Steel Bushing 1/2" MPT x 3/8" FPT 3000 PSI – OEM Replacement Fitting
Part Number: 2578
Category: Pressure Washer Parts → Fittings & Adapters → Steel Bushings
Type: Steel Reducer Bushing
The Steel Bushing 1/2" MPT x 3/8" FPT (Part #2578) is a heavy-duty OEM replacement fitting designed to reduce thread sizes while maintaining secure, leak-resistant connections in pressure washer systems, pumps, hydraulic support equipment, compressed air systems, and industrial fluid transfer applications. Featuring a 1/2-inch Male Pipe Thread (MPT) exterior connection and a 3/8-inch Female Pipe Thread (FPT) interior connection, this reducer bushing allows larger threaded ports to accept smaller fittings, valves, gauges, regulators, and system accessories without requiring extensive modifications.
Key Features & Benefits
- Genuine OEM replacement fitting
- 1/2" MPT x 3/8" FPT reducing configuration
- Heavy-duty steel construction
- Rated up to 3000 PSI
- Leak-resistant threaded connections
- Reduces larger ports to smaller thread sizes
- Compact and space-saving design
- Suitable for high-pressure applications
- Durable construction for demanding environments
- Long service life and dependable performance
- Ideal for repairs, upgrades, and custom assemblies
Technical Specifications
Part Number: 2578
Product Type: Reducer Bushing
Connection Size I: 1/2" MPT
Connection Size II: 3/8" FPT
Thread Type: Male Pipe Thread (MPT) x Female Pipe Thread (FPT)
Material: Steel
Maximum Pressure: 3000 PSI
OEM Replacement: Yes
Application: Thread Size Reduction and Component Adaptation
Common Applications
- Pressure washer systems
- Pump manifolds
- Pressure gauge installations
- Hydraulic support systems
- Compressed air systems
- Industrial fluid transfer equipment
- Chemical application equipment
- Water supply systems
- Agricultural equipment
- Wash-down systems
- Commercial cleaning equipment
Performance Benefits
- Adapts larger ports to smaller threaded components
- Supports high-pressure system operation
- Durable steel construction for demanding environments
- Leak-resistant threaded connections
- Simplifies equipment modifications and repairs
- Allows installation of gauges, valves, and accessories
- Reliable performance under pressure
- Long-lasting service life
Signs Replacement May Be Needed
Replace the bushing if you notice:
- Damaged or stripped threads
- Fluid or air leaks
- Visible corrosion or rust
- Cracks or deformation in the fitting body
- Loose component connections
- Difficulty achieving a proper seal
- Excessive wear from repeated installation
Installation Notes
- Shut off system pressure before servicing.
- Inspect all mating threads for wear or damage.
- Apply appropriate thread sealant or PTFE thread tape.
- Thread the bushing into the larger port by hand.
- Tighten securely using the appropriate wrench.
- Install the mating 3/8" threaded component.
- Pressurize the system and inspect for leaks.
Important: Verify compatibility with your system's thread sizes and operating pressure requirements before installation. Always ensure the fitting's pressure rating meets or exceeds system operating pressure.
Maintenance Recommendations
- Inspect threaded fittings regularly for leaks.
- Check for corrosion or physical damage during maintenance.
- Replace damaged or worn bushings promptly.
- Keep threads clean and free from debris.
- Verify proper sealing after servicing.
- Monitor fitting integrity during operation.
