plumbing → Pump Inlet Fittings → Hose Barb Pump Inlet Adapters
Type: 1-1/2" Hose Barb x 3/4" Male Pipe Thread Pump Inlet Fitting

The 1-1/2" Hose Barb x 3/4" MPT Pump Inlet Fitting (Part #5049) is a durable OEM replacement adapter designed to connect large-diameter supply hoses to pressure washer pumps, transfer pumps, water tanks, and fluid handling equipment. Manufactured by AR Pumps, this fitting provides a secure transition between 1-1/2" inside diameter hose and 3/4" Male Pipe Thread (MPT) pump inlet connections.

Key Features & Benefits

• Genuine AR Pumps OEM replacement part
• Heavy-duty pump inlet adapter
• 1-1/2" hose barb inlet connection
• 3/4" Male Pipe Thread (MPT) outlet connection
• Designed for high-volume water supply applications
• Helps maximize water flow to pumps
• Secure hose barb connection design
• Compatible with standard hose clamps
• Ideal for gravity-feed and tank-fed systems
• Suitable for commercial and industrial applications

Technical Specifications

Part Number: 5049

Product Type: Pump Inlet Fitting / King Nipple

Manufacturer: AR Pumps

Inlet Connection: 1-1/2" Hose Barb

Outlet Connection: 3/4" MPT

Outlet Thread Type: Male Pipe Thread

Application: Pump Inlet & Water Supply Connections

OEM Replacement: Yes

Typical Applications

• Pressure washer pump inlet plumbing
• Buffer tank connections
• Water tank supply systems
• Gravity-feed pressure washer systems
• Water transfer equipment
• Soft wash systems
• Pump replacement projects
• Commercial cleaning equipment
• Industrial water handling systems
• Pressure washer trailer setups

Performance Advantages

• Provides a smooth transition from large-diameter hose to pump inlet connections
• Helps maintain adequate water supply to pumps
• Reduces inlet restrictions that can contribute to pump cavitation
• Supports consistent pump performance and reliability
• Secure hose barb design improves hose retention
• Suitable for high-volume water transfer applications
• Simplifies pump installation and plumbing modifications
• Compatible with many pressure washer and transfer pump systems
• Built for dependable long-term operation

Maintenance Recommendations

• Inspect the fitting regularly for wear, corrosion, or physical damage.
• Verify hose clamps remain properly tightened.
• Check all threaded connections for leaks.
• Replace damaged hoses or fittings immediately.
• Keep inlet plumbing free from restrictions and debris.
• Inspect pump inlet connections during routine equipment maintenance.