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Hydraulic fittings are crucial components for any hydraulic system, ensuring secure and leak-free connections. Selecting the correct fittings prevents costly downtime, potential safety hazards, and premature system failure. This guide will help you navigate the options and make an informed decision for your automotive needs.
Seamless Compatibility: Crimp hose fittings are designed for easy connection with 3/8" I.D. hydraulic hoses. These fittings have a 3/8" female JIC 37-degree swivel end, ideal for fluid power systems and hydraulic applications.
Versatile Application: Hydraulic hose end fittings are suitable for use with a wide range of industrial fluids, including petroleum-based fluids, gasoline, fuel, and lubricating oils.
Secure Connections: Hydraulic fittings have a permanent crimp design, requiring a crimping machine to connect a hose and fitting securely to prevent leaks. The straight shape of the fitting further improves connection stability.
Sturdy Durable: Our fittings made from premium carbon steel, are durable and can endure temperatures from -65°F to 500°F, making them ideal for various environments.
Compatibility: Compatible with Weatherhead, Dayco, or adjustable crimpers, interchanges with Weatherhead U-Series; fit for 3/8" I.D. hydraulic hose, 3/8" JIC female 90° end.
Durable Materials: Made of high strength carbon steel, retains the strength and rigidity of the base steel, provides reliable protection for hydraulic connections.
Leak Prevention: With a secure fit for hydraulic ports and connections, it effectively prevents fluid leaks during maintenance procedures or transport.
Application: Perfect for fluid power systems and other hydraulic systems, effectively preventing leaks and pressure loss. Any questions, please feel free to contact us anytime.
These caps and plugs are mainly for use in blocking off hoses and fittings, but with additional seals, the male plugs can be used to block off the female ports. They are something that will always be needs so that you can quickly stop a leak from getting...
JIC (37° Flare) caps and plugs kit comes housed in an extreme-duty waterproof plastic case. It features 72 carefully selected, high-quality caps and plugs covering an extensive range of repair solutions in sizes -4 (1/4”), to -16 (1”).
Meet or exceed SAE standards for hydraulic applications. And the precision-engineered standard threading to install smoothly, seal your hoses, tubes, and pipes hermetically.
Structural steel to withstand high heat&pressure and galvanized to anti-rust and anti-corrosion in even punishing environments. This makes the fittings suitable as aerospace adapters, in chemical processing plants, agriculture, trucks, and more.
Seamless Compatibility: Crimp hose fittings are designed for easy connection with 1/4" I.D. hydraulic hoses. These fittings have a 1/4" female JIC 37-degree swivel end, ideal for fluid power systems and hydraulic applications.
Versatile Application: Hydraulic hose end fittings are suitable for use with a wide range of industrial fluids, including petroleum-based fluids, gasoline, fuel, and lubricating oils.
Secure Connections: Hydraulic fittings have a permanent crimp design, requiring a crimping machine to connect a hose and fitting securely to prevent leaks. The straight shape of the fitting further improves connection stability.
Sturdy Durable: Our fittings made from premium carbon steel, are durable and can endure temperatures from -65°F to 500°F, making them ideal for various environments.
Seamless Compatibility: Crimp hose fittings are designed for easy connection with 3/8" I.D. hydraulic hoses. These fittings have a 3/8" NPTF external thread end, ideal for fluid power systems and hydraulic applications.
Versatile Application: Hydraulic fittings are made of premium carbon steel, can endure temperatures from -65°F to 500°F, suitable for use with industrial fluids, including petroleum-based fluids, gasoline, fuel, and lubricating oils.
Secure Connections: 3/8" NPTF male fittings have a permanent crimp design, requiring a crimping machine to connect a hose and fitting securely to prevent leaks. The straight shape of the fitting further improves connection stability.
Essential for Hydraulic Systems: Hydraulic end repair kits connect hoses to various components in a hydraulic system, compatible with U-Series wire braid hoses.
Compatibility: Compatible with Weatherhead, Dayco, or adjustable crimpers, interchanges with Weatherhead U-Series; fit for 1/2" I.D. hydraulic hose, 1/2" JIC female 90° end.
Durable Materials: Made of high strength carbon steel, retains the strength and rigidity of the base steel, provides reliable protection for hydraulic connections.
Leak Prevention: With a secure fit for hydraulic ports and connections, it effectively prevents fluid leaks during maintenance procedures or transport.
Application: Perfect for fluid power systems and other hydraulic systems, effectively preventing leaks and pressure loss. Any questions, please feel free to contact us anytime.
[GALVANIZED STEEL MATERIAL] Durable,it maintains reliability in terms of corrosion, rust and oxidation resistance even in harsh outdoor environments
[STANDARD SAE&Metric SIZES] Various sizes including 1/4", 1/8", M6, M8 and M10 straight, 45 degree, 90 degree, these straight and angled grease gun fittings meets your needs for different applications
[CONVENIENT USE] No disassembly required!The grease nipple quickly connects the grease gun to the interior of the machine and provides lubrication, effectively improving work efficiency
[STURDY STORAGE CASE] Grease zerk kit comes with well-designed label, each size is separated by thick partitions and placed in different compartments.It makes storage and portability easy, preventing it from becoming cluttered or loss
Seamless Compatibility: Crimp hose fittings are designed for easy connection with 3/8" I.D. hydraulic hoses. These fittings have a 1/2" female JIC 37-degree swivel end, ideal for fluid power systems and hydraulic applications.
Versatile Application: Hydraulic fittings are made of premium carbon steel, can endure temperatures from -65°F to 500°F, suitable for use with industrial fluids, including petroleum-based fluids, gasoline, fuel, and lubricating oils.
Secure Connection: Hydraulic end repair kits have a permanent crimp design, requiring a crimping machine to connect a hose and fitting securely to prevent leaks. The straight shape of the fitting further improves connection stability.
Essential for Hydraulic Systems: Female hose end fittings connect hoses to various components in a hydraulic system. They control the flow of hydraulic fluid, maintain pressure and prevent leakage.
Seamless Compatibility: 3/8" JIC male hydraulic crimp fittings are designed for easy connection with 3/8" I.D. hydraulic hoses, compatible with U-Series wire braid hoses.
Long Service Life: 3/8" JIC male hydraulic connector are made from premium carbon steel, and can endure temperatures from -65°F to 500°F, making them ideal for various environments.
Prevent Leakage: JIC 37 ° male end provides precise metal to metal sealing, connecting hoses to various components in hydraulic system, controlling the flow of hydraulic oil, maintaining pressure.
Secure Connection: Hydraulic end repair kits have a permanent crimp design, requiring a crimping machine to connect a hose and fitting securely to prevent leaks. The straight shape of the fitting further improves connection stability.
Extensive Variety: With sizes #4, #6, #8, #10, #12, and #16, this kit is equipped to handle any hydraulic task, making it an essential addition to your toolkit.
Exceptional Compatibility: Engineered to integrate seamlessly with a broad spectrum of hydraulic equipment, ensuring reliable performance across different systems.
Built to Last: Made from high-quality carbon steel and galvanized with zinc, our caps and plugs are designed to resist rust and corrosion, providing long-lasting durability and performance.
Exceeds Standards: Gomjet’s hydraulic cap and plug kit surpasses ordinary hydraulic standards, ensuring that you receive the highest level of quality and reliability for your hydraulic maintenance and repair needs.
Last update on 2026-10-07 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Hydraulic Fittings
Understanding Hydraulic Fitting Types
Hydraulic fittings connect hoses, pipes, and other components in a hydraulic system. Common types include:
JIC (Joint Industry Council): Features a 37-degree flare seat, offering excellent vibration resistance. Widely used in industrial and mobile hydraulics.
ORFS (O-Ring Face Seal): Provides a robust, leak-resistant seal using an O-ring compressed against a flat face. Ideal for high-pressure applications.
NPT (National Pipe Taper): A tapered thread that seals by wedging action. Common in general plumbing but can be prone to leaks in high-vibration environments.
SAE (Society of Automotive Engineers): Includes various standards, such as SAE J514 (similar to JIC) and SAE J1453 (O-ring face seal).
Material Considerations
The material of the fitting impacts its durability, corrosion resistance, and compatibility with hydraulic fluids.
Steel: Offers high strength and is cost-effective, suitable for most general applications. Often zinc-plated for corrosion resistance.
Stainless Steel: Provides superior corrosion resistance, making it ideal for harsh environments or systems carrying corrosive fluids.
Brass: Offers good corrosion resistance and is non-sparking, but generally less strong than steel.
Size and Thread Standards
Ensuring correct sizing and thread compatibility is paramount. Fittings are typically specified by tube outer diameter (OD) and thread size. Always verify the thread pitch and type (e.g., male/female, straight/tapered) to match your existing system components. Common thread sizes include dash sizes for JIC and NPT pipe thread dimensions.
Frequently Asked Questions
What is the difference between JIC and ORFS fittings?
JIC fittings use a 37-degree flare for sealing, offering good vibration resistance. ORFS fittings use an O-ring compressed against a flat face, providing a superior, leak-proof seal, especially under high pressure and vibration.
Can I mix different types of hydraulic fittings?
Generally, it is not recommended to mix different fitting types. Mismatched fittings can lead to leaks, poor sealing, and potential system damage. Always use compatible fittings for reliable performance.
How do I determine the correct fitting size?
Fitting size is typically determined by the outer diameter (OD) of the hose or tubing it connects, often expressed in 'dash sizes' (e.g., -8). You also need to match the thread size and type precisely.
What is the best material for hydraulic fittings?
The best material depends on the application. Steel is common for general use due to its strength and cost. Stainless steel is preferred for corrosive environments, while brass is suitable for non-sparking requirements.
Are NPT fittings suitable for high-pressure hydraulic systems?
While NPT fittings are widely used, they are generally less preferred for high-pressure, high-vibration hydraulic systems compared to JIC or ORFS fittings. Their tapered threads can be more prone to loosening and leaks over time.
How do I ensure a leak-free connection?
Ensure the fitting surfaces are clean and free of debris. Tighten the fitting to the manufacturer's recommended torque specification. For ORFS fittings, verify the O-ring is properly seated and undamaged before assembly.
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