Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

PARKER Ferulok Flareless Bite-Type Stainless Steel Compression - Flareless Bite-Type Stainless Steel Compression Fittings
PARKERFlareless Bite-Type Stainless Steel Compression Fittings

PARKER Ferulok Flareless Bite-Type Stainless Steel Compression

The PARKER Ferulok Compression Fitting Adapter (MPN 4 GBU-SS) is a flareless bite-type stainless steel compression fitting with a 1/4 in OD x 1/8 in pipe size and 1/8-27 thread size. This adapter is part of the…

SKU 3G-OTH-478833

Also listed as: 4GBUSS · 4 GBU SS · 4-GBU-SS

Brand
PARKER
Item
Ferulok Flareless Bite-Type Stainless Steel Compression
Category
Flareless Bite-Type Stainless Steel Compression Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

PARKER
Manufacturer Part Number
4 GBU-SS
Series
Ferulok
Type
Ferulok
Thread Size
1/8-27

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

PARKER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PARKER Ferulok Compression Fitting Adapter (MPN 4 GBU-SS) is a flareless bite-type stainless steel compression fitting with a 1/4 in OD x 1/8 in pipe size and 1/8-27 thread size. This adapter is part of the Ferulok series, designed for reliable metal-to-metal sealing in high-pressure industrial fluid systems.

Frequently Asked Questions

What is the PARKER Ferulok Compression Fitting Adapter used for?

The PARKER Ferulok Compression Fitting Adapter (MPN 4 GBU-SS) is used to connect tubing to threaded ports in high-pressure industrial fluid systems. Its flareless bite-type design creates a reliable metal-to-metal seal, making it suitable for hydraulic, pneumatic, and instrumentation applications where leak-free performance is critical.

What are the specifications of the PARKER 4 GBU-SS adapter?

The PARKER 4 GBU-SS adapter is a Ferulok series flareless bite-type stainless steel compression fitting. It has a 1/4 in OD tube size, 1/8 in pipe size, and a 1/8-27 thread size. The manufacturer part number is 4 GBU-SS, and it is designed for high-pressure fluid systems requiring a durable metal-to-metal seal.

Where to buy PARKER Ferulok fittings in worldwide?

3G Electric supplies PARKER Ferulok fittings like the 4 GBU-SS adapter to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this genuine PARKER compression fitting adapter.

How to install a PARKER Ferulok compression fitting?

To install a PARKER Ferulok compression fitting, first cut tubing squarely and deburr the end. Slide the nut and ferrule onto the tube, then insert the tube into the fitting body until it seats. Tighten the nut by hand, then use a wrench to turn it the specified number of flats per PARKER instructions for a proper bite and seal.

Used in

Common applications for PARKER
Injection molding machine proportional directional control — Parker solenoid coils and proportional valve cartridges for mold-closing and hydraulic actuation circuits
Construction equipment hydraulic steering and boom control — Parker directional control valves with solenoid actuation for excavator and loader hydraulic systems
Industrial press forming systems — Parker pressure-relief and proportional directional valves for tonnage control and cycle sequencing
Material-handling conveyor systems — Parker proportional control valves with solenoid pilot stages for smooth load acceleration and deceleration
Tire-building machinery — Parker solenoid-actuated directional cartridges for synchronized multi-axis hydraulic positioning
Forestry and mobile equipment — Parker valve spools and solenoid assemblies rated for harsh-environment hydraulic circuits and mobile-duty pressure cycling

PARKER Products

3G Electric supplies PARKER flareless bite-type stainless steel compression fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from PARKER

View all PARKER parts
Stainless steel compression tee from the Ferulok series with a flareless bite-type design. Connects three 1/4 in OD tubes with a 1/4 in pipe thread. Used for branching in hydraulic, pneumatic, and instrumentation tubing systems
PARKER
Stainless steel compression tee from the Ferulok series with a flareless bite-type design. Connects three 1/4 in OD tubes with a 1/4 in pipe thread. Used for branching in hydraulic, pneumatic, and instrumentation tubing systems
This PARKER Ferulok union is a flareless bite-type stainless steel compression fitting for connecting two 1/8 in OD tubes. It features 5/16-24 x 5/16-24 threads and is designed for metal-to-metal sealing in industrial fluid systems, including hydraulic, pneumatic, and instrumentation applications
PARKER
This PARKER Ferulok union is a flareless bite-type stainless steel compression fitting for connecting two 1/8 in OD tubes. It features 5/16-24 x 5/16-24 threads and is designed for metal-to-metal sealing in industrial fluid systems, including hydraulic, pneumatic, and instrumentation applications
The PARKER 6 HBU-SS is a Ferulok-series flareless bite-type stainless steel compression fitting union. It connects two 3/8 in OD tubes with 9/16-18 x 9/16-18 threads, providing a metal-to-metal seal for high-pressure fluid systems. Suitable for hydraulic, pneumatic, and instrumentation applications
PARKER
The PARKER 6 HBU-SS is a Ferulok-series flareless bite-type stainless steel compression fitting union. It connects two 3/8 in OD tubes with 9/16-18 x 9/16-18 threads, providing a metal-to-metal seal for high-pressure fluid systems. Suitable for hydraulic, pneumatic, and instrumentation applications
This PARKER Ferulok series adapter is a stainless steel flareless bite-type compression fitting for connecting 3/8 in OD tubing to 3/8 in pipe threads with 3/8-18 thread size. It is used in industrial fluid systems for hydraulic, pneumatic, and instrumentation applications requiring leak-resistant tube connections
PARKER
This PARKER Ferulok series adapter is a stainless steel flareless bite-type compression fitting for connecting 3/8 in OD tubing to 3/8 in pipe threads with 3/8-18 thread size. It is used in industrial fluid systems for hydraulic, pneumatic, and instrumentation applications requiring leak-resistant tube connections
This PARKER Ferulok series compression tee is a flareless bite-type stainless steel fitting with a 7/16"-20 thread size. It is used to create branch connections in industrial fluid systems, joining three tubes of equal outer diameter in hydraulic or pneumatic lines
PARKER
This PARKER Ferulok series compression tee is a flareless bite-type stainless steel fitting with a 7/16"-20 thread size. It is used to create branch connections in industrial fluid systems, joining three tubes of equal outer diameter in hydraulic or pneumatic lines
This PARKER Ferulok series compression fitting is a flareless bite-type stainless steel adapter for connecting 3/8 in OD tubing to 3/8 in pipe threads. The 3/8-18 thread size and bite-type design provide secure, leak-resistant connections in hydraulic and pneumatic systems. Suitable for industrial applications requiring reliable tube fittings
PARKER
This PARKER Ferulok series compression fitting is a flareless bite-type stainless steel adapter for connecting 3/8 in OD tubing to 3/8 in pipe threads. The 3/8-18 thread size and bite-type design provide secure, leak-resistant connections in hydraulic and pneumatic systems. Suitable for industrial applications requiring reliable tube fittings
Stainless steel compression tee fitting from the Ferulok series, featuring a flareless bite-type design for leak-tight connections in high-pressure fluid systems. Suitable for joining three tube branches in hydraulic or pneumatic lines
PARKER
Stainless steel compression tee fitting from the Ferulok series, featuring a flareless bite-type design for leak-tight connections in high-pressure fluid systems. Suitable for joining three tube branches in hydraulic or pneumatic lines
Stainless steel compression fitting nut from the Ferulok series. Features a flareless bite-type design for metal-to-metal sealing without tube flaring. Thread size 1 1/16"-12. Used in hydraulic and pneumatic tubing systems for leak-proof connections
PARKER
Stainless steel compression fitting nut from the Ferulok series. Features a flareless bite-type design for metal-to-metal sealing without tube flaring. Thread size 1 1/16"-12. Used in hydraulic and pneumatic tubing systems for leak-proof connections