Brass Adapter 3/8" FPT x 1/4" MPT – OEM Replacement Fitting
Part Number: 2108
Category: Pressure Washer Parts → Fittings & Adapters → Brass Adapters
Type: Brass Reducer Adapter
The Brass Adapter 3/8" FPT x 1/4" MPT (Part #2108) is a durable OEM replacement fitting designed to connect components with different thread sizes in pressure washer systems, pumps, plumbing assemblies, pneumatic equipment, and industrial fluid transfer applications. Featuring a 3/8-inch Female Pipe Thread (FPT) connection and a 1/4-inch Male Pipe Thread (MPT) connection, this adapter provides a secure and leak-resistant transition between fittings, hoses, valves, gauges, and other threaded components.
Key Features & Benefits
- Genuine OEM replacement fitting
- 3/8" FPT x 1/4" MPT configuration
- Durable brass construction
- Corrosion-resistant material
- Leak-resistant threaded connections
- Compact and space-saving design
- Connects components with different thread sizes
- Suitable for pressure, fluid, and air systems
- Long service life and reliable performance
- Easy installation and maintenance
- Ideal for repairs, upgrades, and custom assemblies
Technical Specifications
Part Number: 2108
Product Type: Reducer Adapter
Connection Size I: 3/8" FPT
Connection Size II: 1/4" MPT
Thread Type: Female Pipe Thread (FPT) x Male Pipe Thread (MPT)
Material: Brass
OEM Replacement: Yes
Application: Thread Adaptation and Fluid System Connections
Common Applications
- Pressure washer systems
- Pump assemblies
- Pressure gauge installations
- Water supply systems
- Pneumatic and compressed air systems
- Chemical application equipment
- Industrial fluid transfer systems
- Agricultural equipment
- Wash-down systems
- Plumbing and maintenance applications
Performance Benefits
- Provides secure thread size adaptation
- Supports system modifications and upgrades
- Leak-resistant threaded connections
- Corrosion-resistant for long service life
- Durable construction for demanding environments
- Improves installation flexibility
- Simplifies component compatibility
- Supports efficient fluid and air flow
Signs Replacement May Be Needed
Replace the adapter if you notice:
- Damaged or stripped threads
- Visible corrosion or deterioration
- Fluid or air leaks
- Cracked fitting body
- Loose connections
- Difficulty maintaining 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.
- Install the adapter and tighten securely.
- Avoid overtightening to prevent thread damage.
- Connect mating components according to specifications.
- Pressurize the system and inspect for leaks.
Important: Verify compatibility with your system's thread sizes, pressure requirements, and application before installation.
Maintenance Recommendations
- Inspect threaded fittings regularly for leaks.
- Check connections during routine maintenance.
- Replace damaged or worn adapters promptly.
- Keep threads clean and free from debris.
- Verify proper sealing after servicing.
- Avoid overtightening during installation and maintenance.
