Parker71 Series Hydraulic Quick-Connect Coupling Bodies

Parker Hydraulic Quick Connect Hose Coupling: 1/4 in Coupling Size, Steel, Nitrile

The PARKER 71 Series Hydraulic Quick-Connect Coupling Body (MPN 71-3C4-4EF) is a steel-bodied coupling with a 1/4 in coupling size and a female UNF thread. It features a nitrile seal material. This product is a…

SKU 3G-OTH-454000

Brand

Parker

Item

Hydraulic Quick Connect Hose Coupling: 1/4 in Coupling Size, Steel, Nitrile

Technical Specifications

Parker

Manufacturer Part Number

71-3C4-4EF 

Type

Steel, Nitrile, Female UNF 

Body Material

Steel 

Seal Material

Nitrile 

View Full Spec Sheet

Technical Documents

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Parker Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the PARKER 71 Series hydraulic quick-connect coupling body used for?

The PARKER 71 Series coupling body (MPN 71-3C4-4EF) is used in hydraulic systems to enable quick, leak-free connection and disconnection of hoses. It is commonly applied in industrial machinery, mobile equipment, and fluid power systems where reliable sealing and easy maintenance are required.

What are the specifications of the PARKER 71-3C4-4EF coupling?

The PARKER 71-3C4-4EF is a steel-bodied hydraulic quick-connect coupling body with a 1/4 in coupling size and a female UNF thread. It uses a nitrile seal material. This component is part of the Parker 71 Series, designed for hydraulic hose connections.

Where to buy PARKER hydraulic quick-connect couplings worldwide?

3G Electric supplies PARKER hydraulic quick-connect couplings, including the 71 Series, to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this genuine Parker component.

How to select the correct Parker quick-connect coupling body?

To select the correct Parker quick-connect coupling body, match the coupling size, thread type (e.g., female UNF), and seal material (e.g., nitrile) to your hydraulic system's requirements. Verify the working pressure and temperature range from Parker's technical data. 3G Electric can help confirm compatibility.

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 71 series hydraulic quick-connect coupling bodies. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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