Four Seasons 66309 A/C Refrigerant Suction Hose - Rear

Overview of Four Seasons Hose Assembly 66309

The Four Seasons Hose Assembly 66309 is designed specifically for Audi Q5 and Q7 models, providing a reliable A/C refrigerant suction hose solution. Constructed with durable aluminum and rubber materials, this hose assembly ensures efficient low-pressure refrigerant flow for R134a systems.

• Material: Aluminum and rubber construction for durability and flexibility
• End fittings: P-nut fittings on both ends for secure connections
• Refrigerant compatibility: Designed for R134a refrigerant systems
• Includes gasket and fittings for proper sealing and installation
• OEM replacement part ensuring direct fit and function

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on delivering precise HVAC hose and pipe components tailored for specific vehicle applications. This line emphasizes quality materials and exact fitment, such as the 66309 suction hose designed for Audi vehicles, to maintain system integrity and performance without the need for modifications.

Detailed Product Description

The Four Seasons 66309 A/C refrigerant suction hose is engineered to handle low-pressure refrigerant flow within the HVAC system of Audi Q5 and Q7 models. Featuring p-nut fittings on both ends, it facilitates secure and leak-free connections. The hose assembly includes two green O-rings (part number 24681) and necessary fittings to ensure a proper seal. It does not include a service port, switch, bracket, or muffler, aligning with original equipment specifications. This part is a direct OEM replacement, designed to meet factory standards for fit and function.

Common Applications and Issues Addressed

• Replacement of worn or cracked suction hoses causing refrigerant leaks
• Restoring proper refrigerant flow in low-pressure A/C lines
• Resolving A/C system inefficiencies due to damaged or degraded hoses
• Eliminating hissing noises from suction line leaks
• Maintaining system pressure integrity in Audi Q5 and Q7 HVAC systems

Installation Notes and Tips

• Ensure system is fully depressurized before removal to avoid refrigerant exposure
• Use included gaskets and fittings to achieve a secure, leak-free connection
• Verify compatibility with Audi Q5 and Q7 models prior to installation
• Inspect O-rings for damage and replace if necessary during installation
• Follow manufacturer torque specifications for p-nut fittings

Quality Assurance and Warranty

Four Seasons Hose Assembly 66309 is manufactured to meet OEM standards, providing reliable performance and durability. This part is an exact replacement for the original suction line, ensuring compatibility and system integrity. Warranty coverage details should be confirmed with the product documentation or supplier.