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ST Series High Flow ISO A ISO B

ST Series High Flow Hydraulic Quick Couplers & Plugs

When it comes to finding the best, high quality high flow quick disconnect couplers, there’s no better place to look than Hose & Fitting Supply. ST series adapters allow maximum flow with a low pressure drop and are ideal for applications that involve high pressure water such as steam washers and carpet cleaners.

Whether you’re looking for ST plugs or couplers, we’ve got high flow quick disconnect fittings in a large range of sizes. Pick from stainless steel or steel and get it shipped straight to your door!


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Applications: Construction equipment,forestry equipment,agricultural machinery,oil tools,steel mail machinery,and other demanding hydraulic applications.

Interchanges with:

  • Parker 6600 Series
  • Snap-Tite 61 Series
  • Aeroquip 5600 Series


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    Applications: construction equipment,forestry equipment,agricultural machinery,oil tools,steel mail machinery,and other demanding hydraulic applications.

    Interchanges with:

  • Parker 60 Series
  • Snap-Tite 72 Series
  • Aeroquip FD45 Series
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    ISO 5675- AG Interchange Flush Face/ Skid-Steer Wet Line Couplings

    Pioneer ISO 5675 Couplers

    Hose and Fitting Supply has the ISO 5675 hose couplers you need for your tractors and agricultural equipment. ISO 5675 hydraulic couplers meet the international standard used for quick disconnects on modern tractor hydraulic systems. Our ISO 5675 ag fittings interchange with Parker 4000, Safeway S20, Faster NS and Tomco PC Series connectors.

    We offer hydraulic quick connect ISO 5675 connectors as paired sets, and as separate couplers and plugs for repairing worn or damaged fittings. Both types of connectors are available in ¼, 3/8, ½, and ¾ inch sizes. We also have replacements for Pioneer coupler plugs to keep dust and dirt out of your fittings.


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    Flushface Hydraulic Quick Disconnects ISO 16028, Socket Recommended for skid steer loaders and other applications where you need to reduce leaks and spills.
    Interchanges with:
    Parker FEM Series
    Faster FF Series
    Holmbury Series A
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    Wet Line Couplings and Kits

    Wet line couplings are a type of hydraulic hose quick disconnect designed for ease of use in high-intensity environments. You’ll often find hydraulic hose wet line quick disconnects in industrial applications, such as oil rig equipment, in a lot of machinery and vehicles found in construction sites and in commercial vehicles like semi tractor trailers, debris removal vehicles and more. Hose and Fitting Supply offers key components for a wet line coupling: plugs, couplers and sets.

    Our wet line couplings are compatible or interchangeable with Parker 6100 Series, Snap-Tite, 78 Series, Dixon W Series, Aeroquip/Eaton 5100 Series, Hanson 96 Series, Faster FB Series and Safeway S51 Series.

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    10,000 PSI High Pressure Quick Disconnects

    High Pressure Screw-to-connect Enerpac Coupling, 10,000psi(Carbon Steel) Ball Type, ISO 14540

    Designed for extremely high pressure (up to 10,000 psi) hydraulic jack service. Threaded sleeve allows connection and disconnection while the coupler and/or nipple are under pressure. Urethane seal resists extrusion under high pressure during connection and disconnection.

    Interchanges with:

  • Enerpac C-604 (3/8" only)
  • Parker 3000 Series
  • Stucchi IVHP Series
  • Holmbury PSB Series
  • Hansen WA56000 Series
  • Safeway S30 Series
  • Faster PVVM Series
  • Dixon T Series
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    Shop Hydraulic Quick Disconnect Fittings

    We offer a wide selection of hydraulic couplings and quick hydraulic hose fittings, with each subcategory easily accessible at the top of the page. You'll find we carry ISO A quick disconnects (7241 sockets), plugs and sets that are interchangeable with Parker (6600 series), Snap-Tite (61 series) and Aeroquip (5600 series) units. ISO B quick disconnect 7241 sockets, plugs and sets are also interchangeable with Parker, Aeroquip and Snap-Tite parts. You'll also find an ISO B 7241 set made from brass. Applications for these ISO A & B couplings include use with construction equipment, in the forestry service, steel mill machinery, agricultural equipment and more. Other options include ISO 5675 plugs, couplers and sets, interchangeable with Tomco (PC series), Faster (NS series), Safeway (S20 series) and Parker (4000 series); and Flush Face ISO 16028 plugs, sockets and sets recommended for skid steer loaders, grapple type hydraulic quick disconnect sets, Wet Line Couplings and High-pressure Disconnects. Shop our selection of quick disconnect fittings for hoses today!

    Disconnects for a Variety of Hydraulic Hose Types

    We offer couplings and quick disconnects for virtually any application. Our inventory includes the most popular types of hydraulic quick disconnects:

    • ISO-A
    • ISO-B
    • AG Interchange
    • Flush Face / Skid Steer
    • Wet Line
    • 10,000psi Thread to Connect

    For more information on our hydraulic quick disconnects simply select the name or image of an item to get customer reviews, product details, enlarged images and more.

    Save More on Hydraulic Hose Fittings and Quick Disconnects

    One of our top goals is to help our customers save more on hydraulic hose fittings and quick disconnects. Right now you can get discounted rates on orders of $100 or more as well as daily deals. Look for other great buys in the wholesale and sale sections of the site.