Four Seasons 66677 A/C Refrigerant Discharge Hose

Overview of Four Seasons Hose Assembly 66677

The Four Seasons Hose Assembly 66677 is designed specifically for Mazda vehicles requiring a reliable A/C refrigerant discharge hose. Engineered with durable aluminum and rubber materials, this hose assembly supports high-pressure R134a refrigerant systems, ensuring efficient air conditioning performance.

• Constructed from aluminum and rubber for durability and flexibility
• Compatible with R134a refrigerant systems
• Includes gasket and fittings for secure installation
• Equipped with a 16 mm high-side service port
• Designed as an OE replacement for Mazda models

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on delivering precise HVAC hose and pipe components that meet original equipment specifications. This line includes various hose assemblies tailored for refrigerant discharge and suction lines, providing reliable performance and fitment. The 66677 part is part of this line, offering a high-pressure discharge line solution without a switch or muffler, but with included fittings and gaskets for a complete replacement.

Product Features and Specifications

This A/C refrigerant discharge hose is designed to handle high system pressures typical in automotive air conditioning systems using R134a refrigerant. It features a P-nut fitting on the suction end and includes two green O-rings (part number 24661) to ensure a tight seal. The hose assembly comes with one service port on the high-pressure side, sized at 16 mm, facilitating maintenance and refrigerant charging. Notably, this hose assembly does not include a switch or bracket, focusing on essential components for direct replacement.

Compatible Vehicles and Applications

• Compatible with select Mazda models requiring an A/C refrigerant discharge hose
• Serves as a direct OE replacement part number 66677
• Ideal for vehicles using R134a refrigerant in their HVAC systems

Common Issues Addressed by This Hose Assembly

• Leaking or damaged A/C refrigerant discharge lines
• Loss of system pressure causing reduced cooling efficiency
• Worn or missing seals leading to refrigerant leaks
• Corroded or cracked hose components affecting system integrity
• Need for reliable OE replacement parts for HVAC repairs

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66677, ensure the system is fully depressurized and evacuated before removal of the old hose. Use the included green O-rings to maintain a proper seal and prevent leaks. Verify the service port size and location to match your vehicle’s requirements. Since this assembly does not include a bracket or switch, reuse existing mounting hardware and switches if applicable. Proper torque specifications should be followed to avoid damage to fittings.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an OE replacement part, manufactured to meet or exceed original equipment standards. The inclusion of all necessary fittings and seals supports a reliable installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.