Four Seasons 66679 A/C Refrigerant Discharge Hose

Overview of Four Seasons Hose Assembly 66679

The Four Seasons Hose Assembly 66679 is designed specifically for the Mazda CX-9 HVAC system. This A/C refrigerant discharge hose is engineered to handle high-pressure R134a refrigerant, ensuring reliable performance in your vehicle's air conditioning system.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a refrigerant type
• Includes gasket and fittings for secure installation
• Designed as a high-pressure discharge line without a service port or switch
• Equipped with green O-rings (part number 24661) for proper sealing
• OEM replacement part for Mazda CX-9

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing reliable hose assemblies for automotive HVAC systems. These assemblies are designed to meet or exceed OEM specifications, offering a direct replacement solution. The 66679 hose assembly fits within this line, providing a high-pressure discharge line that integrates essential components such as fittings and gaskets, but excludes brackets, mufflers, and service ports to match specific vehicle requirements.

Product Description and Features

This A/C refrigerant discharge hose is constructed from a combination of aluminum and rubber, providing durability and flexibility needed for the Mazda CX-9's HVAC system. It is designed to handle high system pressures associated with R134a refrigerant, ensuring safe and efficient refrigerant flow. The hose assembly includes two green O-rings (part number 24661) to maintain a tight seal and prevent leaks. It features a P-nut fitting on the suction end and comes without a switch or service port, aligning with the original equipment design. The included gasket and fittings simplify installation and ensure compatibility with the vehicle's existing components.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant discharge hoses in Mazda CX-9
• Resolution of refrigerant leaks caused by cracked or deteriorated hoses
• Restoration of proper high-pressure refrigerant flow in the HVAC system
• Elimination of poor A/C performance due to compromised discharge lines
• Prevention of contamination entering the system through faulty seals or fittings

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66679, ensure the vehicle is depressurized and the refrigerant is properly recovered. Verify that the green O-rings are correctly seated to prevent leaks. The hose assembly does not include a bracket or muffler, so use existing mounting points and hardware. Avoid overtightening fittings to maintain the integrity of the aluminum and rubber materials. This part is designed as a direct OEM replacement, so no modifications should be necessary for the Mazda CX-9.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet OEM standards, providing reliable performance and durability. The 66679 hose assembly is an exact replacement part for the Mazda CX-9, ensuring compatibility and fitment. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Always consult product documentation or the manufacturer for complete warranty information.