Four Seasons 66747 A/C Refrigerant Discharge Hose

Overview of Four Seasons Hose Assembly 66747

The Four Seasons Hose Assembly 66747 is designed specifically for the Mazda Miata's HVAC system. This A/C refrigerant discharge hose ensures reliable performance by using durable aluminum and rubber materials, compatible with R134-a refrigerant.

• Constructed from aluminum and rubber for durability and flexibility
• Compatible with R134-a refrigerant systems
• Includes gasket and fittings for secure installation
• O-ring set included with two green O-rings (part number 24666)
• Designed as an OE replacement discharge line without a service port or muffler
• Features a P-nut fitting suction end for proper connection

Detailed Product Description

The Four Seasons Hose Assembly 66747 belongs to the Hose Assembly product line, which focuses on providing high-quality hose assemblies for automotive HVAC systems. This particular discharge hose is engineered to meet original equipment specifications, ensuring compatibility and performance for the Mazda Miata. The combination of aluminum and rubber materials offers resistance to wear and heat, essential for handling refrigerant discharge under pressure. The included gasket and fittings simplify installation, while the two green O-rings (part number 24666) help maintain a secure, leak-free seal. This hose assembly does not include a service port, muffler, bracket, or switch, aligning with the original equipment design.

Applications and Common Issues Addressed

• Replacement of worn or damaged A/C refrigerant discharge hoses on Mazda Miata models
• Resolving refrigerant leaks caused by cracked or deteriorated hoses
• Restoring proper refrigerant flow in the A/C system to improve cooling efficiency
• Eliminating rattling or noise from failing discharge lines without mufflers
• Ensuring secure connections with included fittings and O-rings to prevent system contamination

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66747, ensure the system is fully depressurized and evacuated before removal of the old hose. Use the included gasket and fittings to secure the hose assembly properly, and replace the O-rings with the provided green O-rings (part number 24666) to maintain a tight seal. The P-nut fitting suction end requires careful tightening to avoid leaks. Since this hose assembly does not include a service port or bracket, verify compatibility with your vehicle’s existing mounting points and service ports.

Quality Assurance and Warranty

Four Seasons manufactures the Hose Assembly 66747 to meet or exceed original equipment standards for the Mazda Miata. This part is an OE replacement designed for durability and reliable performance in automotive HVAC systems. 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.