When selecting end fittings for hydraulic hoses, reliability and compatibility matter most. This guide highlights five robust options designed to fit common Weatherhead U-Series and Dayco systems, offering strong crimp connections, corrosion resistance, and wide temperature ranges. Each product below includes a brief overview of its features and typical applications to help you choose the right end fittings for your hydraulic setup.
| Product | Brand | Connection Type | Size |
|---|---|---|---|
| 12Pack 3/8″ Hose x 3/8″ NPTF Male | Zinger | 3/8″ NPTF Male | 3/8″ |
| 12PK 1/2″ Hydraulic Hose x 1/2″ JIC 37° | Zinger | 1/2″ JIC 37° Female | 1/2″ |
| Racewill 12 Pack 1/4″ I.D. Hose x 3/8″ JIC 37° | Racewill | 3/8″ JIC 37° Female | 1/4″ I.D. |
| QWORK 12-Pack 3/8″ JIC 37° | QWORK | 3/8″ JIC 37° Female | 3/8″ |
| AKM 12-Pack 3/8″ NPTF Male | AKM | 3/8″ NPTF Male | 3/8″ |
12Pack 3/8″ NPTF End Fittings (Zinger)

Heavy Duty Construction: This 3/8″ NPTF hydraulic hose fitting is crafted from high-quality carbon steel. It is designed for hydraulic systems using petroleum fluids and other industrial applications. Compatible with Weatherhead U-Series, Dayco, or other adjustable crimpers. These end fittings suit crimping and repair tasks in service bays and field work alike.
12PK 1/2″ JIC 37° End Fittings (Zinger)

Heavy Duty Construction: The 1/2″ JIC 37° flare hydraulic hose fitting is made of carbon steel and is designed for hydraulic systems with petroleum fluids. Compatible with Weatherhead U-Series, Dayco, or other adjustable crimpers, making it a versatile choice for power systems and industrial applications.
Racewill 12 Pack 1/4″ I.D. Fittings (JIC 37°)

Seamless Compatibility: Crimp hose fittings designed for easy connection with 1/4″ I.D. hoses. Features a 3/8″ female JIC 37° swivel end for fluid power systems. The fittings have a permanent crimp design to prevent leaks, and their straight shape improves connection stability across loads and temperatures.
QWORK 12-Pack 3/8″ JIC 37° End Fittings

High-Performance Material: Carbon steel construction offers durability for hydraulic systems handling petroleum fluids. The 3/8″ JIC 37° female end swivel crimp design ensures a secure, leak-proof connection, suitable for both small repairs and larger installations.
AKM 12-Pack 3/8″ NPTF End Fittings

High strength, corrosion resistant coated steel provides durability and precise fit for 3/8″ I.D. hoses with a 3/8″ NPTF male pipe end. Designed to match standard hydraulic hose specifications for a wide range of fluid power systems and industrial applications.
Buying Guide
Key considerations when choosing end fittings for hydraulic hoses:
- Connection type: Ensure compatibility with hose ID, such as NPTF, JIC 37°, or other standard fittings.
- Material and coating: Carbon steel with corrosion-resistant coatings extends service life in harsh environments.
- Temperature and fluid compatibility: Confirm the fitting can handle the operating temperature and fluids in your system, including petroleum-based oils.
- Crimp method: Verify your hose assembly requires a crimping machine and that the fittings are designed for permanent crimp connections to prevent leaks.
- System compatibility: Check that the fittings are compatible with your existing crimpers and with Weatherhead U-Series or Dayco systems where applicable.
- Quantity and budgeting: Bulk packs offer cost efficiency for ongoing maintenance and repair tasks.
In selecting end fittings, prioritize those with proven durability, sector-appropriate certifications, and clear compatibility with your hose sizes. For field service, consider fittings that maintain a tight seal under vibration and temperature fluctuations. For shop settings, versatility across multiple hose sizes and quick interchangeability can reduce downtime. Always follow manufacturer guidelines and use the recommended crimping equipment to ensure reliable performance.