PARKER Hydraulic Quick Connect Hose Coupling: 3/8 in Coupling Size, Steel
The PARKER ISO B Series Hydraulic Quick-Connect Coupling Plug (MPN H3-63) is a steel-bodied coupling with a 3/8" coupling size and 3/8"-18 thread, rated for a maximum flow rate of 23 lpm and featuring a nitrile seal…
SKU 3G-OTH-456489
Need installation or engineering help?
Ask a question
Product Description
The PARKER ISO B Series Hydraulic Quick-Connect Coupling Plug (MPN H3-63) is a steel-bodied coupling with a 3/8" coupling size and 3/8"-18 thread, rated for a maximum flow rate of 23 lpm and featuring a nitrile seal. 3G Electric interprets this demand and delivers genuine PARKER couplings across 14 industrial departments, with specialist depth in pumps and controls as an authorised distributor.
Frequently Asked Questions
What is the PARKER H3-63 hydraulic quick connect coupling used for?
The PARKER H3-63 is an ISO B Series hydraulic quick-connect coupling plug used to connect and disconnect hydraulic lines quickly without tools. It is commonly applied in industrial hydraulic systems, mobile equipment, and fluid power circuits requiring a reliable, leak-resistant connection at up to 23 lpm flow.
What are the specifications of the PARKER H3-63 coupling?
The PARKER H3-63 coupling has a 3/8 in coupling size with 3/8"-18 threads, a steel body, and a nitrile seal. It is rated for a maximum flow rate of 23 lpm. The manufacturer part number is H3-63, and it is part of the ISO B Series hydraulic quick-connect coupling plug family.
Where to buy PARKER H3-63 hydraulic couplings worldwide?
3G Electric supplies genuine PARKER H3-63 hydraulic quick connect couplings worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source and deliver this coupling across 14 industrial departments, including specialist expertise in pumps and controls.
How to select the correct PARKER hydraulic quick connect coupling?
To select the correct PARKER coupling, match the coupling size, thread size, and seal material to your system's requirements. For the H3-63, verify a 3/8 in coupling size, 3/8"-18 threads, and nitrile seal compatibility with your hydraulic fluid. Confirm maximum flow rate of 23 lpm meets your circuit demands.
Used in
Common applications for PARKERPARKER Products
3G Electric supplies PARKER iso b series hydraulic quick-connect coupling plugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









