Four Seasons 66680 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66680

The Four Seasons Hose Assembly 66680 is designed specifically for the Mazda CX-9 HVAC system. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow with durable aluminum and rubber construction, making it a precise replacement for your vehicle's original part.

• Constructed from aluminum and rubber for durability and flexibility
• Equipped with P-nut fittings on both ends for secure connections
• Compatible with R134a refrigerant systems
• Includes gasket and fittings for a complete installation
• Designed as a low-pressure suction line without a service or switch port
• OEM replacement part ensuring proper fit and function
• Includes two green O-rings (part number 24681) for sealing

Detailed Product Description

This Four Seasons Hose Assembly from the Hose Assembly product line is engineered to meet the specific HVAC requirements of the Mazda CX-9. The part number 66680 identifies this A/C refrigerant suction hose, which is constructed with a combination of aluminum and rubber materials to withstand the demands of low-pressure refrigerant flow. Both ends feature P-nut fittings, providing a secure and leak-resistant connection to the vehicle’s air conditioning system. The hose is designed for use with R134a refrigerant and includes all necessary fittings and gaskets, including two green O-rings (part number 24681), to ensure a proper seal during installation. This assembly does not include a service port, switch port, bracket, or muffler, reflecting its role as a straightforward suction line replacement.

Applications and Common Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses in Mazda CX-9 models
• Resolving refrigerant leaks caused by cracked or deteriorated hose material
• Restoring proper low-pressure refrigerant flow for efficient air conditioning performance
• Eliminating connection leaks due to faulty or missing fittings and seals
• Addressing HVAC system failures related to suction line damage or wear

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66680, ensure the vehicle is depressurized and the refrigerant properly recovered before removal. Verify that the P-nut fittings are clean and free of debris to prevent leaks. Replace the included green O-rings (part number 24681) to maintain a secure seal. Tighten fittings to manufacturer torque specifications and inspect the hose routing to avoid contact with moving parts or heat sources. This hose assembly is designed as a direct OEM replacement, simplifying installation on the Mazda CX-9 HVAC system.

Quality Assurance and Warranty

Four Seasons products, including the Hose Assembly line, are manufactured to meet or exceed OEM standards for fit, form, and function. The 66680 hose assembly is an exact replacement part, ensuring compatibility and reliability. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. For detailed warranty information, consult the product packaging or manufacturer resources.