Four Seasons 66870 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Manifold A/C Hose Assembly

The Four Seasons Manifold A/C Refrigerant Discharge and Suction Hose Assembly (Part Number 66870) is designed for reliable HVAC system performance in Ford and Mazda trucks. This assembly is compatible with Ford B3000, F-100 Ranger, and Mazda Ranger models, providing a direct replacement for worn or damaged A/C hoses.

• Constructed with durable aluminum and rubber materials
• Compatible with R134-a refrigerant systems
• Includes green O-rings and spring seals for secure connections
• Features male and female springlock discharge and suction ends
• Equipped with a service port and muffler for system efficiency
• OEM replacement part ensuring proper fit and function

Four Seasons Manifold Product Line Details

The Manifold product line by Four Seasons focuses on integrated HVAC hose assemblies that combine discharge and suction lines with manifold blocks. This design simplifies installation and maintenance by providing a pre-assembled unit that includes essential components such as O-rings, gaskets, and mufflers. The 66870 part number is part of this line, offering a comprehensive solution for A/C system repairs on select Ford and Mazda trucks.

Product Features and Specifications

This A/C refrigerant hose assembly is constructed from aluminum and rubber to withstand the pressures and temperatures typical in automotive HVAC systems. It is designed specifically for R134-a refrigerant, the standard for many modern vehicles. The assembly includes three green O-rings (part number 24649) and one spring O-ring (part number 24222) to ensure leak-free connections. The discharge end uses a male springlock fitting, while the suction end features a female springlock fitting, both designed for secure and quick connections. Additionally, the assembly comes with a service port and a muffler to reduce noise and facilitate system servicing. Note that the assembly does not include a bracket or a switch, but it does have a switch service port for compatibility with vehicle systems.

Applications and Common Issues Addressed

• Replacement of leaking or damaged A/C refrigerant hoses in Ford B3000, F-100 Ranger, and Mazda Ranger
• Restoring proper refrigerant flow and pressure in the HVAC system
• Eliminating A/C system noise with the included muffler
• Preventing refrigerant leaks with included O-rings and gaskets
• Facilitating maintenance with the integrated service port

Installation Notes and Tips

When installing the Four Seasons Manifold A/C Hose Assembly 66870, ensure the vehicle is compatible by verifying the make and model. Use proper tools to connect the male and female springlock fittings securely. Replace all O-rings and gaskets included in the kit to maintain a leak-free seal. The assembly does not include a mounting bracket, so reuse the existing bracket or secure the assembly appropriately. The service port allows for easy refrigerant charging and system diagnostics. Always follow vehicle manufacturer guidelines for refrigerant handling and system pressure testing.

Quality Assurance and Warranty

Four Seasons provides this manifold hose assembly as an OEM replacement part, meeting or exceeding original equipment specifications. The inclusion of all necessary seals and gaskets supports long-term reliability. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.