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

3G Electric
RFQ CartGet a QuoteSign inSign up
PARKER Compression Fitting Adapter: 1/2 in OD x 3/8 in Pipe size, 3/8-18 Thread Size - Flareless Bite-Type Stainless Steel Compression Fittings
PARKERFlareless Bite-Type Stainless Steel Compression Fittings

PARKER Compression Fitting Adapter: 1/2 in OD x 3/8 in Pipe size, 3/8-18 Thread Size

The PARKER Ferulok Compression Fitting Adapter (MPN 8 GBU-SS) is a flareless bite-type stainless steel compression fitting with a 1/2 in OD x 3/8 in pipe size and a 3/8-18 thread size. This adapter is part of the…

SKU 3G-OTH-478818

Brand
PARKER
Item
Compression Fitting Adapter: 1/2 in OD x 3/8 in Pipe size, 3/8-18 Thread Size
Category
Flareless Bite-Type Stainless Steel Compression Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

PARKER
Manufacturer Part Number
8 GBU-SS
Series
Ferulok
Type
Ferulok
Thread Size
3/8-18
View Full Spec Sheet

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 8 GBU-SS) is a flareless bite-type stainless steel compression fitting with a 1/2 in OD x 3/8 in pipe size and a 3/8-18 thread size. This adapter is part of the Ferulok series, designed for reliable metal-to-metal sealing in high-pressure fluid systems.

Frequently Asked Questions

What is a PARKER Ferulok compression fitting adapter used for?

The PARKER Ferulok compression fitting adapter (8 GBU-SS) is used in high-pressure fluid systems to connect tubing of 1/2 in OD to a 3/8 in pipe port. Its flareless bite-type design creates a reliable metal-to-metal seal, making it suitable for hydraulic, pneumatic, and instrumentation applications.

What are the specifications of the PARKER 8 GBU-SS adapter?

The PARKER 8 GBU-SS is a Ferulok series flareless bite-type stainless steel compression fitting adapter. It has a 1/2 in OD tube size, 3/8 in pipe size, and a 3/8-18 thread size. The manufacturer part number is 8 GBU-SS, and it is designed for high-pressure fluid systems.

Where to buy PARKER Ferulok fittings in worldwide?

3G Electric supplies PARKER Ferulok fittings like the 8 GBU-SS adapter to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this flareless bite-type stainless steel compression fitting.

How to install a PARKER Ferulok compression fitting?

To install a PARKER Ferulok fitting, insert the tube into the adapter until it bottoms out, then tighten the nut to the manufacturer's recommended torque. The bite-type ferrule grips the tube for a metal-to-metal seal. Always follow standard hydraulic fitting installation practices for leak-free performance.

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 →
PARKER Compression Fitting Elbow: 3/4 in OD x 3/4 in OD size, 1 1/16-12 x 1-1/16-12 Thread Size (MPN 12 EBU-SS). Key specifications — Series: Ferulok; Brand: PARKER.
PARKER
PARKER Compression Fitting Elbow: 3/4 in OD x 3/4 in OD size, 1 1/16-12 x 1-1/16-12 Thread Size (MPN 12 EBU-SS). Key specifications — Series: Ferulok; Brand: PARKER.
PARKER Compression Fitting Adapter: 3/8 in OD x 1/4 in Pipe size, 1/4-18 Thread Size, Ferulok (MPN 6 GBU-SS). Key specifications — Series: Ferulok; Brand: PARKER.
PARKER
PARKER Compression Fitting Adapter: 3/8 in OD x 1/4 in Pipe size, 1/4-18 Thread Size, Ferulok (MPN 6 GBU-SS). Key specifications — Series: Ferulok; Brand: PARKER.
PARKER Compression Tee Fitting: 1/4 in OD x 1/4 in OD x 1/8 in Pipe size, Stainless Steel, Ferulok (MPN 4 SBU-SS). Key specifications — Series: Ferulok; Brand: PARKER.
PARKER
PARKER Compression Tee Fitting: 1/4 in OD x 1/4 in OD x 1/8 in Pipe size, Stainless Steel, Ferulok (MPN 4 SBU-SS). Key specifications — Series: Ferulok; Brand: PARKER.
PARKER Compression Fitting Adapter: 3/8 in OD x 3/8 in Pipe size, 9/16-18 Thread Size, Ferulok (MPN 6 F5BU-SS). Key specifications — Series: Ferulok; Brand: PARKER.
PARKER
PARKER Compression Fitting Adapter: 3/8 in OD x 3/8 in Pipe size, 9/16-18 Thread Size, Ferulok (MPN 6 F5BU-SS). Key specifications — Series: Ferulok; Brand: PARKER.
PARKER Compression Fitting Nut: 1/2 in OD size, 3/4"-16 Thread Size, Compression, Stainless Steel (MPN 8 BU-SS). Key specifications — Series: Ferulok; Brand: PARKER.
PARKER
PARKER Compression Fitting Nut: 1/2 in OD size, 3/4"-16 Thread Size, Compression, Stainless Steel (MPN 8 BU-SS). Key specifications — Series: Ferulok; Brand: PARKER.
PARKER Compression Fitting Adapter: 1/4 in OD x 1/4 in Pipe size, 9/16-18 Thread Size, Ferulok (MPN 4-6 F5BU-SS). Key specifications — Series: Ferulok; Brand: PARKER.
PARKER
PARKER Compression Fitting Adapter: 1/4 in OD x 1/4 in Pipe size, 9/16-18 Thread Size, Ferulok (MPN 4-6 F5BU-SS). Key specifications — Series: Ferulok; Brand: PARKER.
PARKER Compression Fitting Elbow: 1/4 in OD x 1/4 in OD size, 7/16-20 x 7/16-20 Thread Size, Ferulok (MPN 4 EBU-SS). Key specifications — Series: Ferulok; Brand: PARKER.
PARKER
PARKER Compression Fitting Elbow: 1/4 in OD x 1/4 in OD size, 7/16-20 x 7/16-20 Thread Size, Ferulok (MPN 4 EBU-SS). Key specifications — Series: Ferulok; Brand: PARKER.
PARKER Compression Fitting Union: 5/16 in OD x 5/16 in OD size, 9/16-18 x 9/16-18 Thread Size (MPN 5 HBU-SS). Key specifications — Series: Ferulok; Brand: PARKER.
PARKER
PARKER Compression Fitting Union: 5/16 in OD x 5/16 in OD size, 9/16-18 x 9/16-18 Thread Size (MPN 5 HBU-SS). Key specifications — Series: Ferulok; Brand: PARKER.