Best Adapter Hydraulic Fittings in 2026

SUPERIOR PERFORMANCE: AquaAulos hydraulic fittings are made to the highest standards, with our JIC cap and plug kit meeting or exceeding SAE J514 conventions. These industrial heavy-duty JIC fittings are made from premium carbon steel galvanized with robust and long-lasting zinc, which prevents rust, corrosion, and degradation, even with extended use. Over time these fittings are exposed to hose fluid, so this durability is essential. You can trust our products like any leading brands, such as Parker, Eaton Aeroquip, or Gates, as they have been rigorously tested and meet the industry standards for pressure, temperature, and material strength!

PRECISION-ENGINEERED: We understand the importance of heavy-duty craftsmanship, which is exactly what we strive for in every piece in this kit. Our state-of-the-art CNC machine provides ultra-precise production, ensuring that the caps and plugs are made with fine-tolerance thread with good sealing for easy, repeated installation and removal. This extra attention to the manufacturing process enhances the adapter's performance. It provides customers with a competitive advantage through less downtime and extended equipment life, leading to increased revenues and reduced warranty costs.

AVOID COSTLY DOWNTIME: The perfect caps and plugs kit for the mechanic in you. These JIC kits seal and protect the ends of hydraulic hose and tube fittings to prevent hydraulic liquids from leaking onto the ground or into your or your client's machine. While you perform preventive maintenance, it also stops contaminants such as dirt, dust, moisture, and sand from entering and damaging your machine's sensitive and expensive parts, such as Pumps Motors, Valves, and Cylinders.

They create an effective means of connecting hydraulic hoses to control valves cylinders and other stationary components.

Use to properly plumb hydraulic system for longer hose service life

Hydraulic adapters are key components in any hydraulic system.

Male -3 AN to 2 x -3AN Flare (JIC -3, 3/8x24 thread) with Tab T Pipe Tee Block Hose Fitting Adapter

Material: SUS304 Stainless Steel

Works with -3AN TEFLON PTFE Brake and Clutch Hose / Line, Design For Drift / Hydraulic Hand Brake application

MATERIAL --- Premium forged brass 90-degree street elbow, thicker and stronger, durable, threads are deep and clear, high corrosion resistance, low magnetic permeability and high temperature ductility. Quantity: 4pieces 1/4 to 1/4 npt equal diameter brass elbow adapters.

SIZE --- 1/4 NPT Male to 1/4 NPT Female brass elbow. PLEASE NOTE, Brass pipe elbow is the USA NPT standard thread, with 60 degree taper; NPT Size only used as thread size code, so please measure and determine the required size before purchasing, and compare with the size chart.

FUNCTION --- Used to connect a 1/4 NPT male-ended and a 1/4 NPT female-ended pipe at right angle. Apply to plumbing connections, compressed air, hydraulic, refrigeration, instrumentation, gas and other applications.

64 FITTINGS---This 64-pc. JIC hydraulic cap and plug kit gives you plenty of fittings in the 6 most commonly needed dash sizes: -04, -06, -08, -10, -12, and -16

SUPERIOR QUALITY---Our hydraulic fittings are made from 45# structural steel to withstand high heat and pressure and galvanized to resist corrosion in even punishing environments

EASY TO USE---These JIC caps and plugs have precision-engineered standard threading to install smoothly, seal your hoses, tubes, and pipes hermetically, and come off cleanly

【NPT THREADS】: American National Pipe Taper (NPT) threads, 1/2" NPT male pipe x 1/2" NPT female pipe, 4-pack

【PREMIUM MATERIAL】: High grade solid brass, strong and wear resistant, more durable than iron and iron galvanized pipe fittings, solid brass can withstand up to 100 °C (212 °F)

【DURABLE】: Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability; meets specifications ASTM B584 and ASME/ANSI B16 for quality assurance

【SIZE & NPT THREADS TYPE】: Size: 3/8" NPT x 3/8" NPT Male Threads, OD: 0.65 Inch, ID: 0.44 Inch, Length: 1.18 inch; Note: This hex nipple are NPT threads type, not compression threads, Compression and NPT are two different thread types, Please check if the size fits your needs before your purchase.

【FIRM】: Brass for corrosion resistance, hightemperature ductility and low magneticpermeability, solid brass can withstand up to 100 °C(212 °F); Note: Brass fittings are notallowed by federal law to be installed for potablewater use in the U.S.A. and its territories

【DURABLE】: SUNGATOR selects high quality solidbrass with a longer service life, firm and durable, thishex nipple is not a cast product, meets specifications ASTM B584 and ASME/ANSI B16 for quality assurance

✅ SPECIFICATION - Standard brass pipe fitting 3/8" NPT female to 3/8" NPT female coupling adapter for connecting two male threaded pipes with the same diameter in a straight run.

✅ MATERIAL - This pipe coupler is made of high quality durable brass for corrosion resistance, high temperature ductility and low magnetic permeability. Can be used in wet environments; it can also be used with grease, fuels and natural gas, refrigeration, instrumentation and hydraulic systems in low and medium pressure pipe line connections.

✅ EASY INSTALLATION - The deep threads design makes fittings bite better, engaged with the object to enhance fixation, no leaking, not easy to slip. Easier and faster installation.

Hex bushing for connecting two pipes with different diameters

Size: Standard 3/8 inch NPT male to 1/4 inch NPT female.

Heavy-duty brass construction with rust proof, Easy to connect.

★ 【Material】: Made of premium solid brass with a longer service life, stronger and more durable than iron and iron galvanized pipe fittings.

★ 【Advantage】: The positive nature of the connection with the flare on the tube clamped between the nut and the body makes for extreme dependability and safety.

★ 【Application】: LP and natural gas, flammable liquids (special order), instrumental, refrigeration. power steering, hydraulic and pneumatic systems.Not for use in potable Drinking water applications.

Reducing adapter allows for connecting and extending different size pipes or fittings, can be used with grease, fuels, LP and natural gas, refrigeration, instrumentation and hydraulic systems in low and medium pressure pipe line connections as well as air tools

1/4" Male National Pipe Taper (NPT) threads on one end and 3/8" female NPT threads on the other for connecting pipes with different ends

Legines pipe fittings are made of CA360 or CA377 brass, not ordinary copper alloy, and meet SAE standard, have dryseal threads, forgings & extruded.

🔧[ Product Type ] —— Barbed Hose Fitting(1/2"Hose Barb x 1/2"Female NPT) ,for industry connecting pipes or fittings with different end types, diameters, or materials.NPT thread size is not the actual diameter, it is only the nominal pipe size.

🔧[ Product Material ] —— High quality solid brass, firm and durable, brass is corrosion resistant. This pipe fitting can apply to water, air, gas, oil and fuel.

🔧[ Hose ​Clamp ] —— Worm Gear Hose Clamp with 8mm width adjustable stainless steel band. The extended band liner to protect the hose from damage caused by extrusion. Connection fasteners for water, oil, gas, hydraulic hose.

Connections: 1/4" Hose Barb x 1/4" Hose Barb x 1/4" Hose Barb.

1/4” Barbed fitting has three openings for connecting your 1/4” ID hoses. Can be easily connected to the hose.

Working temperatures range: -40 to 160 F.

Adapter for connecting pipes or fittings of different types

Connects to a hose on both ends

Sanitary 90 degree elbow hose barb pipe fitting for a tight seal on hoses when used with a hose clamp (not included)

For use with rubber hoses: Barb: 1/4" Barb For Rubber, Plastic, TPU, or other hose

Ferrule Size: 50.5mm, and fits 1.5" Tri-clamp

Made of stainless steel 304 for resistance to corrosion and high temperatures

64 PCS hydraulic JIC cap & plug fittings kit,AN assortment hydraulic fitting set,also known as "AN" 37 degree flare JIC caps and plugs. The JIC 37° flare thread cap & plug can be easily installation to seal hydraulic hoses, tubes, and pipes

A must have for hydraulic lines: hydraulic JIC plug and cap cap kit works great for hydraulic repairs.The JIC cap and plug are sealed quickly keep hydraulics lines from fluid leaking when remove fluids hydraulic application/machinery work/ truck/chemical processing systems

The hydraulic adapter fittings set are made by carbon steel to withstand high pressure applications and high heat fuel delivery and fluid power applications. The jic cap and plug kit fittings have precision threading to make sure install smoothly and resist corrosion

★ 【Material】: Made of premium solid brass with a longer service life, stronger and more durable than iron and iron galvanized pipe fittings.

★ 【Firm And Durable】: Litorange Brass for corrosion resistance, high temperature ductility and low magnetic permeability.

★ 【Application】: LP and natural gas, flammable liquids (special order), instrumental, refrigeration. power steering, hydraulic and pneumatic systems.Not for use in potable Drinking water applications.

[PRODUCT PARAMETER]:3 LOOPS,Heat can be transmitted 30-45 square meters.1" NPT supply and return shut-off ball valves,SUS 304 stainless steel cold forming, corrosion resistance, no rust, better sealing, more precise control, the main tube is not demagnetized as a whole, longer life than demagnetization tubes, and higher hardness.

[VISUAL FLOW METER]:The water inlet branch is equipped with a visual flow meter type shut-off valve, which can accurately adjust the water flow of each channel and prevent the branch from grabbing water. Just open the red cap and turn the red base to adjust the water volume of each channel to 0-5 liters/min. Effectively ensure the hydraulic balance of each road.

[AUTO EXHAUST VALVE]:Automatic exhaust valve, in a continuous automatic manner, Eliminates the air inside when the system is filled with water and during operation.A hygroscopic vent cap prevents accidental drips.

Note the thread size: flare connector threads are UNF threads, which are straight threads, not taper NPT threads.flare thread size is a Nominal Pipe size,does not actual diameter,5/8" actual thread diameter is 7/8 inch.please confirm the size before purchase

Uses: flare coupler can be used in natural gas, refrigeration, hydraulic, etc., can be used with copper, aluminum, plastic pipes

Easy to install: flare accessories are easy to connect without soldering.

Adapter fitting to connect two tubes with different end types

Tube connection on one end and male NPTF connection on the other

Stainless steel 316 for higher strength and greater corrosion resistance than stainless steel 304

Material: Nickel Plated Brass

Fitting Ends: Female to Female Luer

Package Quantity: 2

64 PCS JIC 37° flare thread hydraulic caps and plugs kit,also known as "AN" 37 degree flare JIC caps and plugs.The JIC 37° flare thread cap & plug can be easily installation

The hydraulic jic plug and cap kit widely used in agriculture, contruction,mining and fuel industries for high pressure fuel delivery and fluid power applications,seal hoses, tubes, and pipes

A must have for hydraulic lines: JIC hydraulic cap and plug kit works great for hydraulic repairs.The JIC caps and plugs are sealed quickly keep hydraulics lines from fluid leaking when remove fluids hydraulic application/machinery work/ truck/chemical processing systems

[Size]: 1/2" NPT male x 1/2" JIC male.

[Quality Materials]: The NPT Male to JIC Male adapter is made of high quality 304 stainless steel, which is durable, stable, rust and corrosive resistance and good for long time using.

[Precise Design]: NPT x JIC adapter can be used for connecting and extending female threaded pipes.

Material:Ss 304

Color: As The Picture Shown

Size: M10 x 1.00mm Double Diagonal Banjo Bolt

Package Includes: These hydraulic fittings are includes 128pcs JIC and ORFS hydraulic cap and plug, fittings in the 6 most commonly needed dash sizes: 64pcs. JIC kit - #4 (7/16-20), #6 (9/16-18), #8 (3/4-16), #10 (7/8-14), #12 (1 1/16-12), #16 (1 5/16-12) and 64pcs ORFS kit - #4 (9/16-18), #6 (11/16-16), #8 (13/16-16), #10 (1-14), #12 (1 3/16-12), #16 (1 7/16-12).

Precision Engineered Threading: Thanks to our precise CNC machine that can provide the ultimate precision for our JIC and ORFS caps and plugs set, ensuring easy sealing and repeated installation and removal. With high strength galvanized from 45# structural steel material can withstand high-pressure applications and high heat fuel delivery and fluid power applications, providing a longer and more durable lifespan.

Save Time & Energy: Not only these JIC and ORFS caps and plugs set can effectively seal and quickly keep hydraulics lines from fluid leaking when removing fluids from hydraulic application/machinery work/ truck/chemical processing systems, but also used commonly in fluid power and fuel delivery applications. The flat face connection design makes it Reusable and easily maintainable, used to cap lines and hoses when working on hydraulis, to keep dirt out, and to keep fluid from leaking out.

Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability

Relative softness of brass threading when compared to other metals allows for a tight seal

Barbed shank provides secure connection to hose

【PACKAGE CONTENTS】1Pc LS fuel filter/58psi regulator, 1Pc 6AN 25 feet of high-pressure fuel injection hose, 1Pc 6AN to 3/8" Male Straight Filter Fittings, 1Pc 6AN to 5/16" Fuel Filter Return Line Fitting, 2Pcs 6AN to 3/8" Fuel Filter Feed Line Fittings, 2Pcs -6AN to 1/4" NPT Fuel Pump Adapters, 2Pcs 45 Degree -6AN Female to 3/8" Push Lock hose fittings, 6Pcs straight -6AN Female to 3/8" Push Lock hose fittings

【HIGH QUALITY】The Fuel Hose made of Premium Quality NBR Rubber; The hose end AN fittings is made of high strength Aluminum , polished and anodized surface provide the bright appearance, corrosion protection and strong strength.

【APPLICATION】Mostly used in LS system and can be worked with petrol, diesel, oil, hydraulic fluid, pump gas, alcohol, E85 hose, coolant, fuel. Used this on a LS swap, make it easier for the plumbing of fuel system to run all the way from your fuel tank to the engine.

MATERIAL: It can apply to water, oil and fuel, LP and natural gas, and be used to connect various pipes as well as air tools. Coupling for connecting two pipes with the same diameter in a straight run

FUNCTION: 1/4" female x 1/4" female NPT threads equal diameter hex nipple for connecting two female threaded pipes with same diameters. Or Extending the pipe length. Hard-connected, it does not need extra sealing for most situation.

FEATURES: Forged brass fittings, corrosion resistance, ductility at high temperatures, and low magnetic permeability. Operating temperatures range from -53 to 121℃ (-65 to 250 ℉).

【Quality Material】: Made of 304 Stainless Steel; Highly resistant to corrosion.Perfect for adding an oil pressure sensor and oil temp gauge to your engine.

【1/8 NPT Thread】Inlet Thread: 1/8” NPT Male; Outlet Thread: 1/8" NPT Female; Center Tap Thread: 1/8” NPT Outlet Female.the 1/8" NPT Oil Pressure Sensor Tee to NPT Adapter Turbo Supply Feed Line Gauge is a simple yet essential component for anyone who wants to accurately monitor the oil pressure in their engine or turbo system

【Dimensions】: Length: 2.0"; Body Length 1.5".Outside Hex Width: 3/4" End.

Color: Golden; Material: Brass; Thread: G1/2 Male x M14*1.5 Male; Hole Dia: 8mmx14mm/0.31x0.55inch(ID*OD), suitable for connecting 8mm(OD) copper pipe; Total Size: 39x30x21mm/1.54x1.18x0.83inch(L*W); Packing List: 2 x Brass Pipe Tube Adapter

Advantage:The tube coupler is made of brass, it is durable and reusable.; tube fitting comes with brass connector, brass sleeve, and nuts in one set, which allows you to connect pipe easily.

Instruction:1. Insert the copper pipe with the corresponding diameter into the brass nut, and slide the brass sleeve up to the nut on its threaded side. ; 2. Put the tubing into the connector, and install and fix the pipe to the brass connector with a spanner.