FCI Ball Bearing Pressure Washer Swivel – 1/4" MPT x 1/4" FPT, 3500 PSI

Part Number: 3489
Category: Pressure Washer Parts → Swivels & Fittings
Type: FCI Ball Bearing Pressure Washer Swivel – 1/4" MPT x 1/4" FPT, 3500 PSI

The FCI Ball Bearing Pressure Washer Swivel (Part #3489) is a premium high-pressure inline swivel designed to improve hose flexibility and extend hose life in professional pressure washing, self-service car wash, industrial cleaning, and high-pressure fluid transfer applications. Featuring a precision ball bearing design, this swivel rotates effortlessly under full operating pressure, helping eliminate hose twisting, kinking, and operator fatigue.

Key Features & Benefits

• Premium FCI ball bearing pressure washer swivel
• Part Number: 3489
• 1/4" Male NPT inlet
• 1/4" Female NPT outlet
• Precision ball bearing design for smooth rotation
• Rotates freely under full operating pressure
• Rated for systems up to 3,500 PSI
• Solid brass body construction
• Precision stainless steel thrust bearings
• Polished 303 stainless steel spoolpiece
• Internally lubricated O-ring sealing system
• Fully rebuildable design
• Internal components can be replaced in minutes
• Helps prevent hose twisting and crimping
• Can be used as a 90° boom swivel in certain applications
• Significantly extends hose service life

Technical Specifications

Part Number: 3489

Product Type: Ball Bearing Pressure Washer Swivel

Inlet Connection: 1/4" Male NPT

Outlet Connection: 1/4" Female NPT

Maximum Working Pressure: 3,500 PSI

Body Material: Solid Brass

Spoolpiece Material: Polished 303 Stainless Steel

Bearing Type: Precision Stainless Steel Thrust Bearings

Seal Type: Internally Lubricated O-Rings

Swivel Rotation: 360°

Rebuildable: Yes

Compatible Applications

Suitable for use with:

• Commercial pressure washers
• Self-service car wash bays
• Pressure washer spray guns
• Spray wands and lances
• Boom down-hoses
• Hose reels
• High-pressure hose assemblies
• Industrial cleaning equipment
• Fleet washing systems
• Agricultural cleaning equipment
• High-pressure fluid transfer systems

Always verify thread size, pressure rating, and equipment compatibility before ordering.

Function of the Swivel

The FCI Ball Bearing Pressure Washer Swivel helps:

• Provide smooth 360° rotation under pressure
• Prevent hose twisting, kinking, and crimping
• Extend hose service life by reducing stress
• Improve spray wand maneuverability
• Maintain uninterrupted high-pressure water flow
• Reduce operator fatigue during extended use
• Provide reliable long-term operation with rebuildable internal components

Its precision ball bearing and stainless steel thrust bearing design allows effortless rotation even at full rated operating pressure.

Common Signs Replacement or Rebuild Is Needed

Replace or rebuild the swivel if you notice:

• Water leaking around the swivel body
• Restricted or rough swivel movement
• Excessive hose twisting
• Damaged or worn threads
• Worn internal O-rings
• Excessive rotational play
• Reduced swivel performance under pressure

Routine rebuilding can restore smooth operation and significantly extend the swivel's service life.

Installation & Service Notes

Turn off the pressure washer and relieve all system pressure before installation.

Apply an appropriate thread sealant to the 1/4" Male NPT inlet if required and connect the swivel to the compatible pressure washer component.

Attach the hose or accessory to the 1/4" Female NPT outlet, tightening all fittings securely without overtightening.

Verify the swivel rotates freely and inspect all connections for leaks before placing the equipment into service.

Important: Never exceed the maximum 3,500 PSI working pressure. This swivel is fully rebuildable, allowing worn internal components to be replaced quickly for extended service life.

Maintenance Recommendations

• Inspect the swivel regularly for smooth rotation and leaks.
• Rebuild the swivel when seals or bearings begin to wear.
• Keep the swivel clean and free of dirt and mineral buildup.
• Inspect threaded connections during routine maintenance.
• Replace worn O-rings and internal components promptly.
• Use genuine replacement parts to maintain proper fit, reliable performance, and long-term service life.